AEI INCOME & GROWTH FUND XXI LTD PARTNERSHIP
10QSB, 1999-11-12
REAL ESTATE
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               SECURITIES AND EXCHANGE COMMISSION
                     Washington, D.C.  20549

                           FORM 10-QSB

           Quarterly Report Under Section 13 or 15(d)
             of The Securities Exchange Act of 1934

           For the Quarter Ended:  September 30, 1999

                Commission file number:  0-29274


           AEI INCOME & GROWTH FUND XXI LIMITED PARTNERSHIP
(Exact Name of Small Business Issuer as Specified in its Charter)


      State of Minnesota                   41-1789725
(State or other Jurisdiction of         (I.R.S. Employer
Incorporation or Organization)        Identification No.)


  1300 Minnesota World Trade Center, St. Paul, Minnesota 55101
            (Address of Principal Executive Offices)

                          (651) 227-7333
                   (Issuer's telephone number)


                         Not Applicable
 (Former name, former address and former fiscal year, if changed
                       since last report)

Check  whether  the issuer (1) filed all reports required  to  be
filed  by Section 13 or 15(d) of the Securities Exchange  Act  of
1934  during the preceding 12 months (or for such shorter  period
that  the registrant was required to file such reports), and  (2)
has  been  subject to such filing requirements for  the  past  90
days.

                          Yes  [X]    No

         Transitional Small Business Disclosure Format:

                          Yes         No  [X]




        AEI INCOME & GROWTH FUND XXI LIMITED PARTNERSHIP


                              INDEX




PART I. Financial Information

 Item 1. Balance Sheet as of September 30, 1999 and December 31, 1998

          Statements for the Periods ended September 30, 1999  and 1998:

           Income

           Cash Flows

           Changes in Partners' Capital

         Notes to Financial Statements

 Item 2. Management's Discussion and Analysis

PART II.Other Information

 Item 1. Legal Proceedings

 Item 2. Changes in Securities

 Item 3. Defaults Upon Senior Securities

 Item 4. Submission of Matters to a Vote of Security Holders

 Item 5. Other Information

 Item 6. Exhibits and Reports on Form 8-K

<PAGE>
        AEI INCOME & GROWTH FUND XXI LIMITED PARTNERSHIP

                          BALANCE SHEET

            SEPTEMBER 30, 1999 AND DECEMBER 31, 1998

                           (Unaudited)

                             ASSETS

                                                      1999            1998

CURRENT ASSETS:
  Cash and Cash Equivalents                       $   908,516     $   557,646
  Receivables                                               0          16,052
                                                   -----------     -----------
      Total Current Assets                            908,516         573,698
                                                   -----------     -----------
INVESTMENTS IN REAL ESTATE:
  Land                                              6,719,763       6,921,884
  Buildings and Equipment                          11,528,125      11,350,021
  Construction in Progress                                  0         289,014
  Property Acquisition Costs                                0          10,782
  Accumulated Depreciation                         (1,149,973)       (816,805)
                                                   -----------     -----------
      Net Investments in Real Estate               17,097,915      17,754,896
                                                   -----------     -----------
         Total Assets                             $18,006,431     $18,328,594
                                                   ===========     ===========


                        LIABILITIES AND PARTNERS' CAPITAL

CURRENT LIABILITIES:
  Payable to AEI Fund Management, Inc.            $    33,301     $    54,136
  Distributions Payable                               390,971         451,171
                                                   -----------     -----------
      Total Current Liabilities                       424,272         505,307
                                                   -----------     -----------
PARTNERS' CAPITAL (DEFICIT):
  General Partners                                    (33,364)        (30,953)
  Limited Partners, $1,000 Unit Value;
   24,000 Units authorized and issued;
   23,829 Units outstanding                        17,615,523      17,854,240
                                                   -----------     -----------
      Total Partners' Capital                      17,582,159      17,823,287
                                                   -----------     -----------
        Total Liabilities and Partners' Capital   $18,006,431     $18,328,594
                                                   ===========     ===========

 The accompanying Notes to Financial Statements are an integral
                     part of this statement.
</PAGE>
<PAGE>


        AEI INCOME & GROWTH FUND XXI LIMITED PARTNERSHIP

                       STATEMENT OF INCOME

               FOR THE PERIODS ENDED SEPTEMBER 30

                           (Unaudited)


                               Three Months Ended         Nine Months Ended
                             9/30/99        9/30/98    9/30/99        9/30/98

INCOME:
   Rent                     $ 465,581     $ 452,922   $1,420,395    $1,247,467
   Investment Income            7,444        14,374       14,045       140,616
                             ---------     ---------   ----------    ----------
        Total Income          473,025       467,296    1,434,440     1,388,083
                             ---------     ---------   ----------    ----------

EXPENSES:
   Partnership Administration -
     Affiliates                57,109        58,163      175,086       187,294
   Partnership Administration
     and Property Management -
     Unrelated Parties         22,472        30,853       66,748        94,495
   Depreciation               127,276       123,898      384,696       324,522
                             ---------     ---------   ----------    ----------
        Total Expenses        206,857       212,914      626,530       606,311
                             ---------     ---------   ----------    ----------

OPERATING INCOME              266,168       254,382      807,910       781,772

GAIN ON SALE OF REAL ESTATE   163,463        65,440      163,463       235,377
                             ---------     ---------   ----------    ----------
NET INCOME                  $ 429,631     $ 319,822   $  971,373    $1,017,149
                             =========     =========   ==========    ==========

NET INCOME ALLOCATED:
   General Partners         $   4,296     $   3,198   $    9,714    $   10,171
   Limited Partners           425,335       316,624      961,659     1,006,978
                             ---------     ---------   ----------    ----------
                            $ 429,631     $ 319,822   $  971,373    $1,017,149
                             =========     =========   ==========    ==========

NET INCOME PER
 LIMITED PARTNERSHIP UNIT
 (23,829 weighted average
 Units outstanding in 1999
 and 1998)                  $   17.85     $   13.29   $    40.36    $    42.26
                             =========     =========   ==========    ==========


 The accompanying Notes to Financial Statements are an integral
                     part of this statement.
</PAGE>
<PAGE>
        AEI INCOME & GROWTH FUND XXI LIMITED PARTNERSHIP

                     STATEMENT OF CASH FLOWS

               FOR THE PERIODS ENDED SEPTEMBER 30

                           (Unaudited)

                                                       1999          1998

CASH FLOWS FROM OPERATING ACTIVITIES:
   Net Income                                       $   971,373   $ 1,017,149

   Adjustments to Reconcile Net Income to Net Cash
   Provided by Operating Activities:
     Depreciation                                       384,696       324,522
     Gain on Sale of Real Estate                       (163,463)     (235,377)
     Decrease in Receivables                             16,052       159,343
     Decrease in Payable to
        AEI Fund Management, Inc.                       (20,835)      (33,175)
     Increase in Unearned Rent                                0        24,200
                                                     -----------   -----------
        Total Adjustments                               216,450       239,513
                                                     -----------   -----------
        Net Cash Provided By
        Operating Activities                          1,187,823     1,256,662
                                                     -----------   -----------

CASH FLOWS FROM INVESTING ACTIVITIES:
   Investments in Real Estate                          (221,884)   (2,475,090)
   Proceeds from Sale of Real Estate                    657,632       862,718
                                                     -----------   -----------
        Net Cash Used For
        Investing Activities                            435,748    (1,612,372)
                                                     -----------   -----------

CASH FLOWS FROM FINANCING ACTIVITIES:
   Increase (Decrease) in Distributions Payable         (60,200)      156,409
   Distributions to Partners                         (1,212,501)   (1,454,547)
                                                     -----------   -----------
        Net Cash Used For
         Financing Activities                        (1,272,701)   (1,298,138)
                                                     -----------   -----------
NET INCREASE (DECREASE) IN CASH
   AND CASH EQUIVALENTS                                 350,870    (1,653,848)

CASH AND CASH EQUIVALENTS, beginning of period          557,646     2,506,790
                                                     -----------   -----------
CASH AND CASH EQUIVALENTS, end of period            $   908,516   $   852,942
                                                     ===========   ===========

 The accompanying Notes to Financial Statements are an integral
                     part of this statement.
</PAGE>
<PAGE>

        AEI INCOME & GROWTH FUND XXI LIMITED PARTNERSHIP

            STATEMENT OF CHANGES IN PARTNERS' CAPITAL

               FOR THE PERIODS ENDED SEPTEMBER 30

                           (Unaudited)

                                                                    Limited
                                                                  Partnership
                             General      Limited                    Units
                             Partners     Partners      Total     Outstanding


BALANCE, December 31, 1997   $(24,706)  $18,472,657   $18,447,951    23,828.87

  Distributions               (14,546)   (1,440,001)   (1,454,547)

  Net Income                   10,171     1,006,978     1,017,149
                              --------   -----------   -----------  ----------
BALANCE, September 30, 1998  $(29,081)  $18,039,634   $18,010,553    23,828.87
                              ========   ===========   ===========  ==========


BALANCE, December 31, 1998   $(30,953)  $17,854,240   $17,823,287    23,828.87

  Distributions               (12,125)   (1,200,376)   (1,212,501)

  Net Income                    9,714       961,659       971,373
                              --------   -----------   -----------  ----------
BALANCE, September 30, 1999  $(33,364)  $17,615,523   $17,582,159    23,828.87
                              ========   ===========   ===========  ==========

 The accompanying Notes to Financial Statements are an integral
                     part of this statement.
</PAGE>
<PAGE>

        AEI INCOME & GROWTH FUND XXI LIMITED PARTNERSHIP

                  NOTES TO FINANCIAL STATEMENTS

                       SEPTEMBER 30, 1999

                           (Unaudited)


(1)  The  condensed  statements included herein have been  prepared
     by  the Partnership, without audit, pursuant to the rules  and
     regulations  of  the Securities and Exchange  Commission,  and
     reflect   all  adjustments  which  are,  in  the  opinion   of
     management,  necessary to a fair statement of the  results  of
     operations for the interim period, on a basis consistent  with
     the  annual audited statements.  The adjustments made to these
     condensed   statements  consist  only  of   normal   recurring
     adjustments.   Certain information, accounting  policies,  and
     footnote    disclosures   normally   included   in   financial
     statements  prepared  in  accordance with  generally  accepted
     accounting principles have been condensed or omitted  pursuant
     to  such  rules  and  regulations,  although  the  Partnership
     believes  that  the  disclosures  are  adequate  to  make  the
     information  presented not misleading.  It is  suggested  that
     these  condensed financial statements be read  in  conjunction
     with  the  financial statements and the summary of significant
     accounting  policies  and  notes  thereto  included   in   the
     Partnership's latest annual report on Form 10-KSB.

(2)  Organization -

     AEI   Income   &   Growth   Fund  XXI  Limited   Partnership
     (Partnership)  was  formed to acquire and  lease  commercial
     properties   to   operating  tenants.    The   Partnership's
     operations  are  managed by AEI Fund  Management  XXI,  Inc.
     (AFM),  the  Managing  General Partner of  the  Partnership.
     Robert  P.  Johnson, the President and sole  shareholder  of
     AFM,  serves  as  the  Individual  General  Partner  of  the
     Partnership.  An affiliate of AFM, AEI Fund Management, Inc.
     (AEI),  performs the administrative and operating  functions
     for the Partnership.

     The   terms   of  the  Partnership  offering  call   for   a
     subscription  price of $1,000 per Limited Partnership  Unit,
     payable   on  acceptance  of  the  offer.   The  Partnership
     commenced   operations  on  April  14,  1995  when   minimum
     subscriptions    of   1,500   Limited   Partnership    Units
     ($1,500,000)  were  accepted.   On  January  31,  1997,  the
     Partnership    offering   terminated   when   the    maximum
     subscription  limit  of  24,000  Limited  Partnership  Units
     ($24,000,000) was reached.

     Under  the  terms of the Limited Partnership Agreement,  the
     Limited  Partners and General Partners contributed funds  of
     $24,000,000 and $1,000, respectively.  During the  operation
     of the Partnership, any Net Cash Flow, as defined, which the
     General Partners determine to distribute will be distributed
     90% to the Limited Partners and 10% to the General Partners;
     provided,  however, that such distributions to  the  General
     Partners will be subordinated to the Limited Partners  first
     receiving an annual, noncumulative distribution of Net  Cash
     Flow equal to 10% of their Adjusted Capital Contribution, as
     defined,  and, provided further, that in no event  will  the
     General Partners receive less than 1% of such Net Cash  Flow
     per  annum.  Distributions to Limited Partners will be  made
     pro rata by Units.


        AEI INCOME & GROWTH FUND XXI LIMITED PARTNERSHIP

                  NOTES TO FINANCIAL STATEMENTS
                           (Continued)

(2)  Organization - (Continued)

     Any  Net  Proceeds  of Sale, as defined, from  the  sale  or
     financing of the Partnership's properties which the  General
     Partners determine to distribute will, after provisions  for
     debts  and  reserves, be paid in the following  manner:  (i)
     first,  99%  to the Limited Partners and 1% to  the  General
     Partners until the Limited Partners receive an amount  equal
     to:  (a)  their Adjusted Capital Contribution  plus  (b)  an
     amount  equal  to 10% of their Adjusted Capital Contribution
     per  annum, cumulative but not compounded, to the extent not
     previously  distributed  from  Net  Cash  Flow;   (ii)   any
     remaining  balance will be distributed 90%  to  the  Limited
     Partners and 10% to the General Partners.  Distributions  to
     the Limited Partners will be made pro rata by Units.

     For  tax  purposes,  profits  from  operations,  other  than
     profits  attributable  to  the  sale,  exchange,  financing,
     refinancing   or  other  disposition  of  the  Partnership's
     property,  will  be  allocated first in the  same  ratio  in
     which,  and  to the extent, Net Cash Flow is distributed  to
     the Partners for such year.  Any additional profits will  be
     allocated in the same ratio as the last dollar of  Net  Cash
     Flow  is  distributed.  Net losses from operations  will  be
     allocated 99% to the Limited Partners and 1% to the  General
     Partners.

     For  tax purposes, profits arising from the sale, financing,
     or  other disposition of the Partnership's property will  be
     allocated  in  accordance with the Partnership Agreement  as
     follows:  (i) first, to those partners with deficit balances
     in  their capital accounts in an amount equal to the sum  of
     such  deficit  balances; (ii) second,  99%  to  the  Limited
     Partners  and 1% to the General Partners until the aggregate
     balance in the Limited Partners' capital accounts equals the
     sum  of the Limited Partners' Adjusted Capital Contributions
     plus  an  amount  equal  to 10% of  their  Adjusted  Capital
     Contributions  per annum, cumulative but not compounded,  to
     the  extent  not  previously  allocated;  (iii)  third,  the
     balance of any remaining gain will then be allocated 90%  to
     the  Limited  Partners  and  10% to  the  General  Partners.
     Losses will be allocated 98% to the Limited Partners and  2%
     to the General Partners.

     The  General Partners are not required to currently  fund  a
     deficit   capital   balance.   Upon   liquidation   of   the
     Partnership or withdrawal by a General Partner, the  General
     Partners will contribute to the Partnership an amount  equal
     to  the  lesser  of  the deficit balances in  their  capital
     accounts  or  1%  of  total Limited  Partners'  and  General
     Partners' capital contributions.

        AEI INCOME & GROWTH FUND XXI LIMITED PARTNERSHIP

                  NOTES TO FINANCIAL STATEMENTS
                           (Continued)

(3)  Investments in Real Estate -

     On  December  21,  1995, the Partnership purchased  a  34.0%
     interest  in  a  Media Play retail store  in  Apple  Valley,
     Minnesota  for $1,414,060.  The property was leased  to  The
     Musicland Group, Inc. (MGI) under a Lease Agreement  with  a
     primary  term  of  18  years and annual rental  payments  of
     $139,587.

     In  December,  1996,  the Partnership  and  MGI  reached  an
     agreement in which MGI would buy out and terminate the Lease
     Agreement  by making a payment of $800,000, which was  equal
     to  approximately two years' rent.  The Partnership's  share
     of  such  payment was $272,000.  A specialist in  commercial
     property  leasing has been retained to locate a  new  tenant
     for  the  property.   While  the  property  is  vacant,  the
     Partnership  is  responsible for the real estate  taxes  and
     other costs required to maintain the property.

     As  of  December  31, 1997, based on an analysis  of  market
     conditions in the area, it was determined the fair value  of
     the   Partnership's   interest  in  the   Media   Play   was
     approximately $748,000.  In the fourth quarter  of  1997,  a
     charge  to operations for real estate impairment of $580,200
     was  recognized,  which is the difference between  the  book
     value  at  December 31, 1997 of $1,328,200 and the estimated
     market  value of $748,000.  The charge was recorded  against
     the cost of the land, building and equipment.

     On  July 8, 1997, the Partnership purchased a parcel of land
     in  Livonia, Michigan for $1,074,384.  The land is leased to
     Champps  under a Lease Agreement with a primary term  of  20
     years  and  annual  rental payments of  $75,207.   Effective
     January  3, 1998, the annual rent was increased to $115,496.
     Simultaneously   with  the  purchase  of   the   land,   the
     Partnership  entered into a Development Financing  Agreement
     under  which  the Partnership advanced funds to Champps  for
     the  construction of a Champps Americana restaurant  on  the
     site.   Initially, the Partnership charged interest  on  the
     advances at a rate of 7.0%.  Effective January 3, 1998,  the
     interest  rate  was increased to 10.75%.  On May  19,  1998,
     after the development was completed, the Lease Agreement was
     amended  to  require  annual rental  payments  of  $429,135.
     Total  acquisition costs, including the cost  of  the  land,
     were $4,150,061.

     On August 28, 1998, the Partnership purchased a 25% interest
     in  a parcel of land in Centerville, Ohio for $462,747.  The
     land is leased to Americana Dining Corporation (ADC) under a
     Lease  Agreement with a primary term of 20 years and  annual
     rental  payments of $32,392.  Effective December  25,  1998,
     the  annual  rent was increased to $48,588.   Simultaneously
     with  the purchase of the land, the Partnership entered into
     a   Development   Financing  Agreement   under   which   the
     Partnership advanced funds to ADC for the construction of  a
     Champps  Americana restaurant on the site.   Initially,  the
     Partnership charged interest on the advances at  a  rate  of
     7%.   Effective  December 25, 1998, the  interest  rate  was
     increased  to  10.5%.   On  January  27,  1999,  after   the
     development  was completed, the Lease Agreement was  amended
     to   require  annual  rental  payments  of  $101,365.    The
     Partnership's   share  of  the  total   acquisition   costs,
     including the cost of the land, was $984,426.  The remaining
     interests in the Fund property are owned by AEI Real  Estate
     Fund  XVII  Limited Partnership, AEI Real Estate Fund  XVIII
     Limited  Partnership  and  AEI Income  &  Growth  Fund  XXII
     Limited Partnership, affiliates of the Partnership.


        AEI INCOME & GROWTH FUND XXI LIMITED PARTNERSHIP

                  NOTES TO FINANCIAL STATEMENTS
                           (Continued)

(3)  Investments in Real Estate - (Continued)

     Through December 31, 1998, the Partnership sold 40.7615%  of
     its   interest  in  the  Champps  Americana  restaurant   in
     Columbus,  Ohio, in six separate transactions  to  unrelated
     third  parties.   The Partnership received  total  net  sale
     proceeds of $1,383,508 which resulted in a total net gain of
     $341,928.    The   total   cost  and   related   accumulated
     depreciation  of  the  interests  sold  was  $1,087,502  and
     $45,922,  respectively.  For the nine months ended September
     30, 1998, the net gain was $235,377.

     During  the  three  months  ended September  30,  1999,  the
     Partnership  sold  63.4768% of its interest  in  the  Arby's
     restaurant in three separate transactions to unrelated third
     parties.   The Partnership received total net sale  proceeds
     of  $657,632 which resulted in a total net gain of $163,463.
     The  total cost and related accumulated depreciation of  the
     interest sold was $545,697 and $51,528, respectively.

     Subsequent  to September 30, 1999, the Partnership  sold  an
     additional 21.5614% of its interest in the ArbyOs restaurant
     to  an unrelated third party.  The Partnership received  net
     sale proceeds of approximately $224,000 which resulted in  a
     net gain of approximately $56,000.

     In   September,  1999,  the  Partnership  entered  into   an
     agreement  to sell the Caribou Coffee store to an  unrelated
     third party.  On October 26, 1999, the sale closed with  the
     Partnership  receiving  net sale proceeds  of  approximately
     $1,575,000 for its interest in the property, which  resulted
     in a net gain of approximately $323,000.

     During  the  first  nine  months  of  1999  and  1998,   the
     Partnership distributed $19,895 and $348,252 of the net sale
     proceeds  to  the Limited and General Partners  as  part  of
     their  regular  quarterly distributions which represented  a
     return   of   capital  of  $0.83  and  $14.47  per   Limited
     Partnership Unit, respectively.

(4)  Payable to AEI Fund Management, Inc. -

     AEI  Fund  Management, Inc. performs the administrative  and
     operating functions for the Partnership.  The payable to AEI
     Fund   Management  represents  the  balance  due  for  those
     services.    This  balance  is  non-interest   bearing   and
     unsecured  and  is  to  be  paid in  the  normal  course  of
     business.


ITEM 2.MANAGEMENT'S DISCUSSION AND ANALYSIS

Results of Operations

      For the nine months ended September 30, 1999 and 1998,  the
Partnership   recognized   rental  income   of   $1,420,395   and
$1,247,467,   respectively.   During  the   same   periods,   the
Partnership  earned  investment income of $14,045  and  $140,616,
respectively.   In 1999, rental income increased primarily  as  a
result of rent received from the Champps Americana restaurants in
Livonia, Michigan and Centerville, Ohio.  The increase in  rental
income  was  partially offset by a decrease in investment  income
earned on subscription and sale proceeds prior to the purchase of
the properties.

ITEM 2.MANAGEMENT'S DISCUSSION AND ANALYSIS  (Continued)

        Musicland Group, Inc. (MGI), the lessee of the Media Play
retail  store  in  Apple Valley, Minnesota experienced  financial
difficulties and was aggressively restructuring its organization.
As  part of the restructuring, the Partnership and MGI reached an
agreement  in  December, 1996 in which  MGI  would  buy  out  and
terminate  the Lease Agreement by making a payment  of  $800,000,
which   is   equal  to  approximately  two  years'   rent.    The
Partnership's share of such payment was $272,000.   A  specialist
in  commercial property leasing has been retained to locate a new
tenant  for  the  property.  While the property  is  vacant,  the
Partnership  is responsible for the real estate taxes  and  other
costs required to maintain the property.

        As  of  December 31, 1997, based on an analysis of market
conditions in the area, it was determined the fair value  of  the
Partnership's  interest  in  the  Media  Play  was  approximately
$748,000.   In the fourth quarter of 1997, a charge to operations
for  real estate impairment of $580,200 was recognized, which  is
the  difference between the book value at December  31,  1997  of
$1,328,200  and  the  estimated market value  of  $748,000.   The
charge  was  recorded against the cost of the land, building  and
equipment.

        During the nine months ended September 30, 1999 and 1998,
the  Partnership  paid  Partnership  administration  expenses  to
affiliated parties of $175,086 and $187,294, respectively.  These
administration  expenses  include  costs  associated   with   the
management of the properties, processing distributions, reporting
requirements and correspondence to the Limited Partners.   During
the   same   periods,   the  Partnership   incurred   Partnership
administration  and property management expenses  from  unrelated
parties  of  $66,748 and $94,495, respectively.   These  expenses
represent  direct payments to third parties for legal and  filing
fees,  direct administrative costs, outside audit and  accounting
costs,  taxes, insurance and other property  costs.  The decrease
in  these expenses in 1999, when compared to 1998, is the  result
of  expenses incurred in 1998 related to the Media Play situation
discussed above.

         As   of  September  30,  1999,  the  Partnership's  cash
distribution rate was 6.5% on an annualized basis.  Distributions
of  Net Cash Flow to the General Partners are subordinated to the
Limited Partners as required in the Partnership Agreement.  As  a
result, 99% of distributions and income were allocated to Limited
Partners and 1% to the General Partners.

        Inflation  has  had  a  minimal  effect  on  income  from
operations.   The  Leases contain cost of living increases  which
will result in an increase in rental income over the term of  the
Leases.   Inflation also may cause the Partnership's real  estate
to  appreciate in value.  However, inflation and changing  prices
may  also have an adverse impact on the operating margins of  the
properties' tenants which could impair their ability to pay  rent
and subsequently reduce the Partnership's Net Cash Flow available
for distributions.

       The Year 2000 issue is the result of computer systems that
use  two  digits rather than four to define the applicable  year,
which  may prevent such systems from accurately processing  dates
ending  in  the  Year  2000 and beyond.   This  could  result  in
computer  system failures or disruption of operations, including,
but not limited to, an inability to process transactions, to send
or  receive  electronic data, or to engage  in  routine  business
activities.

        AEI  Fund  Management, Inc. (AEI) performs all management
services  for  the  Partnership.   In  1998,  AEI  completed   an
assessment of its computer hardware and software systems and  has
replaced or upgraded certain computer hardware and software using
the  assistance  of  outside vendors.  AEI has  received  written
assurance  from  the equipment and software manufacturers  as  to
Year  2000  compliance.   The  costs associated  with  Year  2000
compliance have not been, and are not expected to be, material.


ITEM 2.MANAGEMENT'S DISCUSSION AND ANALYSIS  (Continued)

        The  Partnership intends to monitor and communicate  with
tenants regarding Year 2000 compliance, although there can be  no
assurance  that the systems of the various tenants will  be  Year
2000 compliant.

Liquidity and Capital Resources

        During  the  nine months ended September  30,  1999,  the
Partnership's cash balances increased $350,870 mainly as a result
of  proceeds  received  from  the sale  of  property.   Net  cash
provided  by  operating activities decreased from  $1,256,662  in
1998  to  $1,187,823  in 1999 mainly as a result  of  net  timing
differences  in the collection of payments from the  lessees  and
the  payment  of  expenses, which were  partially  offset  by  an
increase in income and a decrease in expenses in 1999.

        The  major components of the Partnership's cash flow from
investing activities are investments in real estate and  proceeds
from  the  sale  of  real estate.  During the nine  months  ended
September  30,  1999 and 1998, the Partnership expended  $221,884
and  $2,475,090,  respectively,  to  invest  in  real  properties
(inclusive  of  acquisition expenses).  During the same  periods,
the  Partnership generated cash flow from the sale of real estate
of $657,632 and $862,718, respectively.

        On  July  8, 1997, the Partnership purchased a parcel  of
land in Livonia, Michigan for $1,074,384.  The land is leased  to
Champps  under a Lease Agreement with a primary term of 20  years
and  annual  rental  payments of $75,207.  Effective  January  3,
1998,  the annual rent was increased to $115,496.  Simultaneously
with  the  purchase of the land, the Partnership entered  into  a
Development  Financing  Agreement  under  which  the  Partnership
advanced  funds  to  Champps for the construction  of  a  Champps
Americana  restaurant  on the site.  Initially,  the  Partnership
charged  interest on the advances at a rate of  7.0%.   Effective
January  3, 1998, the interest rate was increased to 10.75%.   On
May  19,  1998,  after the development was completed,  the  Lease
Agreement  was  amended  to  require annual  rental  payments  of
$429,135.   Total acquisition costs, including the  cost  of  the
land, were $4,150,061.

        On  August  28,  1998, the Partnership  purchased  a  25%
interest  in a parcel of land in Centerville, Ohio for  $462,747.
The land is leased to Americana Dining Corporation (ADC) under  a
Lease Agreement with a primary term of 20 years and annual rental
payments  of  $32,392.  Effective December 25, 1998,  the  annual
rent  was increased to $48,588.  Simultaneously with the purchase
of the land, the Partnership entered into a Development Financing
Agreement under which the Partnership advanced funds to  ADC  for
the  construction of a Champps Americana restaurant on the  site.
Initially, the Partnership charged interest on the advances at  a
rate  of 7%.  Effective December 25, 1998, the interest rate  was
increased  to 10.5%.  On January 27, 1999, after the  development
was  completed, the Lease Agreement was amended to require annual
rental  payments  of $101,365.  The Partnership's  share  of  the
total  acquisition costs, including the cost  of  the  land,  was
$984,426.  The remaining interests in the Fund property are owned
by AEI Real Estate Fund XVII Limited Partnership, AEI Real Estate
Fund  XVIII Limited Partnership and AEI Income & Growth Fund XXII
Limited Partnership, affiliates of the Partnership.

        Through  December 31, 1998, the Partnership sold 40.7615%
of  its interest in the Champps Americana restaurant in Columbus,
Ohio,  in  six separate transactions to unrelated third  parties.
The  Partnership received total net sale proceeds  of  $1,383,508
which  resulted in a total net gain of $341,928.  The total  cost
and  related accumulated depreciation of the interests  sold  was
$1,087,502 and $45,922, respectively.  For the nine months  ended
September 30, 1998, the net gain was $235,377.


ITEM 2.MANAGEMENT'S DISCUSSION AND ANALYSIS  (Continued)

        During  the  three months ended September 30,  1999,  the
Partnership  sold  63.4768%  of  its  interest  in   the   Arby's
restaurant  in  three separate transactions  to  unrelated  third
parties.   The  Partnership received total net sale  proceeds  of
$657,632  which  resulted in a total net gain of  $163,463.   The
total  cost and related accumulated depreciation of the  interest
sold was $545,697 and $51,528, respectively.

        Subsequent to September 30, 1999, the Partnership sold an
additional  21.5614% of its interest in the ArbyOs restaurant  to
an  unrelated  third party.  The Partnership  received  net  sale
proceeds  of approximately $224,000 which resulted in a net  gain
of approximately $56,000.

        In  September,  1999,  the Partnership  entered  into  an
agreement to sell the Caribou Coffee store to an unrelated  third
party.  On October 26, 1999, the sale closed with the Partnership
receiving net sale proceeds of approximately $1,575,000  for  its
interest  in  the  property, which resulted  in  a  net  gain  of
approximately $323,000.

        During  the  first  nine months of  1999  and  1998,  the
Partnership  distributed $19,895 and $348,252  of  the  net  sale
proceeds  to  the Limited and General Partners as part  of  their
regular  quarterly distributions which represented  a  return  of
capital  of  $0.83  and  $14.47  per  Limited  Partnership  Unit,
respectively.

         After   completion   of  the  acquisition   phase,   the
Partnership's  primary  use  of cash  flow  is  distribution  and
redemption  payments to Partners.  The Partnership  declares  its
regular  quarterly distributions before the end of  each  quarter
and pays the distribution in the first week after the end of each
quarter.    The  Partnership  attempts  to  maintain   a   stable
distribution  rate  from  quarter  to  quarter.   The  redemption
payments  generally are funded with cash that would  normally  be
paid  as  part  of  the  regular quarterly distributions.   As  a
result,  total  distributions  and  distributions  payable   have
fluctuated  from year to year due to cash used to fund redemption
payments.    Effective   January  1,  1999,   the   PartnershipOs
distribution rate was reduced from 7.5% to 7.0%.  Effective April
1,   1999,   the  rate  was  reduced  to  6.5%.   As  a   result,
distributions were higher during 1998 when compared to  the  same
period in 1999.

        The  Partnership may acquire Units from Limited  Partners
who  have tendered their Units to the Partnership. Such Units may
be  acquired at a discount.  The Partnership is not obligated  to
purchase  in  any  year  more than 5%  of  the  number  of  Units
outstanding at the beginning of the year.  In no event shall  the
Partnership  be  obligated to purchase  Units  if,  in  the  sole
discretion  of the Managing General Partner, such purchase  would
impair the capital or operation of the Partnership.

        On October 1, 1999, ten Limited Partners redeemed a total
of  280.37 Partnership Units for $239,479 in accordance with  the
Partnership  Agreement.   The Partnership  acquired  these  Units
using  Net  Cash  Flow from operations.  In  prior  years,  three
Limited Partners redeemed a total of 171.1 Partnership Units  for
$154,021.    The  redemptions  increase  the  remaining   Limited
Partners' ownership interest in the Partnership.

       The continuing rent payments from the properties, together
with  cash  generated from property sales, should be adequate  to
fund   continuing   distributions  and  meet  other   Partnership
obligations on both a short-term and long-term basis.


                   PART II - OTHER INFORMATION

ITEM 1.LEGAL PROCEEDINGS

       There  are no material pending legal proceedings to  which
  the  Partnership  is  a  party or of  which  the  Partnership's
  property is subject.

ITEM 2.CHANGES IN SECURITIES

      None.

ITEM 3.DEFAULTS UPON SENIOR SECURITIES

      None.

ITEM 4.SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

      None

ITEM 5.OTHER INFORMATION

      None.

ITEM 6.EXHIBITS AND REPORTS ON FORM 8-K

      a. Exhibits -
                           Description

         10.1  Purchase Agreement dated  August  4,
               1999  between  the  Partnership  and   VTA
               Building  Company relating to the property
               at 2719 Zelda Road, Montgomery, Alabama.

         10.2  Co-Tenancy Agreement dated August  6,
               1999  between  the  Partnership  and   VTA
               Building  Company relating to the property
               at 2719 Zelda Road, Montgomery, Alabama.

         10.3  Purchase  Agreement dated  September
               20,  1999  between  the  Partnership,  AEI
               Institutional Net Lease Fund  '93  Limited
               Partnership   and  Boulevard   East,   LLC
               relating  to  the property  at  1531  East
               Boulevard, Charlotte, North Carolina.

         10.4  Purchase  Agreement dated  September
               29,  1999 between the Partnership and  The
               Barrett  Family  Trust  relating  to   the
               property  at  2719 Zelda Road, Montgomery,
               Alabama.

         10.5  Co-Tenancy Agreement  dated  October
               22,  1999 between the Partnership and  The
               Barrett  Family  Trust  relating  to   the
               property  at  2719 Zelda Road, Montgomery,
               Alabama.

          27   Financial Data Schedule  for  period
               ended September 30, 1999.

      b.    Reports filed on Form  8-K  -  None.


                           SIGNATURES

        In  accordance with the requirements of the Exchange Act,
the  Registrant has caused this report to be signed on its behalf
by the undersigned, thereunto duly authorized.


Dated:  November 8, 1999      AEI Income & Growth Fund XXI
                              Limited Partnership
                              By:  AEI Fund Management XXI, Inc.
                              Its: Managing General Partner



                              By: /s/ Robert P. Johnson
                                      Robert P. Johnson
                                      President
                                      (Principal Executive Officer)



                              By: /s/  Mark E. Larson
                                       Mark E. Larson
                                       Chief Financial Officer
                                       (Principal Accounting Officer)




                       PURCHASE AGREEMENT
               Arby's Restaurant - Montgomery, AL

This  AGREEMENT, entered into effective as of the 4th of  August,
1999.

l.  Parties.  Seller  is  AEI Income & Growth  Fund  XXI  Limited
Partnership which owns an undivided 45.8039% interest in the  fee
title  to  that  certain real property legally described  in  the
attached  Exhibit  "A"  (the "Entire  Property")   Buyer  is  VTA
Building  Company,  a  Minnesota general  partnership  ("Buyer").
Seller  wishes  to  sell and Buyer wishes to  buy  a  portion  of
Seller's tenant in common interest in the Entire Property.

2. Property. The Property to be sold to Buyer in this transaction
consists    of   an   undivided   21.5614   percentage   interest
(hereinafter, simply the "Property") as Tenant in Common  in  the
Entire Property.

3.  Purchase  Price  .  The purchase price  for  this  percentage
interest in the Entire Property is $250,000, all cash.

4.  TERMS.  The purchase price for the Property will be  paid  by
Buyer as follows:

     (a)  When this agreement is executed, Buyer will pay  $5,000
     to Seller (which shall be deposited into escrow according to
     the  terms hereof) (the "First Payment"). The First  Payment
     will  be  credited against the purchase price  when  and  if
     escrow closes and the sale is completed.

     (b)  Buyer  will deposit the balance of the purchase  price,
     $245,000  (the  "Second Payment") into escrow in  sufficient
     time to allow escrow to close on the closing date.

5.  CLOSING  DATE.   Escrow shall close on or before  August  13,
1999.

6.  DUE  DILIGENCE. Buyer will have until the expiration  of  the
tenth  business day (The "Review Period") after delivery of  each
of  following items, to be supplied by Seller, to conduct all  of
its  inspections  and due diligence and satisfy itself  regarding
each  item, the Property, and this transaction.  Buyer agrees  to
indemnify and hold Seller harmless for any loss or damage to  the
Entire  Property or persons caused by Buyer or its agents arising
out of such physical inspections of the Entire Property.

     (a)   The  original  and  one  copy  of  a  title  insurance
     commitment  for  an  Owner's  Title  insurance  policy  (see
     paragraph 8 below).

     (b)  A  copy  of  a Certificate of Occupancy or  other  such
     document  certifying completion and granting  permission  to
     permanently  occupy the improvements on the Entire  Property
     as are in Seller's possession.

     (c)  A  copy of an "as built" survey of the Entire  Property
     done concurrent with Seller's acquisition of the Property.

     (d) Lease (as further set forth in paragraph 11(a) below) of
     the Entire Property showing occupancy date, lease expiration
     date,  rent,  and  Guarantys, if any,  accompanied  by  such
     tenant  financial statements as may have been provided  most
     recently to Seller by the Tenant and/or Guarantors.



     Buyer Initial: /s/ JRK
     Purchase Agreement for Arby's Restaurant - Montgomery, AL


     It is a contingency upon Seller's obligations hereunder that
two  (2)  copies  of  Co-Tenancy Agreement in the  form  attached
hereto  duly  executed by Buyer and Seller and  dated  on  escrow
closing date be delivered to the Seller on the closing date.

      Buyer may cancel this agreement for ANY REASON in its  sole
discretion  by delivering a cancellation notice, via first  class
mail,  return  receipt  requested, to Seller  and  escrow  holder
before the expiration of the Review Period. Such notice shall  be
deemed  effective only upon receipt by Seller.  If this Agreement
is  not cancelled as set forth above, the First Payment shall  be
non-refundable unless Seller shall default hereunder.

      If  Buyer  cancels this Agreement as permitted  under  this
Section,  except  for  any  escrow  cancellation  fees  and   any
liabilities  under  the first paragraph of  sections  6  of  this
agreement  (which will survive), Buyer (after execution  of  such
documents   reasonably  requested  by  Seller  to  evidence   the
termination  hereof)  shall be returned its  First  Payment,  and
Buyer  will have absolutely no rights, claims or interest of  any
type  in  connection  with  the  Property  or  this  transaction,
regardless of any alleged conduct by Seller or anyone else.

      Unless this Agreement is canceled by Buyer pursuant to  the
terms  hereof, if Buyer fails to make the Second Payment,  Seller
shall   be  entitled  to  retain  the  First  Payment  and  Buyer
irrevocably will be deemed to be in default under this Agreement.
Seller  may, at its option, retain the First Payment and  declare
this Agreement null and void, in which event Buyer will be deemed
to  have canceled this Agreement and relinquish all rights in and
to  the  Property or Seller may exercise its rights under Section
14  hereof.   If  this Agreement is not canceled and  the  Second
Payment  is  made  when required, all of Buyer's  conditions  and
contingencies will be deemed satisfied.

7.  ESCROW. Escrow shall be opened by Seller and funds  deposited
in  escrow upon acceptance of this agreement by both parties. The
escrow  holder  will  be a nationally-recognized  escrow  company
selected by Seller. A copy of this Agreement will be delivered to
the  escrow holder and will serve as escrow instructions together
with the escrow holder's standard instructions and any additional
instructions required by the escrow holder to clarify its  rights
and  duties  (and  the  parties agree to  sign  these  additional
instructions).  If  there  is any conflict  between  these  other
instructions and this Agreement, this Agreement will control.

8.   TITLE.  Closing will be conditioned on the commitment  of  a
title  company selected by Seller to issue an Owner's  policy  of
title  insurance, dated as of the close of escrow, in  an  amount
equal  to  the  purchase  price, insuring  that  Buyer  will  own
insurable  title  to  the Property subject  only  to:  the  title
company's  standard exceptions;  current real property taxes  and
assessments;  survey  exceptions;  the  rights  of   parties   in
possession pursuant to the lease defined in paragraph  11  below;
and  other  items of record disclosed to Buyer during the  Review
Period.

      Buyer shall be allowed ten (10) days after receipt of  said
commitment  for examination and the making of any  objections  to
marketability thereto, said objections to be made in  writing  or
deemed  waived.  If any objections are so made, the Seller  shall
be  allowed eighty (80) days to make such title marketable or  in
the  alternative  to  obtain  a commitment  for  insurable  title
insuring over Buyer's objections.  If Seller shall decide to make
no  efforts to make title marketable, or is unable to make  title
marketable or obtain insurable title, (after execution  by  Buyer
of  such documents reasonably requested by Seller to evidence the
termination  hereof) Buyer's First Payment shall be returned  and
this Agreement shall be null and void and of no further force and
effect.  Seller has no obligation to spend any funds or make  any
effort to satisfy Buyer's objections if any.

      Pending  satisfaction of Buyer's objections,  the  payments
hereunder  required shall be postponed, but upon satisfaction  of
Buyer's objections and within ten (10) days after written


     Buyer Initial: /s/ JRK
     Purchase Agreement for Arby's Restaurant - Montgomery, AL





notice  of  satisfaction of Buyer's objections to the Buyer,  the
parties shall perform this Agreement according to its terms.

9.   CLOSING COSTS.  Seller will pay one-half of escrow fees, the
cost  of  the  title  commitment and  any  brokerage  commissions
payable.   The  Buyer  will pay the cost of  issuing  a  Standard
Owners  Title Insurance Policy in the full amount of the purchase
price,  if  Buyer shall decide to purchase the same.  Buyer  will
pay all recording fees, one-half of the escrow fees, and the cost
of an update to the Survey in Sellers possession (if an update is
required by Buyer.)  Each party will pay its own attorney's  fees
and costs to document and close this transaction.

10.  REAL ESTATE TAXES, SPECIAL ASSESSMENTS AND PRORATIONS.

     (a)  Because the Entire Property (of which the Property is a
     part) is subject to a triple net lease (as further set forth
     in  paragraph 11(a)(i), the parties acknowledge  that  there
     shall  be no need for a real estate tax proration.  However,
     Seller  represents  that to the best of its  knowledge,  all
     real  estate  taxes and installments of special  assessments
     due  and  payable in all years prior to the year of  Closing
     have been paid in full.  Unpaid real estate taxes and unpaid
     levied and pending special assessments existing on the  date
     of  Closing shall be the responsibility of Buyer and  Seller
     in   proportion  to  their  respective  Tenant   in   Common
     interests,  pro-rated, however, to the date of  closing  for
     the   period   prior  to  closing,  which   shall   be   the
     responsibility of Seller if Tenant shall not pay  the  same.
     Seller  and  Buyer  shall likewise pay  all  taxes  due  and
     payable   in   the  year  after  Closing  and   any   unpaid
     installments  of special assessments payable  therewith  and
     thereafter,  if  such  unpaid  levied  and  pending  special
     assessments and real estate taxes are not paid by any tenant
     of the Entire Property.

     (b)   All income and all operating expenses from the  Entire
     Property  shall be prorated between the parties and adjusted
     by them as of the date of Closing.  Seller shall be entitled
     to  all  income  earned  and shall be  responsible  for  all
     expenses  incurred prior to the date of Closing,  and  Buyer
     shall  be entitled to its proportionate share of all  income
     earned and shall be responsible for its proportionate  share
     of all operating expenses of the Entire Property incurred on
     and after the date of closing.

11.  SELLER'S REPRESENTATION AND AGREEMENTS.

     (a)  Seller represents and warrants as of this date that:

      (i)   Except for the lease in existence between AEI  Income
and  Growth  Fund XXI Limited   Partnership and AEI Institutional
Net  Lease Fund '93 Limited Partnership (as "Landlord")       and
RTM Gulf Coast, Inc. ("Tenant") dated May 31, 1995, Seller is not
aware  of  any    leases of the Property.  The  above  referenced
lease  agreement has a first right of refusal in   favor  of  the
Tenant as set forth in Article 35 of said lease agreement,  which
right shall    apply to any attempted disposition of the Property
by  Buyer after this transaction.  The   above lease also has  an
option to purchase in favor of the tenant as set forth in article
34   of said lease.

     (ii)   It  is  not  aware  of  any  pending  litigation   or
     condemnation  proceedings against the Property  or  Seller's
     interest in the Property.

     (iii)   Except  as  previously disclosed  to  Buyer  and  as
     permitted in paragraph (b) below, Seller is not aware of any
     contracts Seller has executed that would be binding on Buyer
     after the closing date.

     (b)   Provided  that  Buyer performs  its  obligations  when
     required, Seller agrees that it will not enter into any  new
     contracts that would materially affect the Property  and  be
     binding


     Buyer Initial: /s/ JRK
     Purchase Agreement for Arby's Restaurant - Montgomery, AL




     on  Buyer  after  the  Closing Date  without  Buyer's  prior
     consent,  which will not be unreasonably withheld.  However,
     Buyer  acknowledges that Seller retains the right both prior
     to  and after the Closing Date to freely transfer all  or  a
     portion  of  Seller's remaining undivided  interest  in  the
     Entire  Property, provided such sale shall not encumber  the
     Property being purchased by Buyer in violation of the  terms
     hereof or the contemplated Co-Tenancy Agreement.

12.  DISCLOSURES.

     (a)   Seller  has not received any notice of  any  material,
     physical,  or  mechanical defects of  the  Entire  Property,
     including  without  limitation, the plumbing,  heating,  air
     conditioning, ventilating, electrical system. To the best of
     Seller's  knowledge without inquiry, all such items  are  in
     good  operating condition and repair and in compliance  with
     all  applicable  governmental, zoning, and  land  use  laws,
     ordinances,  regulations and requirements.  If Seller  shall
     receive any notice to the contrary prior to Closing,  Seller
     will inform Buyer prior to Closing.

     (b)   Seller  has not received any notice that the  use  and
     operation  of the Entire Property is not in full  compliance
     with  applicable building codes, safety, fire,  zoning,  and
     land use laws, and other applicable local, state and federal
     laws,  ordinances, regulations and requirements.  If  Seller
     shall  receive any notice to the contrary prior to  Closing,
     Seller will inform Buyer prior to Closing.

     (c)   Seller  knows  of no facts nor has  Seller  failed  to
     disclose  to  Buyer  any fact known to  Seller  which  would
     prevent  the  Tenant  from using and  operating  the  Entire
     Property after the Closing in the manner in which the Entire
     Property  has been used and operated prior to  the  date  of
     this  Agreement.  If Seller shall receive any notice to  the
     contrary prior to Closing, Seller will inform Buyer prior to
     Closing.

     (d)   Seller  has  not received any notice that  the  Entire
     Property is in violation of any federal, state or local law,
     ordinance, or regulations relating to industrial hygiene  or
     the  environmental conditions on, under, or about the Entire
     Property,   including,  but  not  limited  to,   soil,   and
     groundwater conditions.  To the best of Seller's  knowledge,
     there  is  no  proceeding  or inquiry  by  any  governmental
     authority   with  respect  to  the  presence  of   Hazardous
     Materials  on  the  Entire  Property  or  the  migration  of
     Hazardous Materials from or to other property.  Buyer agrees
     that  Seller will have no liability of any type to Buyer  or
     Buyer's  successors,  assigns, or affiliates  in  connection
     with  any  Hazardous Materials on or in connection with  the
     Entire  Property  either before or after the  Closing  Date,
     except such Hazardous Materials on or in connection with the
     Entire Property arising out of Seller's gross negligence  or
     intentional misconduct.  If Seller shall receive any  notice
     to  the contrary prior to Closing, Seller will inform  Buyer
     prior to Closing.

     (e)   Buyer agrees that it shall be purchasing the  Property
     in  its  then present condition, as is, where is, and Seller
     has  no  obligations to construct or repair any improvements
     thereon  or to perform any other act regarding the Property,
     except as expressly provided herein.

     (f)    Buyer  acknowledges  that,  having  been  given   the
     opportunity  to  inspect  the  Entire  Property   and   such
     financial  information on the Lessee and Guarantors  of  the
     Lease as Buyer or its advisors shall request, if in Seller's
     possession, Buyer is relying solely on its own investigation
     of  the  Property  and  not on any information  provided  by
     Seller or to be provided except as set forth herein.   Buyer
     further acknowledges that the information provided and to be
     provided by Seller with respect to the Property, the  Entire
     Property  and  to  the Lessee and Guarantors  of  Lease  was
     obtained  from a variety of sources and Seller  neither  (a)
     has  made independent investigation or verification of  such
     information,



     Buyer Initial: /s/ JRK
     Purchase Agreement for Arby's Restaurant - Montgomery, AL





     or  (b)  makes  any representations as to  the  accuracy  or
     completeness of such information except as herein set forth.
     The  sale of the Property as provided for herein is made  on
     an  "AS IS" basis, and Buyer expressly acknowledges that, in
     consideration of the agreements of Seller herein, except  as
     otherwise specified herein in paragraph 11(a) and (b)  above
     and   this  paragraph  12,  Seller  makes  no  Warranty   or
     representation, Express or Implied, or arising by  operation
     of  law,  including,  but not limited to,  any  warranty  of
     condition,  habitability,  tenantability,  suitability   for
     commercial  purposes,  merchantability,  or  fitness  for  a
     particular purpose, in respect of the Property.

     The provisions (d) - (f) above shall survive Closing.

13.  CLOSING.

     (a)   Before  the  closing date, Seller  will  deposit  into
     escrow  an  executed special warranty deed warranting  title
     against  lawful  claims by, through, or under  a  conveyance
     from   Seller,  but  not  further  or  otherwise,  conveying
     insurable  title of the Property to Buyer,  subject  to  the
     exceptions contained in paragraph 8 above.

     (b)   On or before the closing date, Buyer will deposit into
     escrow:  the  balance  of the purchase price  when  required
     under  Section  4; any additional funds required  of  Buyer,
     (pursuant to this agreement or any other agreement  executed
     by  Buyer)  to  close escrow.  Both parties  will  sign  and
     deliver  to the escrow holder any other documents reasonably
     required by the escrow holder to close escrow.

     (c)   On  the  closing date, if escrow is in a  position  to
     close,  the  escrow  holder will: record  the  deed  in  the
     official  records  of  the  county  where  the  Property  is
     located;  cause  the title company to commit  to  issue  the
     title  policy; immediately deliver to Seller the portion  of
     the  purchase price deposited into escrow by cashier's check
     or  wire  transfer  (less debits and  prorations,  if  any);
     deliver  to  Seller  and Buyer a signed counterpart  of  the
     escrow  holder's certified closing statement  and  take  all
     other actions necessary to close escrow.

14.   DEFAULTS.  If Buyer defaults, Buyer will forfeit all rights
and  claims  and  Seller will be relieved of all obligations  and
will  be  entitled to retain all monies heretofore  paid  by  the
Buyer.   In  addition, Seller shall retain all remedies available
to Seller at law or in equity.

     If Seller shall default, Buyer irrevocably waives any rights
to file a lis pendens, a specific performance action or any other
claim,  action or proceeding of any type in connection  with  the
Property or this or any other transaction involving the Property,
and  will  not  do  anything to affect title to the  Property  or
hinder,  delay  or  prevent  any  other  sale,  lease  or   other
transaction involving the Property (any and all of which will  be
null  and void), unless: it has paid the First Payment, deposited
the  balance  of the Second Payment for the purchase  price  into
escrow, performed all of its other obligations and satisfied  all
conditions  under  this  Agreement, and unconditionally  notified
Seller  that it stands ready to tender full performance, purchase
the  Property and close escrow as per this Agreement,  regardless
of  any  alleged  default  or misconduct  by  Seller.   Provided,
however, that in no event shall Seller be liable for any  actual,
punitive, consequential or speculative damages arising out of any
default by Seller hereunder.

15.  BUYER'S REPRESENTATIONS AND WARRANTIES.

     a.  Buyer represents and warrants to Seller as follows:

     (i)   In  addition to the acts and deeds recited herein  and
     contemplated  to  be performed, executed, and  delivered  by
     Buyer, Buyer shall perform, execute and deliver or cause  to
     be  performed,  executed, and delivered at  the  Closing  or
     after the Closing, any and all further



     Buyer Initial: /s/ JRK
     Purchase Agreement for Arby's Restaurant - Montgomery, AL





     acts,  deeds  and assurances as Seller or the Title  Company
     may  require  and be reasonable in order to  consummate  the
     transactions contemplated herein.

     (ii)   Buyer  has  all  requisite  power  and  authority  to
     consummate  the  transaction contemplated by this  Agreement
     and  has by proper proceedings duly authorized the execution
     and  delivery of this Agreement and the consummation of  the
     transaction contemplated hereby.

     (iii)   To  Buyer's  knowledge, neither  the  execution  and
     delivery  of  this  Agreement nor the  consummation  of  the
     transaction  contemplated  hereby  will  violate  or  be  in
     conflict with (a) any applicable provisions of law, (b)  any
     order  of  any  court or other agency of  government  having
     jurisdiction  hereof, or (c) any agreement or instrument  to
     which Buyer is a party or by which Buyer is bound.

16.  DAMAGES, DESTRUCTION AND EMINENT DOMAIN.

     (a)   If, prior to closing, the Property or any part thereof
     should  be  destroyed  or  further  damaged  by  fire,   the
     elements,  or any cause, due to events occurring  subsequent
     to the date of this Agreement to the extent that the cost of
     repair exceeds $10,000.00, this Agreement shall become  null
     and void, at Buyer's option exercised, if at all, by written
     notice  to  Seller  within ten (10)  days  after  Buyer  has
     received  written notice from Seller of said destruction  or
     damage.  Seller, however, shall have the right to adjust  or
     settle  any  insured  loss until (i) all  contingencies  set
     forth  in Paragraph 6 hereof have been satisfied, or waived;
     and  (ii)  any  ten-day period provided for  above  in  this
     Subparagraph  16a  for  Buyer to  elect  to  terminate  this
     Agreement  has  expired or Buyer has, by written  notice  to
     Seller,  waived  Buyer's right to terminate this  Agreement.
     If  Buyer  elects to proceed and to consummate the  purchase
     despite  said  damage  or destruction,  there  shall  be  no
     reduction in or abatement of the purchase price, and  Seller
     shall  assign  to  Buyer  the  Seller's  right,  title,  and
     interest  in  and  to  all insurance proceeds  (pro-rata  in
     relation to the Entire Property) resulting from said  damage
     or  destruction to the extent that the same are payable with
     respect to damage to the Property, subject to rights of  any
     Tenant of the Entire Property.

     If  the cost of repair is less than $10,000.00, Buyer  shall
     be  obligated  to  otherwise  perform  hereinunder  with  no
     adjustment  to  the Purchase Price, reduction or  abatement,
     and  Seller shall assign Seller's right, title and  interest
     in and to all insurance proceeds pro-rata in relation to the
     Entire  Property,  subject to rights of any  Tenant  of  the
     Entire Property.

     (b)   If,  prior  to  closing, the  Property,  or  any  part
     thereof,  is  taken by eminent domain, this Agreement  shall
     become null and void, at Buyer's option.  If Buyer elects to
     proceed  and to consummate the purchase despite said taking,
     there  shall  be  no  reduction in,  or  abatement  of,  the
     purchase  price,  and  Seller  shall  assign  to  Buyer  the
     Seller's  right,  title, and interest in and  to  any  award
     made, or to be made, in the condemnation proceeding pro-rata
     in relation to the Entire Property, subject to rights of any
     Tenant of the Entire Property.

      In the event that this Agreement is terminated by Buyer  as
provided  above  in  Subparagraph 16a or 16b, the  First  Payment
shall  be immediately returned to Buyer (after execution by Buyer
of  such documents reasonably requested by Seller to evidence the
termination hereof).

17.  BUYER'S 1031 TAX FREE EXCHANGE.

      While  Seller  acknowledges that Buyer  is  purchasing  the
Property  as  "replacement property" to  accomplish  a  tax  free
exchange,   Buyer   acknowledges  that   Seller   has   made   no
representations,  warranties, or agreements to Buyer  or  Buyer's
agents  that  the transaction contemplated by the Agreement  will
qualify for such tax treatment, nor has there been any



     Buyer Initial: /s/ JRK
     Purchase Agreement for Arby's Restaurant - Montgomery, AL




reliance   thereon  by  Buyer  respecting  the   legal   or   tax
implications  of  the  transactions contemplated  hereby.   Buyer
further  represents  that it has sought and obtained  such  third
party advice and counsel as it deems necessary in regards to  the
tax implications of this transaction.

      Buyer  wishes  to  novate/assign the ownership  rights  and
interest of this Purchase Agreement to Dakota County Abstract and
Title which will act as Accommodator to perfect the 1031 exchange
by  preparing  an agreement of exchange of Real Property  whereby
Dakota  County  Abstract and Title  will be an independent  third
party purchasing the ownership interest in subject property  from
Seller and selling the ownership interest in subject property  to
Buyer  under the same terms and conditions as documented in  this
Purchase Agreement.  Buyer asks the Seller, and Seller agrees  to
cooperate  in  the  perfection of  such  an  exchange  if  at  no
additional  cost or expense to Seller or delay  in  time.   Buyer
hereby  indemnifies  and holds Seller harmless  from  any  claims
and/or  actions  resulting from said exchange.  Pursuant  to  the
direction  of Dakota County Abstract and Title, Seller will  deed
the Property to Buyer.

18. CANCELLATION

     If  any party elects to cancel this Contract because of  any
     breach by another party or because escrow fails to close  by
     the  agreed date, the party electing to cancel shall deliver
     to escrow agent a notice containing the address of the party
     in  breach and stating that this Contract shall be cancelled
     unless  the  breach  is cured within 13 days  following  the
     delivery  of  the notice to the escrow agent.  Within  three
     days  after  receipt of such notice, the escrow agent  shall
     send it by United States Mail to the party in breach at  the
     address contained in the Notice and no further notice  shall
     be  required. If the breach is not cured within the 13  days
     following  the  delivery of the notice to the escrow  agent,
     this Contract shall be cancelled.

19. MISCELLANEOUS.

     (a)  This Agreement may be amended only by written agreement
     signed by both Seller and Buyer, and all waivers must be  in
     writing  and signed by the waiving party.  Time  is  of  the
     essence.   This  Agreement  will not  be  construed  for  or
     against  a party whether or not that party has drafted  this
     Agreement.  If there is any action or proceeding between the
     parties relating to this Agreement the prevailing party will
     be  entitled to recover attorney's fees and costs.  This  is
     an  integrated  agreement containing all agreements  of  the
     parties  about the Property and the other matters described,
     and  it  supersedes any other agreements or  understandings.
     Exhibits  attached  to this Agreement are incorporated  into
     this Agreement.

     (b)   If  this  escrow  has not closed by  August  5,  1999,
     through  no  fault  of Seller, Seller  may  either,  at  its
     election,  extend  the closing date or exercise  any  remedy
     available   to   it  by  law,  including  terminating   this
     Agreement.

     (c)  Funds to be deposited or paid by Buyer must be good and
     clear  funds in the form of cash, cashier's checks  or  wire
     transfers.

     (d)   All notices from either of the parties hereto  to  the
     other  shall be in writing and shall be considered  to  have
     been  duly  given or served if sent by first class certified
     mail,  return receipt requested, postage prepaid,  or  by  a
     nationally recognized courier service guaranteeing overnight
     delivery to the party at his or its address set forth below,
     or  to  such  other  address  as such  party  may  hereafter
     designate by written notice to the other party.





     Buyer Initial: /s/ JRK
     Purchase Agreement for Arby's Restaurant - Montgomery, AL

     If to Seller:

          Attention:  Robert P. Johnson
          AEI Income & Growth Fund XXI Limited Partnership
          1300 Minnesota World Trade Center
          30 E. 7th Street
          St. Paul, MN  55101

     If to Buyer:

          VTA Building Company
          12825 Falcon Drive
          Apple Valley, MN  55124

      When  accepted, this offer will be a binding agreement  for
valid  and  sufficient consideration which will bind and  benefit
Buyer, Seller and their respective successors and assigns.  Buyer
is  submitting  this offer by signing a copy of  this  offer  and
delivering it to Seller.  Seller has five (5) business days  from
receipt within which to accept this offer.

      IN WITNESS WHEREOF, the Seller and Buyer have executed this
Agreement effective as of the day and year above first written.

BUYER:    VTA Building Company, A Minnesota General Partnership

          By: /s/ James R Knecht
                  James R. Knecht, Partner

          By: /s/ Rosalee J Knecht
                  Rosalee J. Knecht, Partner

SELLER:   AEI Income & Growth Fund XXI Limited Partnership
          By:  AEI Fund Management XXI, Inc.,  its  corporate
               general partner

          By: /s/ Robert P Johnson
                  Robert P. Johnson, President





     Buyer Initial: /s/ JRK
     Purchase Agreement for Arby's Restaurant - Montgomery, AL





                         EXHIBIT "A"



     Commencing at the Northeast corner of the Southeast  Quarter
     of  the  Southwest Quarter of Section 16, Township 16 North,
     Range  18 East, Montgomery City and County, Alabama,  thence
     West a distance of 535.66 feet, thence North 328.83 feet  to
     the  Southwest corner of Lot 1-T, of the Taco Bell Plat  No.
     3,  Zelda Road as recorded in the Montgomery County  Probate
     Office, said point being on the curve of the Norterly  right
     of  way  of Zelda Roas, said curve having a radius of 392.86
     feet,  a  central angle of 30 13' 45" and a chord of  204.88
     feet  with  a  chord  bearing of S  59  16'  00"  E,  thence
     southeasterly  along said curve to the end  of  said  curve,
     said  point being the Southeast corner of said Lot 1-T, also
     being  the point of beginning.  Thence N 39 28' 53" E,  from
     the  point of beginning along the southeasterly line of said
     Lot  1-T, a distance of 152.21 feet to an iron pin found  on
     the  southerly  right  of  way of Interstate  Hiwhway  I-85;
     thence  S 52 30' 39" E, along the southerly right of way  of
     Interstate Highway I-85 a distance of 311.90 feet to a found
     iron pin; thence S 74 07' 41" W a distance of 270.89 feet to
     a  found  iron  pin on the northerly right of way  of  Zelda
     Road; thence N 20 20' 05" W along the Northerly right of way
     of  Zelda Road a distance of 28.41 feet to the beginning  of
     the  curve of the northerly right of way of Zelda Road, said
     curve having a radius of 392.86 feet, a central angle of  20
     38' 00" and a chord of 140.71 feet with a chord bearing of N
     31  38' 47" W; thence Northwesterly along said curve to  the
     end of said curve, said point being the southeast corner  of
     said  Lot  1-T, and also being the point of beginning.   The
     said  tract  of land is located in the Northeast Quarter  of
     the  Southwest  Quarter of Section 16,  Township  16  North,
     Range 18 East, Montgomery City and County, Alabama.


                       PROPERTY CO-TENANCY
                       OWNERSHIP AGREEMENT
              (Arby's Restaurant - Montgomery, AL)


THIS CO-TENANCY AGREEMENT,

Made  and entered into as of the 6th day of August, 1999, by  and
between  VTA  Building Company, A Minnesota general  partnership,
(hereinafter  called  "VTA") and AEI Income  &  Growth  Fund  XXI
Limited Partnership (hereinafter called "Fund XXI") VTA, Fund XXI
(and any other Owner in Fee where the context so indicates) being
hereinafter   sometimes  collectively  called  "Co-Tenants"   and
referred to in the neuter gender).

WITNESSETH:

WHEREAS,  Fund XXI presently owns an undivided 24.2425%  interest
in and to, and VTA owns an undivided 21.5614% interest in and to,
and  Roland Terry owns an undivided 20.3540% interest in  and  to
and  the  Catharine C. Whittenburg Testamentary Trust for  J.  A.
Whittenburg  IV  or Assigns presently owns an undivided  21.5614%
interest  in and to, and the Cheung Living Trust Dated  July  27,
1989 presently owns an undivided 12.2807% interest in and to  the
land,  situated in the City of Montgomery, County of  Montgomery,
and  State  of  AL,  (legally described upon Exhibit  A  attached
hereto  and  hereby  made  a  part hereof)  and  in  and  to  the
improvements located thereon (hereinafter called "Premises");

WHEREAS,  The  parties  hereto wish to provide  for  the  orderly
operation  and management of the Premises and VTA's  interest  by
Fund XXI; the continued leasing of space within the Premises; for
the  distribution  of  income from and the  pro-rata  sharing  in
expenses of the Premises.

NOW  THEREFORE, in consideration of the purchase  by  VTA  of  an
undivided  interest  in and to the Premises,  for  at  least  One
Dollar  ($1.00) and other good and valuable consideration by  the
parties  hereto  to  one another in hand paid,  the  receipt  and
sufficiency of which are hereby acknowledged, and of  the  mutual
covenants and agreements herein contained, it is hereby agreed by
and between the parties hereto, as follows:

1.    The  operation  and  management of the  Premises  shall  be
delegated  to  Fund XXI, or its designated agent,  successors  or
assigns.  Provided, however, if Fund XXI shall sell  all  of  its
interest in the Premises, the duties and obligations of Fund  XXI
respecting  management  of  the Premises  as  set  forth  herein,
including but not limited to paragraphs 2, 3, and 4 hereof, shall
be exercised by the holder or holders of a majority undivided co-
tenancy interest in the Premises. Except as hereinafter expressly
provided to the contrary, each of the parties hereto agrees to be
bound  by  the  decisions  of  Fund  XXI  with  respect  to   all
administrative,  operational  and  management  matters   of   the
property  comprising the Premises, including but not  limited  to
the  management of the net lease agreement  for the Premises. VTA
hereto hereby designates Fund XXI as its sole and exclusive agent
to  deal with, and Fund XXI retains the sole right to deal  with,
any property agent or tenant and to negotiate and enter into,  on
terms  and provisions satisfactory to Fund XXI, monitor,  execute
and  enforce  the terms of leases of space within  the  Premises,
including  but  not  limited  to  any  amendments,  consents   to
assignment,  sublet,  releases  or  modifications  to  leases  or
guarantees  of  lease  or easements affecting  the  Premises,  on
behalf  of  VTA  As  long as Fund XXI owns  an  interest  in  the
Premises,  only  Fund XXI may obligate VTA with  respect  to  any
expense for the Premises.

As  further set forth in paragraph 2 hereof, Fund XXI  agrees  to
require  any lessee of the Premises to name VTA as an insured  or
additional  insured in all insurance policies  provided  for,  or
contemplated  by, any lease on the Premises. Fund XXI  shall  use
its best efforts to obtain


Co-Tenant Initial: /s/ JRK
Co-Tenancy Agreement for Arby's - Montgomery, AL



endorsements  adding  Co-Tenants to  said  policies  from  lessee
within  30 days of commencement of this agreement. In any  event,
Fund  XXI shall distribute any insurance proceeds it may receive,
to  the extent consistent with any lease on the Premises, to  the
Co-Tenants  in  proportion to their respective ownership  of  the
Premises.

2.    Income and expenses shall be allocated among the Co-Tenants
in  proportion to their respective share(s) of ownership.  Shares
of  net income shall be pro-rated for any partial calendar  years
included  within the term of this Agreement. Fund XXI may  offset
against,  pay to itself and deduct from any payment  due  to  VTA
under  this Agreement, and may pay to itself the amount of  VTA's
share  of any reasonable expenses of the Premises which  are  not
paid  by  VTA  to Fund XXI or its assigns, within ten  (10)  days
after  demand  by  Fund XXI. In the event there  is  insufficient
operating  income  from  which to deduct VTA's  unpaid  share  of
operating  expenses,  Fund  XXI may  pursue  any  and  all  legal
remedies for collection.

Operating  Expenses  shall include all normal operating  expense,
including  but not limited to: maintenance, utilities,  supplies,
labor, management, advertising and promotional expenses, salaries
and wages of rental and management personnel, leasing commissions
to  third  parties, a monthly accrual to pay insurance  premiums,
real  estate taxes, installments of special assessments  and  for
structural repairs and replacements, management fees, legal  fees
and accounting fees, but excluding all operating expenses paid by
tenant under terms of any lease agreement of the Premises.

VTA  has  no  requirement  to, but has,  nonetheless  elected  to
retain, and agrees to annually reimburse, Fund XXI in the  amount
of  $  710.00 for the expenses, direct and indirect, incurred  by
Fund   XXI  in  providing  VTA  with  quarterly  accounting   and
distributions  of  VTA's share of net income  and  for  tracking,
reporting  and  assessing  the  calculation  of  VTA's  share  of
operating  expenses  incurred from  the  Premises.  This  invoice
amount  shall  be pro-rated for partial years and VTA  authorizes
Fund  XXI to deduct such amount from VTA's share of revenue  from
the  Premises. VTA may terminate this agreement in this paragraph
respecting  accounting and distributions at any time and  attempt
to  collect its share of rental income directly from the  tenant;
however, enforcement of all other provisions of the lease remains
the  sole  right of Fund XXI pursuant to Section 1 hereof.   Fund
XXI  may  terminate its obligation under this paragraph  upon  30
days  notice to VTA prior to the end of each anniversary  hereof,
unless agreed in writing to the contrary.

3.    Full, accurate and complete books of account shall be  kept
in  accordance  with generally accepted accounting principles  at
Fund XXI's principal office, and each Co-Tenant shall have access
to  such  books and may inspect and copy any part thereof  during
normal  business hours. Within ninety (90) days after the end  of
each calendar year during the term hereof, Fund XXI shall prepare
an  accurate  income statement for the ownership of the  Premises
for  said calendar year and shall furnish copies of the  same  to
all Co-Tenants. Quarterly, as its share, VTA shall be entitled to
receive 21.5614% of all items of income and expense generated  by
the  Premises.  Upon receipt of said accounting, if the  payments
received  by each Co-Tenant pursuant to this Paragraph 3  do  not
equal,  in the aggregate, the amounts which each are entitled  to
receive  proportional to its share of ownership with  respect  to
said calendar year pursuant to Paragraph 2 hereof, an appropriate
adjustment  shall  be  made so that each Co-Tenant  receives  the
amount to which it is entitled.

4.    If  Net Income from the Premises is less than $0.00  (i.e.,
the  Premises  operates  at a loss), or if capital  improvements,
repairs, and/or replacements, for which adequate reserves do  not
exist,  need  to  be made to the Premises, the  Co-Tenants,  upon
receipt  of  a  written request therefor from  Fund  XXI,  shall,
within  fifteen (15) business days after receipt of notice,  make
payment  to Fund XXI sufficient to pay said net operating  losses
and to provide necessary operating capital


Co-Tenant Initial: /s/ JRK
Co-Tenancy Agreement for Arby's - Montgomery, AL




for  the  premises  and  to  pay for said  capital  improvements,
repairs and/or replacements, all in proportion to their undivided
interests in and to the Premises.

5.    Co-Tenants  may, at any time, sell, finance,  or  otherwise
create  a lien upon their interest in the Premises but only  upon
their  interest  and not upon any part of the interest  held,  or
owned, by any other Co-Tenant.  All Co-Tenants reserve the  right
to escrow proceeds from a sale of their interests in the Premises
to obtain tax deferral by the purchase of replacement property.

6.    If any Co-Tenant shall be in default with respect to any of
its  obligations hereunder, and if said default is not  corrected
within  thirty  (30)  days after receipt by said  defaulting  Co-
Tenant  of written notice of said default, or within a reasonable
period  if  said default does not consist solely of a failure  to
pay money, the remaining Co-Tenant(s) may resort to any available
remedy to cure said default at law, in equity, or by statute.

7.    This Co-Tenancy agreement shall continue in full force  and
effect  and shall bind and inure to the benefit of the  Co-Tenant
and  their respective heirs, executors, administrators,  personal
representatives, successors and permitted assigns until  June  1,
2025  or upon the sale of the entire Premises in accordance  with
the terms hereof and proper disbursement of the proceeds thereof,
whichever shall first occur.  Unless specifically identified as a
personal  contract  right or obligation  herein,  this  agreement
shall  run  with any interest in the Premises and with the  title
thereto. Once any person, party or entity has ceased to  have  an
interest in fee in any portion of the Premises, it shall  not  be
bound  by, subject to or benefit from the terms hereof;  but  its
heirs,   executors,  administrators,  personal   representatives,
successors  or assigns, as the case may be, shall be  substituted
for it hereunder.

8.    Any notice or election required or permitted to be given or
served by any party hereto to, or upon any other, shall be  given
to  all known Co-Tenants and deemed given or served in accordance
with  the  provisions  of  this  Agreement,  if  said  notice  or
elections addressed as follows;

If to Fund XXI:

AEI Income and Growth Fund XXI Limited Partnership
1300 Minnesota World Trade Center
30 E. Seventh Street
St. Paul, Minnesota  55101

If to VTA:

VTA Building Company
12825 Falcon Drive
Apple Valley, MN  55124

If to Cheung:

Howard Owyoung Cheung
Rosemarie Cheung
10 Live Oak Court
Hillsborough, CA  94010



Co-Tenant Initial: /s/ JRK
Co-Tenancy Agreement for Arby's - Montgomery, AL



If to Whittenburg:

The Catharine C. Whittenburg Testamentary Trust
Post Office Box 26
Amarillo, TX  79105

If to Terry:

Roland Terry
154 Little Hendricks Pk  #20612
Jasper, GA  30143

Each mailed notice or election shall be deemed to have been given
to,  or served upon, the party to which addressed on the date the
same  is  deposited in the United States certified  mail,  return
receipt  requested,  postage prepaid, or given  to  a  nationally
recognized  courier  service guaranteeing overnight  delivery  as
properly addressed in the manner above provided. Any party hereto
may  change  its address for the service of notice  hereunder  by
delivering  written notice of said change to  the  other  parties
hereunder, in the manner above specified, at least ten (10)  days
prior to the effective date of said change.

9.    This  Agreement shall not create any partnership  or  joint
venture  among or between the Co-Tenants or any of them, and  the
only  relationship  among  and between the  Co-Tenants  hereunder
shall  be  that  of owners of the premises as tenants  in  common
subject to the terms hereof.

10.   The  unenforceability or invalidity  of  any  provision  or
provisions  of  this Agreement as to any person or  circumstances
shall  not render that provision, nor any other provision hereof,
unenforceable or invalid as to any other person or circumstances,
and  all  provisions hereof, in all other respects, shall  remain
valid and enforceable.

11.   In  the  event  any litigation arises between  the  parties
hereto  relating  to  this Agreement, or any  of  the  provisions
hereof, the party prevailing in such action shall be entitled  to
receive  from the losing party, in addition to all other  relief,
remedies  and  damages  to  which it is otherwise  entitled,  all
reasonable  costs  and expenses, including reasonable  attorneys'
fees,  incurred by the prevailing party in connection  with  said
litigation.





              REST OF PAGE INTENTIONALLY LEFT BLANK




Co-Tenant Initial: /s/ JRK
Co-Tenancy Agreement for Arby's - Montgomery, AL


VTA Building Company


                      By: /s/ James R Knecht
                              James R. Knecht, Partner

STATE OF MINNESOTA)
                              ) ss
COUNTY OF Ramsey)

I,  a Notary Public in and for the state and county of aforesaid,
hereby  certify there appeared before me this 4th day of  August,
1999,  James  R  Knecht who executed the foregoing instrument  in
said capacity.
               [notary seal]
                            /s/ Barbara J Kochevar
                                Notary Public


                      By: /s/ Rosalee J Knecht
                              Rosalee J. Knecht, Partner

STATE OF MINNESOTA)
                              ) ss      [notary seal]
COUNTY OF Ramsey)

I,  a Notary Public in and for the state and county of aforesaid,
hereby  certify there appeared before me this 4th day of  August,
1999,  Rosalee J Knecht who executed the foregoing instrument  in
said capacity.

                               /s/ Barbara J Kochevar
                                   Notary Public



Co-Tenant Initial: /s/ JRK
Co-Tenancy Agreement for Arby's - Montgomery, AL





Fund XXI   AEI Income & Growth Fund XXI Limited Partnership

           By:  AEI Fund Management XXI, Inc., its corporate general
                partner

           By: /s/ Robert P Johnson
                   Robert P. Johnson, President

State of Minnesota )
                                   ) ss.
County of Ramsey  )

I,  a Notary Public in and for the state and county of aforesaid,
hereby  certify there appeared before me this 4th day of  August,
1999,  Robert  P. Johnson, President of AEI Fund Management  XXI,
Inc.,  corporate general partner of AEI Income & Growth Fund  XXI
Limited Partnership who executed the foregoing instrument in said
capacity  and  on  behalf of the corporation in its  capacity  as
corporate general partner, on behalf of said limited partnership.

                              /s/ Linda A Bisdorf
                                  Notary Public

                                   [notary seal]



Co-Tenant Initial: /s/ JRK
Co-Tenancy Agreement for Arby's - Montgomery, AL






                         EXHIBIT "A"



     Commencing at the Northeast corner of the Southeast  Quarter
     of  the  Southwest Quarter of Section 16, Township 16 North,
     Range  18 East, Montgomery City and County, Alabama,  thence
     West a distance of 535.66 feet, thence North 328.83 feet  to
     the  Southwest corner of Lot 1-T, of the Taco Bell Plat  No.
     3,  Zelda Road as recorded in the Montgomery County  Probate
     Office, said point being on the curve of the Norterly  right
     of  way  of Zelda Roas, said curve having a radius of 392.86
     feet,  a  central angle of 30 13' 45" and a chord of  204.88
     feet  with  a  chord  bearing of S  59  16'  00"  E,  thence
     southeasterly  along said curve to the end  of  said  curve,
     said  point being the Southeast corner of said Lot 1-T, also
     being  the point of beginning.  Thence N 39 28' 53" E,  from
     the  point of beginning along the southeasterly line of said
     Lot  1-T, a distance of 152.21 feet to an iron pin found  on
     the  southerly  right  of  way of Interstate  Hiwhway  I-85;
     thence  S 52 30' 39" E, along the southerly right of way  of
     Interstate Highway I-85 a distance of 311.90 feet to a found
     iron pin; thence S 74 07' 41" W a distance of 270.89 feet to
     a  found  iron  pin on the northerly right of way  of  Zelda
     Road; thence N 20 20' 05" W along the Northerly right of way
     of  Zelda Road a distance of 28.41 feet to the beginning  of
     the  curve of the northerly right of way of Zelda Road, said
     curve having a radius of 392.86 feet, a central angle of  20
     38' 00" and a chord of 140.71 feet with a chord bearing of N
     31  38' 47" W; thence Northwesterly along said curve to  the
     end of said curve, said point being the southeast corner  of
     said  Lot  1-T, and also being the point of beginning.   The
     said  tract  of land is located in the Northeast Quarter  of
     the  Southwest  Quarter of Section 16,  Township  16  North,
     Range 18 East, Montgomery City and County, Alabama.









                       PURCHASE AGREEMENT

      THIS AGREEMENT, entered into effective as of this 20th  day
of September, 1999.

      1.    Parties.  The buyer is Boulevard East, LLC or related
assigns,  (such  assignment to be effective only if  buyer  shall
remain  liable  for  the full performance  of  Buyer  hereunder),
("Buyer"), and the seller is AEI Income & Growth Fund XXI Limited
Partnership,   a   Minnesota   limited   partnership,   and   AEI
Institutional  Net Lease Fund `93 Limited Partnership  (together,
"Seller").

      2.    Property.  The Property consists of the real property
legally described on Exhibit A attached hereto, all buildings and
improvements,  and  fixtures on the  land,  (including,  but  not
limited  to, that certain approximately square foot building  and
related  improvements) appurtenances, mineral and similar  rights
(to  the extent owned by Seller), and personal property, if  any,
presently  owned by Seller and used by Seller in connection  with
the  land  or the improvements, all of Seller's interest  in  all
leases,  prepaid  rents,  security deposits  and  other  contract
rights, guaranties and warranties or other rights related to  the
use and operation of the Property and all assignable governmental
licenses and permits.

     3.   Purchase Price.  The purchase price for the Property is
$1,697,089, all cash.

      4.    Terms.  The purchase price for the Property  will  be
paid by Buyer as follows:

                                (a)    When  this  agreement   is
                    executed,  Buyer  will pay $5,000  to  Seller
                    (the  "First  Payment").  The  First  Payment
                    will   be  forwarded  to  the  Escrowee   per
                    paragraph 7 hereof, and credited against  the
                    purchase price when and if escrow closes  and
                    the sale is completed.

                               (b)  At the expiration of the  Due
                    Diligence  Period,  buyer will  deposit  with
                    Escrowee  an  addition $20,000  (the  ASecond
                    Payment@)

                              (c)  Buyer will deposit the balance
                    of   the  purchase  price,  $1,672,089,  (the
                    "Final  Payment") into escrow  in  sufficient
                    time  to allow escrow to close on the closing
                    date.

      5.   Closing Date.  Escrow is scheduled to close (i.e., the
deed  will  be  recorded and the purchase  price  transferred  to
Seller) on November 15, 1999, or such earlier time as the parties
may mutually agree.

     6.   Due Diligence.  Buyer will have until the latter of (i)
forty-five  (45) days after the full execution of this  Agreement
by  both  parties  hereto,  or (ii) forty-five  (45)  days  after
delivery  of  each  of  the following items (the  ADue  Diligence
Period@) to conduct all of its inspections and due diligence  and
satisfy  itself  regarding  each  item,  the  Property  and  this
transaction.

          a.    The  original  and one copy of a title  insurance
          commitment  for an ALTA owner's title insurance  policy
          (see paragraph 8 below)

          b.   Copies of such "as built" plans and specifications
          for  the  Property as Seller can locate after  diligent
          search.

          c.    Copies  of  an "as built" survey of the  Property
          done  concurrent  with  Seller's  acquisition  of   the
          Property.

          d.    Current  lease, and rent payment history  showing
          occupancy  date,  lease  expiration  date,  rent,   and
          security  deposit, if any, accompanied by  such  tenant
          financial  statements  as may  have  been  provided  to
          Seller by the Tenant.

          Copies   of  any  and  all  existing  soil  tests   and
          environmental  tests previously done by or  for  Seller
          relating to the Property.

During  the Due Diligence Period, Buyer and Seller as a condition
to  both  parties' obligations hereunder, shall attempt to  agree
upon  a mutually acceptable form of assignment and assumption  of
lease  and  personalty of Seller on the Property,  if  any,  with
respective pre and post closing indemnification clauses,  and  an
Estoppel  Certificate executed by existing tenant  on  such  form
reasonably   approved  by  Buyer,  or  if  tenant  is  unwilling,
certified by Seller (to be submitted within thirty (30)  days  of
Closing).

Seller  shall provide Buyer access to the Property from  time  to
time  for the purpose of conducting inspections thereof including
mechanical,    structural,   electrical   and   other    physical
inspections.  Buyer has until the end of the Due Diligence Period
to complete such physical inspection.

Buyer shall indemnify Seller from and against any and all losses,
claims,  causes of action, liabilities, and costs to  the  extent
caused   by   the  actions  of  Buyer,  its  agents,   employees,
contractors,  or  invitees,  during  any  such  entry  upon   the
Property.   The  foregoing duty of indemnification shall  include
the  duty to pay all reasonable attorney's fees incurred  by  the
Seller  in  responding  to  or  defending  any  such  claims   or
proceedings.

Buyer  may  cancel  this agreement for ANY  REASON  in  its  sole
discretion by delivering a cancellation notice by certified mail,
return  receipt  requested, or by overnight delivery  service  to
Seller  and  escrow  holder  before the  expiration  of  the  Due
Diligence  Period.   Such notice shall be deemed  effective  only
upon receipt by Seller.

If  Buyer cancels this Agreement as permitted under this Section,
except for any escrow cancellation fees and any liabilities under
Sections 15(a) of this Agreement (which will survive), Buyer
(after execution of such documents reasonably requested by Seller
to  evidence the termination hereof) shall be returned the  First
Payment,  and  Buyer will have absolutely no  rights,  claims  or
interest  of  any  type in connection with the Property  or  this
transaction,  regardless  of any alleged  conduct  by  Seller  or
anyone else.

Buyer  irrevocably will be deemed to have canceled this Agreement
and  relinquish  all rights in and to the Property  unless  Buyer
makes  the  Second Payment when required.  Upon  payment  of  the
Second  Payment, Buyer shall have been deemed to have waived  its
right  to  terminate this Agreement based upon the items received
by  Buyer  and  its  inspection of the property  during  the  Due
Diligence Period.  Buyer shall have ten (10) business days,  from
written  notice to Buyer, to review any adverse material  changes
in  any  of the due diligence items received prior to the Closing
Date  to  terminate this Agreement. Except for the foregoing,  if
this  Agreement  is not canceled and the Second Payment  is  made
when  required, all of Buyer's conditions and contingencies  will
be deemed satisfied.

7.    Escrow.  The escrow holder will be Centura Title  Insurance
Agency,  as  agent  for a nationally-recognized  title  insurance
company  reasonably acceptable to Seller ("the  Escrowee"),  with
offices  in  or near Charlotte, North Carolina.  A copy  of  this
Agreement  and the First Payment will be delivered to the  escrow
holder  and will serve as escrow instructions together  with  the
escrow   holder's  standard  instructions  and   any   additional
instructions required by the escrow holder to clarify its  rights
and  duties  (and  the  parties agree to  sign  these  additional
instructions).   If  there is any conflict  between  these  other
instructions  and  this Agreement, this Agreement  will  control.
Escrow will be deemed opened only upon Seller's execution of this
Agreement  and  the  deposit with Escrowee of the  Buyer's  First
Payment  by Seller.  The escrow is scheduled to close on November
15, 1999.

8.    Title.  Closing will be conditioned on the agreement of the
Escrowee  to  issue  an ALTA Owner's policy of  title  insurance,
dated  as  of  the  close of escrow, in an amount  equal  to  the
purchase  price, insuring that Buyer will own insurable title  to
the  property  subject  only to:  the  title  company's  standard
exceptions;  current real property taxes and assessments;  survey
exceptions;  and other items of record disclosed to Buyer  during
the contingency period.

Buyer  shall be allowed ten (10) business days after  receipt  of
said  commitment  for  examination and  for  the  making  of  any
objections  thereto, said objections to be  made  in  writing  or
deemed  waived.  If any objections are so made, the Seller  shall
be  allowed  sixty (60) days to remove or cure such objection  to
Buyer's  satisfaction and make such title marketable.  If  Seller
shall  decide to make no efforts to make title marketable, or  is
unable  to  make title marketable, (after execution by  Buyer  of
such  documents  reasonably requested by Seller to  evidence  the
termination  hereof) Buyer's First Payment shall be returned  and
this Agreement shall be null and void and of no further force and
effect.

Pending  correction  of  title, the payments  hereunder  required
shall  be postponed, but upon correction of title and within  ten
(10)  days  after written notice of correction to the Buyer,  the
parties  shall  perform this agreement according  to  its  terms.
Seller shall pay for the cost of issuing the title commitment and
Buyer  shall  pay  the  owner's title insurance  premium  for  an
Owner's policy.

9.   CLOSING COSTS.  Subject to paragraph 4(c) above, Seller will
pay  the  deed stamp taxes and one-half of escrow fees,  and  any
brokerage  commissions  payable.  Buyer will  pay  all  recording
fees,  one-half  of the escrow fees, the costs  of  a  survey  or
survey update (if required by Buyer) and the title premium.  Each
party will pay its own attorneys' fees and costs to document  and
close of this transaction.

10.  REAL ESTATE TAXES, SPECIAL ASSESSMENTS AND PRORATIONS.

                     (a)   Because the Property is subject  to  a
               triple  net  lease, the parties  acknowledge  that
               there  shall  be  no need for a  real  estate  tax
               prorations.   However, Seller represents  that  to
               the  best of its knowledge, all real estate  taxes
               and  installments of special assessments  due  and
               payable  in all years prior to the year of Closing
               have been paid in full.  Unpaid levied and pending
               special  assessments  existing  on  the  date   of
               Closing  shall  be  pro-rated  between  Buyer  and
               Seller as of the date of Closing.  Buyer shall pay
               all  taxes  due  and  payable in  the  year  after
               Closing  and  any unpaid installments  of  special
               assessments payable therewith and thereafter.

                     (b)   All  income and all operating expenses
               from  the  Property shall be prorated between  the
               parties  and  adjusted by them as of the  date  of
               Closing.   Seller shall be entitled to all  income
               earned  and shall be responsible for all  expenses
               incurred  prior to the date of Closing, and  Buyer
               shall  be entitled to all income earned and  shall
               be  responsible for all operating expenses of  the
               Property  incurred  on  and  after  the  date   of
               closing.   To the extent any of said items  cannot
               be determined at Closing after reasonable efforts,
               Seller and Buyer shall compute such prorations  as
               soon  as  possible after Closing and  settle  such
               adjustment as of the Closing date.

     11.  SELLER'S COVENANTS, REPRESENTATIONS AND AGREEMENTS.

           (a)   Seller represents and warrants as of  this  date
that:

                               (i)   Except  for  the  Net  Lease
                    Agreement   with  Caribou  Coffee   and   its
                    sublessees or concessionaires, there  are  no
                    other  leases of the property.   The  Caribou
                    Coffee  Net Lease Agreement is in full  force
                    and  effect  and neither party is in  default
                    thereunder and the tenant is not entitled  to
                    any credits or offsets thereunder.

                              (ii) It is not aware of any pending
                    litigation,    condemnation,   or    rezoning
                    proceedings against the Property or  Seller's
                    interest in the Property.

                    (iii)     It is not aware of any contracts it
                    has  executed that would be binding on  Buyer
                    after the closing date.

                    (iv)  Seller  is  validly existing  and  duly
                    qualified  to transact business in the  State
                    of North Carolina.

                    (v)   To  the best of Seller's knowledge  the
                    Property is not subject to any claim, demand,
                    suit, unfiled lien or other proceeding of any
                    kind   which   affects  or  may  affect   the
                    Property.

                    (vi)  There are no leasing commissions,  fees
                    or other compensation owed in connection with
                    the leasing of the Property.

                    (vii)      Provided that Buyer  performs  its
                    obligations when required, Seller agrees that
                    it  will not enter into any new contracts  or
                    amend or modify any current leases that would
                    materially affect the Property and be binding
                    on  Buyer  after  the  closing  date  without
                    Buyer's  prior  consent, which  will  not  be
                    unreasonably withheld.

                    (viii)     Seller  is not a "foreign  person"
                    which  would subject Buyer to the withholding
                    tax   provisions  of  Section  1445  of   the
                    Internal Revenue Code.

                    (ix) To Seller's best knowledge, the Property
                    and  all business operations thereon  are  in
                    compliance with all applicable federal, state
                    and local statutes, laws and regulations.

                    (x)  Seller is not aware of, and has received
                    no notice of, the presence, disposal, leakage
                    or  migration  on  to  the  Property  of  any
                    hazardous waste or toxic substances regulated
                    by  any  federal, state or local governmental
                    authorities which may be in violation of  any
                    applicable law, rule or regulation.

                               (xi)  In addition to the acts  and
                    deeds  recited herein and contemplated to  be
                    performed, executed, and delivered by Seller,
                    Seller shall perform, execute, and deliver or
                    cause   to   be   performed,  executed,   and
                    delivered   at  the  Closing  or  after   the
                    Closing, any and all further acts, deeds, and
                    assurances, as Buyer or the Title Company may
                    require and Seller deems to be reasonable  in
                    order    to   consummate   the   transactions
                    contemplated herein.

                    (xii)     Seller has all requisite power  and
                    authority   to  consummate  the   transaction
                    contemplated  by this Agreement  and  has  by
                    proper   proceedings  duly   authorized   the
                    execution and delivery of this Agreement  and
                    the    consummation   of   the    transaction
                    contemplated hereby.

               (b)  All covenants, representations and warranties
               of Seller contained herein are true and correct as
               of  the  date hereof and shall be true and correct
               as of the date of Closing.

      12.   Disclaimer.  Seller and Buyer acknowledge  and  agree
that  Seller acquired the Property through a sale\leaseback  with
the  present  tenant.   Seller  has been  an  absentee  landlord.
Consequently,  Seller  has  little,  if  any,  knowledge  of  the
physical characteristics of the Property.

     Accordingly, except as otherwise specifically stated in this
Agreement,  Seller  hereby specifically disclaims  any  warranty,
guaranty,  or representation, oral or written, past, present,  or
future  of, as to, or concerning (i) the nature and condition  of
the Property, including, without limitation, the water, soil, and
geology, and the suitability thereof and of the Property for  any
and  all  activities and uses which Buyer may  elect  to  conduct
thereon; (ii) except for the warranty contained in the Deed to be
delivered by Seller at the Closing, the nature and extent of  any
right  of  way,  Lease,  possession, lien, encumbrance,  license,
reservation,  condition, or  otherwise, and (iii) the  compliance
of  the  Property or its operation with any laws, ordinances,  or
regulations of any government or other body.

     Buyer acknowledges that having been given the opportunity to
inspect  the  Property,  Buyer  is  relying  solely  on  its  own
investigation  of  the  Property  and  not  on  any   information
provided or to be provided by Seller except as set forth  herein.
Buyer  further acknowledges that the information provided and  to
be  provided with respect to the Property by Seller was  obtained
from  a  variety  of  sources and Seller  neither  (a)  has  made
independent investigation or verification of such information, or
(b)  makes any representations as to the accuracy or completeness
of  such  information.  The sale of the Property as provided  for
herein  is  made  on  an  "AS  IS"  basis,  and  Buyer  expressly
acknowledges that, in consideration of the   agreements of Seller
herein,  except  as otherwise specified herein, Seller  makes  no
Warranty  or  representation, Express or Implied, or  arising  by
operation of law, including, but not limited to, any warranty  or
condition,    habitability,   tenantability,   suitability    for
commercial purposes, merchantability, or fitness for a particular
purpose, in respect of the Property.

     BUYER AGREES THAT IT SHALL BE PURCHASING THE PROPERTY IN ITS
THEN  PRESENT  CONDITION, AS IS, WHERE  IS,  AND  SELLER  HAS  NO
OBLIGATION TO CONSTRUCT OR REPAIR ANY IMPROVEMENTS THEREON, OR TO
PERFORM ANY OTHER ACT REGARDING THE PROPERTY, EXCEPT AS EXPRESSLY
PROVIDED HEREIN.

     13.  CLOSING.

               a.    Before the closing date, Seller will deposit
               into escrow: an executed general warranty deed  on
               the  form  attached hereto as Exhibit B  conveying
               fee  simple,  insurable title of the  Property  to
               Buyer; and

                    i)   Assignment and Assumption of the Caribou
                    Coffee   Lease,  and  any  other   intangible
                    personal property.

               ii)  Bill of sale to personal property, if any, of
Seller, on the property.

               iii) Lien waiver affidavit

               iv)  Form 10995

               v)   FIRPTA Certificate

                               vi)   Delivery of ORIGINAL Caribou
                    Coffee  lease, warranties/guaranties, if  any
                    in   Seller's  possession,  permits/licenses,
                    keys, if any, in Seller's possession.

                    vii)  Certified copy of Partnership Agreement
                    for the Seller

                viii)      Notice  of transfer to tenant  jointly
signed by Buyer and Seller.

                              ix)  Estoppel dated no more than 30
                    days prior to the Closing from Caribou Coffee
                    in form and substance reasonably satisfactory
                    to  Buyer.  If Buyer and Seller cannot  agree
                    prior  to the end of the Due Diligence Period
                    on the form of Estoppel to be delivered, this
                    Agreement  shall be null and void and  of  no
                    further  force  and effect and Buyer's  First
                    (and  Second,  if  made)  Payment  shall   be
                    returned to Buyer.

                     (b)   On  or Before the closing date,  Buyer
               will  deposit  into  escrow:  the  Assignment  and
               Assumption  of Lease signed by Buyer; the  balance
               of  the purchase price when required under Section
               4;  any additional funds required to close escrow.
               Both  parties will sign and deliver to the  escrow
               holder any other documents reasonably required  by
               the escrow holder to close escrow.

                     (c)  On the closing date, if escrow is in  a
               position to close, the escrow holder will:  record
               the  deed  in the official records of  the  county
               where  the  Property is located; cause  the  title
               company  to  commit  to issue  the  title  policy;
               immediately deliver to Seller the portion  of  the
               purchase  price deposited into escrow by cashier's
               check   or   wire   transfer  (less   debits   and
               prorations, if any); deliver to Seller and Buyer a
               signed   counterpart   of  the   escrow   holder's
               certified  closing statement; and take  all  other
               actions necessary to close escrow.

      14.   DEFAULT.   If  Buyer defaults and  Seller  has  fully
performed  all obligations of Seller hereunder and satisfied  all
conditions  to  Closing  to be performed by  Seller,  Buyer  will
forfeit all rights and claims and Seller will be relieved of  all
obligations  and  will  be entitled as  its  sole  and  exclusive
remedy,  to  retain all monies heretofore paid by  the  Buyer  as
liquidated  damages,  actual  damages  being  difficult  if   not
impossible to calculate and the parties having made a good  faith
effort to determine the same.

      If Seller shall default, Buyer irrevocably waives any right
to file a lis pendens, a specific performance action or any other
claim,  action or proceeding of any type in connection  with  the
Property or this or any other transaction involving the Property,
and  will  not  do  anything to affect title to the  Property  or
hinder,  delay  or  prevent  any  other  sale,  lease  or   other
transaction involving the Property (any and all of which will  be
null  and  void),  unless:   it has paid  the  First  and  Second
Payment,   performed all of its other obligations  and  satisfied
all  conditions  under this Agreement within  the  required  time
periods, and unconditionally notified Seller that it stands ready
to  tender  full  performance, purchase the  Property  and  close
escrow  as per this Agreement, regardless of any alleged  default
or  misconduct by Seller.  Provided, however, that  in  no  event
shall  Seller  be  liable  for  any  punitive,  consequential  or
speculative  damages  arising  out  of  any  default  by   Seller
hereunder.  Upon a default by Seller hereunder, Buyer shall  have
the   right   to  enforce  an  action  in  equity  for   specific
performance,  sue for damages available at law or terminate  this
Agreement  by written notice to Seller and receive the  immediate
return of the First and Second Payment.



     15.  BUYER'S REPRESENTATIONS AND WARRANTIES.

     a.   Buyer represents and warrants to Seller as follows:

          (i)   In  addition to the acts and deeds recited herein
          and   contemplated  to  be  performed,  executed,   and
          delivered  by Buyer, Buyer shall perform, execute,  and
          deliver  or  cause  to  be  performed,  executed,   and
          delivered at the Closing or after the Closing, any  and
          all  further acts, deeds, and assurances as  Seller  or
          the  Title  Company may require and Buyer deems  to  be
          reasonable  in  order  to consummate  the  transactions
          contemplated herein.

          (ii)  Buyer  has all requisite power and  authority  to
          consummate   the  transaction  contemplated   by   this
          Agreement and has by proper proceedings duly authorized
          the  execution and delivery of this Agreement  and  the
          consummation of the transaction contemplated hereby.

          (iii)      To  Buyer's knowledge, neither the execution
          and delivery of this Agreement nor the consummation  of
          the transaction contemplated hereby will violate or  be
          in  conflict with (a) any applicable provisions of law,
          (ii)  any  order  of  any  court  or  other  agency  of
          government  having jurisdiction hereof,  or  (iii)  any
          agreement or instrument to which Buyer is a party or by
          which Buyer is bound.

     16.  DAMAGE, DESTRUCTION AND EMINENT DOMAIN.

                a.    If, prior to closing, the Property  or  any
          part  thereof be destroyed or further damaged by  fire,
          the  elements,  or  any cause, due to events  occurring
          subsequent   to  the  date  of  this  Agreement,   this
          Agreement shall become null and void, at Buyer's option
          exercised,  if  at  all, by written  notice  to  Seller
          within  ten (10) days after Buyer has received  written
          notice  from  Seller  of  said destruction  or  damage.
          Seller,  however,  shall have the right  to  adjust  or
          settle any insured loss until (i) all contingencies set
          forth  in  Paragraph 6 hereof have been  satisfied,  or
          waived; and (ii) any ten-day period provided for  above
          in   this  Subparagraph  16a  for  Buyer  to  elect  to
          terminate this Agreement has expired or Buyer  has,  by
          written  notice  to  Seller, waived  Buyer's  right  to
          terminate  this Agreement.  If Buyer elects to  proceed
          and  to consummate the purchase despite said damage  or
          destruction,  there  shall  be  no  reduction   in   or
          abatement  of  the  purchase price,  and  Seller  shall
          assign to Buyer the Seller's right, title, and interest
          in  and  to all insurance proceeds resulting from  said
          damage  or destruction to the extent that the same  are
          payable with respect to damage to the Property, and are
          so payable to Seller under the Caribou Coffee Lease.

                b.    If, prior to closing, the Property, or  any
          part   thereof,  is  taken  by  eminent  domain,   this
          Agreement  shall  become  null  and  void,  at  Buyer's
          option.   If  Buyer elects to proceed and to consummate
          the  purchase despite said taking, there  shall  be  no
          reduction in, or abatement of, the purchase price,  and
          Seller  shall  assign to Buyer all the Seller's  right,
          title  and interest in and to any award made, or to  be
          made, in the condemnation proceeding.

      In the event that this Agreement is terminated by Buyer  as
provided  above in Subparagraph 16a or 16b, the First and  Second
Payment  shall be immediately returned to Buyer (after  execution
by  Buyer  of  such documents reasonably requested by  Seller  to
evidence the termination hereof).

     17.  MISCELLANEOUS.

                     (a)  This Agreement may be amended only by a
               written agreement signed by both Seller and Buyer,
               and  all waivers must be in writing and signed  by
               the waiving party.

                     (b)  Time is of the essence.  This Agreement
               will  not  be  construed for or  against  a  party
               whether  or  not  that  party  has  drafted   this
               agreement.   If there is any action or  proceeding
               between the parties relating to this Agreement the
               prevailing  party  will  be  entitled  to  recover
               attorney's  fees and costs.  This is an integrated
               agreement containing all agreements of the parties
               about   the   Property  and  the   other   matters
               described,  and it supersedes any other agreements
               or  understandings.   Exhibits  attached  to  this
               Agreement are incorporated into this Agreement.

                     (c)  If this escrow has not closed by thirty
               (30)  days  after  the end of  the  Due  Diligence
               Period,  through  no fault of Seller,  Seller  may
               either, at its election, extend the closing  date,
               exercise  any remedy available to it  by  law,  or
               terminate  this  Agreement and  return  all  funds
               theretofore paid by Buyer.

                     (d)   Funds to be deposited or paid by Buyer
               will  be good and clear funds in the form of cash,
               cashier's  checks  or wire transfers.   All  funds
               deposited  into  escrow and  held  by  the  escrow
               holder   will   be  held  in  an  interest-bearing
               account.   Interest on the funds in  this  account
               will  accrue  for Buyer's benefit,  but  if  Buyer
               defaults,   interest  will  accrue  for   Seller's
               benefit.

                     (e)   All notices from either of the parties
               hereto to the other shall be in writing and  shall
               be considered to have been duly given or served if
               sent by first class certified mail, return receipt
               requested,  postage prepaid, or  by  a  nationally
               recognized courier service guaranteeing  overnight
               delivery,  to the party at his or its address  set
               forth  below,  or  to such other address  as  such
               party may hereafter designate by written notice to
               the other party.

               If to Seller:

                  Attention:  Robert P. Johnson
                              AEI Fund Management, Inc.
                              1300 Minnesota World Trade Center
                              Saint Paul, Minnesota  55101
                              Facsimile: (651) 227-7705
               If to Buyer:

                   Attention: Ralph H. Falls, III CCIM
                              320 South Tryon Street
                              Suite 202
                              Charlotte, North Carolina  28202
                              Facsimile: (704) 333-6092

                    (f)  Further Conditions to Closing:

                                   i)   Seller has complied with
                         and otherwise performed each of the
                         covenants and obligations of Seller set
                         forth herein;

                                   ii)  No adverse change to the
                         title or to the environmental condition
                         of the Property occurs after the Due
                         Diligence Period.

                    (g)  All representations, warranties and
               covenants contained herein shall, as applicable,
               survive the Closing and delivery of the deed for a
               period of one (1) year.

                    (h)  This Agreement shall be governed by end
               construed in accordance with the laws of the State
               of North Carolina.

                    (i)  This Agreement may be executed in
               multiple counterparts, each of which shall be an
               original copy and together which shall constitute
               one instrument.

                    (j)  Buyer intends to effect a tax-deferred
               exchange under Section 1031 of the Internal
               Revenue Code in connection with the purchase of
               the Property and Seller agrees to cooperate with
               Buyer in carrying out said exchange; provided
               that, seller shall not be responsible for any
               costs associated therewith or assume any
               liabilities in connection therewith.  Seller
               agrees to execute such additional documents as may
               be required to give effect to this provision.



      When accepted, this offer will be a binding agreement for
valid and sufficient consideration which will bind and benefit
Buyer, Seller and their respective successors and assigns.  Buyer
is submitting this offer by signing a copy of this offer and
delivering it to Seller along with the $5,000 First Payment,
which, if accepted, will be deposited into escrow by Seller.
Seller has five (5) business days within which to accept this
offer.

     IN WITNESS WHEREOF, the Seller and Buyer have executed this
Agreement effective as of the day and year first above written.

BUYER:    BOULEVARD EAST, LLC
          By: /s/ Ralph H Falls
          Its: Manager





Accepted and agreed this ______ day of September, 1999.

SELLER:   AEI INCOME & GROWTH FUND XXI LIMITED PARTNERSHIP, a
          Minnesota limited partnership

               By: AEI Fund Management XXI, Inc., its
               corporate general partner

               By:  /s/ Robert P Johnson
                        Robert P. Johnson, President

          AEI INSTITUTIONAL NET LEASE FUND `93 LIMITED PARTNERSHIP

          By:  AEI Fund Management XVIII, Inc.

          By:  /s/ Robert P Johnson
                   Robert P. Johnson, President



                           EXHIBIT A


     Being all of Lots 1, 2, and 3, Garden Terrace Subdivision,
as shown on plat recorded in book of Maps 332, Page 339,
Mecklenburg County Registry, North Carolina.


                       PURCHASE AGREEMENT
               Arby's Restaurant - Montgomery, AL

This AGREEMENT, entered into effective as of the 29 of September,
1999.

l.  PARTIES.  Seller  is  AEI Income & Growth  Fund  XXI  Limited
Partnership which owns an undivided  24.2425% interest in the fee
title  to  that  certain real property legally described  in  the
attached  Exhibit "A" (the "Entire Property")  Buyer is Beryl  B.
Barrett,  Trustee  of  The  Barrett Family  Trust  Dated  4-14-94
("Buyer").  Seller  wishes to sell and  Buyer  wishes  to  buy  a
portion  of  Seller's  tenant in common interest  in  the  Entire
Property.

2. PROPERTY. The Property to be sold to Buyer in this transaction
consists    of   an   undivided   21.5614   percentage   interest
(hereinafter, simply the "Property") as Tenant in Common  in  the
Entire Property.

3.  PURCHASE  PRICE  .  The purchase price  for  this  percentage
interest in the Entire Property is $250,000, all cash.

4.  TERMS.  The purchase price for the Property will be  paid  by
Buyer as follows:

     (a)  When this agreement is executed, Buyer will pay  $5,000
     to Seller (which shall be deposited into escrow according to
     the  terms hereof) (the "First Payment"). The First  Payment
     will  be  credited against the purchase price  when  and  if
     escrow closes and the sale is completed.

     (b)  Buyer  will deposit the balance of the purchase  price,
     $245,000  (the  "Second Payment") into escrow in  sufficient
     time to allow escrow to close on the closing date.

5.  CLOSING  DATE.  Escrow shall close on or before  October  30,
1999.   Close of escrow is contingent on the closing of the  sale
of  315 South 100 West, Logan Utah and 120 West 300 South,  Logan
Utah .

6.  DUE  DILIGENCE. Buyer will have until the expiration  of  the
tenth  business day (The "Review Period") after delivery of  each
of  following items, to be supplied by Seller, to conduct all  of
its  inspections  and due diligence and satisfy itself  regarding
each  item, the Property, and this transaction.  Buyer agrees  to
indemnify and hold Seller harmless for any loss or damage to  the
Entire  Property or persons caused by Buyer or its agents arising
out of such physical inspections of the Entire Property.

     (a)   The  original  and  one  copy  of  a  title  insurance
     commitment  for  an  Owner's  Title  insurance  policy  (see
     paragraph 8 below).

     (b)  A  copy  of  a Certificate of Occupancy or  other  such
     document  certifying completion and granting  permission  to
     permanently  occupy the improvements on the Entire  Property
     as are in Seller's possession.

     (c)  A  copy of an "as built" survey of the Entire  Property
     done concurrent with Seller's acquisition of the Property.

     (d) Lease (as further set forth in paragraph 11(a) below) of
     the Entire Property showing occupancy date, lease expiration
     date,  rent,  and  Guarantys, if any,  accompanied  by  such
     tenant  financial statements as may have been provided  most
     recently to Seller by the Tenant and/or Guarantors.




     Buyer Initial: /s/ BB
     Purchase Agreement for Arby's Restaurant - Montgomery, AL


     It is a contingency upon Seller's obligations hereunder that
two  (2)  copies  of  Co-Tenancy Agreement in the  form  attached
hereto  duly  executed by Buyer and Seller and  dated  on  escrow
closing date be delivered to the Seller on the closing date.

      Buyer may cancel this agreement for ANY REASON in its  sole
discretion  by delivering a cancellation notice, via first  class
mail,  return  receipt  requested, to Seller  and  escrow  holder
before the expiration of the Review Period. Such notice shall  be
deemed  effective only upon receipt by Seller.  If this Agreement
is  not cancelled as set forth above, the First Payment shall  be
non-refundable unless Seller shall default hereunder.

      If  Buyer  cancels this Agreement as permitted  under  this
Section,  except  for  any  escrow  cancellation  fees  and   any
liabilities  under  the first paragraph of  sections  6  of  this
agreement  (which will survive), Buyer (after execution  of  such
documents   reasonably  requested  by  Seller  to  evidence   the
termination  hereof)  shall be returned its  First  Payment,  and
Buyer  will have absolutely no rights, claims or interest of  any
type  in  connection  with  the  Property  or  this  transaction,
regardless of any alleged conduct by Seller or anyone else.

      Unless this Agreement is canceled by Buyer pursuant to  the
terms  hereof, if Buyer fails to make the Second Payment,  Seller
shall   be  entitled  to  retain  the  First  Payment  and  Buyer
irrevocably will be deemed to be in default under this Agreement.
Seller  may, at its option, retain the First Payment and  declare
this Agreement null and void, in which event Buyer will be deemed
to  have canceled this Agreement and relinquish all rights in and
to  the  Property or Seller may exercise its rights under Section
14  hereof.   If  this Agreement is not canceled and  the  Second
Payment  is  made  when required, all of Buyer's  conditions  and
contingencies will be deemed satisfied.

7.  ESCROW. Escrow shall be opened by Seller and funds  deposited
in  escrow upon acceptance of this agreement by both parties. The
escrow  holder  will  be a nationally-recognized  escrow  company
selected by Seller. A copy of this Agreement will be delivered to
the  escrow holder and will serve as escrow instructions together
with the escrow holder's standard instructions and any additional
instructions required by the escrow holder to clarify its  rights
and  duties  (and  the  parties agree to  sign  these  additional
instructions).  If  there  is any conflict  between  these  other
instructions and this Agreement, this Agreement will control.

8.   TITLE.  Closing will be conditioned on the commitment  of  a
title  company selected by Seller to issue an Owner's  policy  of
title  insurance, dated as of the close of escrow, in  an  amount
equal  to  the  purchase  price, insuring  that  Buyer  will  own
insurable  title  to  the Property subject  only  to:  the  title
company's  standard exceptions;  current real property taxes  and
assessments;  survey  exceptions;  the  rights  of   parties   in
possession pursuant to the lease defined in paragraph  11  below;
and  other  items of record disclosed to Buyer during the  Review
Period.

      Buyer shall be allowed ten (10) days after receipt of  said
commitment  for examination and the making of any  objections  to
marketability thereto, said objections to be made in  writing  or
deemed  waived.  If any objections are so made, the Seller  shall
be  allowed eighty (80) days to make such title marketable or  in
the  alternative  to  obtain  a commitment  for  insurable  title
insuring over Buyer's objections.  If Seller shall decide to make
no  efforts to make title marketable, or is unable to make  title
marketable or obtain insurable title, (after execution  by  Buyer
of  such documents reasonably requested by Seller to evidence the
termination  hereof) Buyer's First Payment shall be returned  and
this Agreement shall be null and void and of no further force and
effect.  Seller has no obligation to spend any funds or make  any
effort to satisfy Buyer's objections if any.


Buyer Initial: /s/ BB
Purchase Agreement for Arby's Restaurant - Montgomery, AL




      Pending  satisfaction of Buyer's objections,  the  payments
hereunder  required shall be postponed, but upon satisfaction  of
Buyer's objections and within ten (10) days after written  notice
of  satisfaction of Buyer's objections to the Buyer, the  parties
shall perform this Agreement according to its terms.

9.   CLOSING COSTS.  Seller will pay one-half of escrow fees, the
cost  of  the  title  commitment and  any  brokerage  commissions
payable.   The  Buyer  will pay the cost of  issuing  a  Standard
Owners  Title Insurance Policy in the full amount of the purchase
price,  if  Buyer shall decide to purchase the same.  Buyer  will
pay all recording fees, one-half of the escrow fees, and the cost
of an update to the Survey in Sellers possession (if an update is
required by Buyer.)  Each party will pay its own attorney's  fees
and costs to document and close this transaction.

10.  REAL ESTATE TAXES, SPECIAL ASSESSMENTS AND PRORATIONS.

     (a)  Because the Entire Property (of which the Property is a
     part) is subject to a triple net lease (as further set forth
     in  paragraph 11(a)(i), the parties acknowledge  that  there
     shall  be no need for a real estate tax proration.  However,
     Seller  represents  that to the best of its  knowledge,  all
     real  estate  taxes and installments of special  assessments
     due  and  payable in all years prior to the year of  Closing
     have been paid in full.  Unpaid real estate taxes and unpaid
     levied and pending special assessments existing on the  date
     of  Closing shall be the responsibility of Buyer and  Seller
     in   proportion  to  their  respective  Tenant   in   Common
     interests,  pro-rated, however, to the date of  closing  for
     the   period   prior  to  closing,  which   shall   be   the
     responsibility of Seller if Tenant shall not pay  the  same.
     Seller  and  Buyer  shall likewise pay  all  taxes  due  and
     payable   in   the  year  after  Closing  and   any   unpaid
     installments  of special assessments payable  therewith  and
     thereafter,  if  such  unpaid  levied  and  pending  special
     assessments and real estate taxes are not paid by any tenant
     of the Entire Property.

     (b)   All income and all operating expenses from the  Entire
     Property  shall be prorated between the parties and adjusted
     by them as of the date of Closing.  Seller shall be entitled
     to  all  income  earned  and shall be  responsible  for  all
     expenses  incurred prior to the date of Closing,  and  Buyer
     shall  be entitled to its proportionate share of all  income
     earned and shall be responsible for its proportionate  share
     of all operating expenses of the Entire Property incurred on
     and after the date of closing.

11.  SELLER'S REPRESENTATION AND AGREEMENTS.

     (a)  Seller represents and warrants as of this date that:

      (i)   Except for the lease in existence between AEI  Income
and  Growth  Fund XXI Limited   Partnership and AEI Institutional
Net  Lease Fund '93 Limited Partnership (as "Landlord")       and
RTM Gulf Coast, Inc. ("Tenant") dated May 31, 1995, Seller is not
aware  of  any    leases of the Property.  The  above  referenced
lease  agreement has a first right of refusal in   favor  of  the
Tenant as set forth in Article 35 of said lease agreement,  which
right shall    apply to any attempted disposition of the Property
by  Buyer after this transaction.  The   above lease also has  an
option to purchase in favor of the tenant as set forth in article
34   of said lease.

     (ii)   It  is  not  aware  of  any  pending  litigation   or
     condemnation  proceedings against the Property  or  Seller's
     interest in the Property.

     (iii)   Except  as  previously disclosed  to  Buyer  and  as
     permitted in paragraph (b) below, Seller is not aware of any
     contracts Seller has executed that would be binding on Buyer
     after the closing date.



     Buyer Initial: /s/ BB
     Purchase Agreement for Arby's Restaurant - Montgomery, AL


     (b)   Provided  that  Buyer performs  its  obligations  when
     required, Seller agrees that it will not enter into any  new
     contracts that would materially affect the Property  and  be
     binding  on  Buyer  after the Closing Date  without  Buyer's
     prior  consent,  which  will not be  unreasonably  withheld.
     However,  Buyer acknowledges that Seller retains  the  right
     both  prior to and after the Closing Date to freely transfer
     all or a portion of Seller's remaining undivided interest in
     the  Entire Property, provided such sale shall not  encumber
     the  Property being purchased by Buyer in violation  of  the
     terms hereof or the contemplated Co-Tenancy Agreement.

12.  DISCLOSURES.

     (a)   Seller  has not received any notice of  any  material,
     physical,  or  mechanical defects of  the  Entire  Property,
     including  without  limitation, the plumbing,  heating,  air
     conditioning, ventilating, electrical system. To the best of
     Seller's  knowledge without inquiry, all such items  are  in
     good  operating condition and repair and in compliance  with
     all  applicable  governmental, zoning, and  land  use  laws,
     ordinances,  regulations and requirements.  If Seller  shall
     receive any notice to the contrary prior to Closing,  Seller
     will inform Buyer prior to Closing.

     (b)   Seller  has not received any notice that the  use  and
     operation  of the Entire Property is not in full  compliance
     with  applicable building codes, safety, fire,  zoning,  and
     land use laws, and other applicable local, state and federal
     laws,  ordinances, regulations and requirements.  If  Seller
     shall  receive any notice to the contrary prior to  Closing,
     Seller will inform Buyer prior to Closing.

     (c)   Seller  knows  of no facts nor has  Seller  failed  to
     disclose  to  Buyer  any fact known to  Seller  which  would
     prevent  the  Tenant  from using and  operating  the  Entire
     Property after the Closing in the manner in which the Entire
     Property  has been used and operated prior to  the  date  of
     this  Agreement.  If Seller shall receive any notice to  the
     contrary prior to Closing, Seller will inform Buyer prior to
     Closing.

     (d)   Seller  has  not received any notice that  the  Entire
     Property is in violation of any federal, state or local law,
     ordinance, or regulations relating to industrial hygiene  or
     the  environmental conditions on, under, or about the Entire
     Property,   including,  but  not  limited  to,   soil,   and
     groundwater conditions.  To the best of Seller's  knowledge,
     there  is  no  proceeding  or inquiry  by  any  governmental
     authority   with  respect  to  the  presence  of   Hazardous
     Materials  on  the  Entire  Property  or  the  migration  of
     Hazardous Materials from or to other property.  Buyer agrees
     that  Seller will have no liability of any type to Buyer  or
     Buyer's  successors,  assigns, or affiliates  in  connection
     with  any  Hazardous Materials on or in connection with  the
     Entire  Property  either before or after the  Closing  Date,
     except such Hazardous Materials on or in connection with the
     Entire Property arising out of Seller's gross negligence  or
     intentional misconduct.  If Seller shall receive any  notice
     to  the contrary prior to Closing, Seller will inform  Buyer
     prior to Closing.

     (e)   Buyer agrees that it shall be purchasing the  Property
     in  its  then present condition, as is, where is, and Seller
     has  no  obligations to construct or repair any improvements
     thereon  or to perform any other act regarding the Property,
     except as expressly provided herein.

     (f)    Buyer  acknowledges  that,  having  been  given   the
     opportunity  to  inspect  the  Entire  Property   and   such
     financial  information on the Lessee and Guarantors  of  the
     Lease as Buyer or its advisors shall request, if in Seller's
     possession, Buyer is relying solely on its own investigation
     of  the  Property  and  not on any information  provided  by
     Seller or to be provided except as set forth herein.   Buyer
     further acknowledges that the information provided and to be
     provided by Seller with respect to the Property, the  Entire
     Property



     Buyer Initial: /s/ BB
     Purchase Agreement for Arby's Restaurant - Montgomery, AL



     and  to the Lessee and Guarantors of Lease was obtained from
     a  variety  of  sources  and Seller  neither  (a)  has  made
     independent   investigation   or   verification   of    such
     information,  or  (b) makes any representations  as  to  the
     accuracy  or  completeness  of such  information  except  as
     herein set forth.  The sale of the Property as provided  for
     herein  is  made  on an "AS IS" basis, and  Buyer  expressly
     acknowledges  that, in consideration of  the  agreements  of
     Seller  herein,  except  as otherwise  specified  herein  in
     paragraph 11(a) and (b) above and this paragraph 12,  Seller
     makes no Warranty or representation, Express or Implied,  or
     arising by operation of law, including, but not limited  to,
     any  warranty  of  condition,  habitability,  tenantability,
     suitability  for  commercial purposes,  merchantability,  or
     fitness  for  a  particular  purpose,  in  respect  of   the
     Property.

     The provisions (d) - (f) above shall survive Closing.

13.  CLOSING.

     (a)   Before  the  closing date, Seller  will  deposit  into
     escrow  an  executed special warranty deed warranting  title
     against  lawful  claims by, through, or under  a  conveyance
     from   Seller,  but  not  further  or  otherwise,  conveying
     insurable  title of the Property to Buyer,  subject  to  the
     exceptions contained in paragraph 8 above.

     (b)   On or before the closing date, Buyer will deposit into
     escrow:  the  balance  of the purchase price  when  required
     under  Section  4; any additional funds required  of  Buyer,
     (pursuant to this agreement or any other agreement  executed
     by  Buyer)  to  close escrow.  Both parties  will  sign  and
     deliver  to the escrow holder any other documents reasonably
     required by the escrow holder to close escrow.

     (c)   On  the  closing date, if escrow is in a  position  to
     close,  the  escrow  holder will: record  the  deed  in  the
     official  records  of  the  county  where  the  Property  is
     located;  cause  the title company to commit  to  issue  the
     title  policy; immediately deliver to Seller the portion  of
     the  purchase price deposited into escrow by cashier's check
     or  wire  transfer  (less debits and  prorations,  if  any);
     deliver  to  Seller  and Buyer a signed counterpart  of  the
     escrow  holder's certified closing statement  and  take  all
     other actions necessary to close escrow.

14.   DEFAULTS.  If Buyer defaults, Buyer will forfeit all rights
and  claims  and  Seller will be relieved of all obligations  and
will  be  entitled to retain all monies heretofore  paid  by  the
Buyer.   In  addition, Seller shall retain all remedies available
to Seller at law or in equity.

     If Seller shall default, Buyer irrevocably waives any rights
to file a lis pendens, a specific performance action or any other
claim,  action or proceeding of any type in connection  with  the
Property or this or any other transaction involving the Property,
and  will  not  do  anything to affect title to the  Property  or
hinder,  delay  or  prevent  any  other  sale,  lease  or   other
transaction involving the Property (any and all of which will  be
null  and void), unless: it has paid the First Payment, deposited
the  balance  of the Second Payment for the purchase  price  into
escrow, performed all of its other obligations and satisfied  all
conditions  under  this  Agreement, and unconditionally  notified
Seller  that it stands ready to tender full performance, purchase
the  Property and close escrow as per this Agreement,  regardless
of  any  alleged  default  or misconduct  by  Seller.   Provided,
however, that in no event shall Seller be liable for any  actual,
punitive, consequential or speculative damages arising out of any
default by Seller hereunder.

15.  BUYER'S REPRESENTATIONS AND WARRANTIES.

     a.  Buyer represents and warrants to Seller as follows:



     Buyer Initial: /s/ BB
     Purchase Agreement for Arby's Restaurant - Montgomery, AL


     (i)   In  addition to the acts and deeds recited herein  and
     contemplated  to  be performed, executed, and  delivered  by
     Buyer, Buyer shall perform, execute and deliver or cause  to
     be  performed,  executed, and delivered at  the  Closing  or
     after  the  Closing,  any and all further  acts,  deeds  and
     assurances as Seller or the Title Company may require and be
     reasonable   in   order  to  consummate   the   transactions
     contemplated herein.

     (ii)   Buyer  has  all  requisite  power  and  authority  to
     consummate  the  transaction contemplated by this  Agreement
     and  has by proper proceedings duly authorized the execution
     and  delivery of this Agreement and the consummation of  the
     transaction contemplated hereby.

     (iii)   To  Buyer's  knowledge, neither  the  execution  and
     delivery  of  this  Agreement nor the  consummation  of  the
     transaction  contemplated  hereby  will  violate  or  be  in
     conflict with (a) any applicable provisions of law, (b)  any
     order  of  any  court or other agency of  government  having
     jurisdiction  hereof, or (c) any agreement or instrument  to
     which Buyer is a party or by which Buyer is bound.

16.  DAMAGES, DESTRUCTION AND EMINENT DOMAIN.

     (a)   If, prior to closing, the Property or any part thereof
     should  be  destroyed  or  further  damaged  by  fire,   the
     elements,  or any cause, due to events occurring  subsequent
     to the date of this Agreement to the extent that the cost of
     repair exceeds $10,000.00, this Agreement shall become  null
     and void, at Buyer's option exercised, if at all, by written
     notice  to  Seller  within ten (10)  days  after  Buyer  has
     received  written notice from Seller of said destruction  or
     damage.  Seller, however, shall have the right to adjust  or
     settle  any  insured  loss until (i) all  contingencies  set
     forth  in Paragraph 6 hereof have been satisfied, or waived;
     and  (ii)  any  ten-day period provided for  above  in  this
     Subparagraph  16a  for  Buyer to  elect  to  terminate  this
     Agreement  has  expired or Buyer has, by written  notice  to
     Seller,  waived  Buyer's right to terminate this  Agreement.
     If  Buyer  elects to proceed and to consummate the  purchase
     despite  said  damage  or destruction,  there  shall  be  no
     reduction in or abatement of the purchase price, and  Seller
     shall  assign  to  Buyer  the  Seller's  right,  title,  and
     interest  in  and  to  all insurance proceeds  (pro-rata  in
     relation to the Entire Property) resulting from said  damage
     or  destruction to the extent that the same are payable with
     respect to damage to the Property, subject to rights of  any
     Tenant of the Entire Property.

     If  the cost of repair is less than $10,000.00, Buyer  shall
     be  obligated  to  otherwise  perform  hereinunder  with  no
     adjustment  to  the Purchase Price, reduction or  abatement,
     and  Seller shall assign Seller's right, title and  interest
     in and to all insurance proceeds pro-rata in relation to the
     Entire  Property,  subject to rights of any  Tenant  of  the
     Entire Property.

     (b)   If,  prior  to  closing, the  Property,  or  any  part
     thereof,  is  taken by eminent domain, this Agreement  shall
     become null and void, at Buyer's option.  If Buyer elects to
     proceed  and to consummate the purchase despite said taking,
     there  shall  be  no  reduction in,  or  abatement  of,  the
     purchase  price,  and  Seller  shall  assign  to  Buyer  the
     Seller's  right,  title, and interest in and  to  any  award
     made, or to be made, in the condemnation proceeding pro-rata
     in relation to the Entire Property, subject to rights of any
     Tenant of the Entire Property.

      In the event that this Agreement is terminated by Buyer  as
provided  above  in  Subparagraph 16a or 16b, the  First  Payment
shall  be immediately returned to Buyer (after execution by Buyer
of  such documents reasonably requested by Seller to evidence the
termination hereof).


17.  BUYER'S 1031 TAX FREE EXCHANGE.



Buyer Initial: /s/ BB
Purchase Agreement for Arby's Restaurant - Montgomery, AL


      While  Seller  acknowledges that Buyer  is  purchasing  the
Property  as  "replacement property" to  accomplish  a  tax  free
exchange,   Buyer   acknowledges  that   Seller   has   made   no
representations,  warranties, or agreements to Buyer  or  Buyer's
agents  that  the transaction contemplated by the Agreement  will
qualify  for such tax treatment, nor has there been any  reliance
thereon by Buyer respecting the legal or tax implications of  the
transactions contemplated hereby.  Buyer further represents  that
it has sought and obtained such third party advice and counsel as
it  deems  necessary in regards to the tax implications  of  this
transaction.

      Buyer  wishes  to  novate/assign the ownership  rights  and
interest  of  this Purchase Agreement to Starker  Services,  Inc.
which  will  act as Accommodator to perfect the 1031 exchange  by
preparing  an  agreement  of exchange of  Real  Property  whereby
Starker  Services,  Inc.  will  be  an  independent  third  party
purchasing the ownership interest in subject property from Seller
and  selling the ownership interest in subject property to  Buyer
under  the  same  terms  and conditions  as  documented  in  this
Purchase Agreement.  Buyer asks the Seller, and Seller agrees  to
cooperate  in  the  perfection of  such  an  exchange  if  at  no
additional  cost or expense to Seller or delay  in  time.   Buyer
hereby  indemnifies  and holds Seller harmless  from  any  claims
and/or  actions  resulting from said exchange.  Pursuant  to  the
direction  of  Starker  Services,  Inc.,  Seller  will  deed  the
Property to Buyer.

18. CANCELLATION

     If  any party elects to cancel this Contract because of  any
     breach by another party or because escrow fails to close  by
     the  agreed date, the party electing to cancel shall deliver
     to escrow agent a notice containing the address of the party
     in  breach and stating that this Contract shall be cancelled
     unless  the  breach  is cured within 13 days  following  the
     delivery  of  the notice to the escrow agent.  Within  three
     days  after  receipt of such notice, the escrow agent  shall
     send it by United States Mail to the party in breach at  the
     address contained in the Notice and no further notice  shall
     be  required. If the breach is not cured within the 13  days
     following  the  delivery of the notice to the escrow  agent,
     this Contract shall be cancelled.

19. MISCELLANEOUS.

     (a)  This Agreement may be amended only by written agreement
     signed by both Seller and Buyer, and all waivers must be  in
     writing  and signed by the waiving party.  Time  is  of  the
     essence.   This  Agreement  will not  be  construed  for  or
     against  a party whether or not that party has drafted  this
     Agreement.  If there is any action or proceeding between the
     parties relating to this Agreement the prevailing party will
     be  entitled to recover attorney's fees and costs.  This  is
     an  integrated  agreement containing all agreements  of  the
     parties  about the Property and the other matters described,
     and  it  supersedes any other agreements or  understandings.
     Exhibits  attached  to this Agreement are incorporated  into
     this Agreement.

     (b)   If  this  escrow has not closed by October  30,  1999,
     through  no  fault  of Seller, Seller  may  either,  at  its
     election,  extend  the closing date or exercise  any  remedy
     available   to   it  by  law,  including  terminating   this
     Agreement.

     (c)  Funds to be deposited or paid by Buyer must be good and
     clear  funds in the form of cash, cashier's checks  or  wire
     transfers.

     (d)   All notices from either of the parties hereto  to  the
     other  shall be in writing and shall be considered  to  have
     been  duly  given or served if sent by first class certified
     mail,  return receipt requested, postage prepaid,  or  by  a
     nationally recognized courier service guaranteeing overnight
     delivery to the party at his or its address set forth below,
     or  to  such  other  address  as such  party  may  hereafter
     designate by written notice to the other party.



     Buyer Initial: /s/ BB
     Purchase Agreement for Arby's Restaurant - Montgomery, AL


     If to Seller:

          Attention:  Robert P. Johnson
          AEI Income & Growth Fund XXI Limited Partnership
          1300 Minnesota World Trade Center
          30 E. 7th Street
          St. Paul, MN  55101

     If to Buyer:

          Beryl B. Barrett, Trustee
          The Barrett Family Trust
          Dated 4-14-94
          177 Boynton Road
          Layton, UT  84040

      When  accepted, this offer will be a binding agreement  for
valid  and  sufficient consideration which will bind and  benefit
Buyer, Seller and their respective successors and assigns.  Buyer
is  submitting  this offer by signing a copy of  this  offer  and
delivering it to Seller.  Seller has five (5) business days  from
receipt within which to accept this offer.

      IN WITNESS WHEREOF, the Seller and Buyer have executed this
Agreement effective as of the day and year above first written.

BUYER:    The Barrett Family Trust Dated 4-14-94

          By: /s/ Beryl B Barrett, Trustee
                  Beryl B. Barrett, Trustee



SELLER:   AEI Income & Growth Fund XXI Limited Partnership
          By: AEI  Fund  Management XXI, Inc.,  its  corporate
              general partner

          By: /s/ Robert P Johnson
                  Robert P. Johnson, President





     Buyer Initial: /s/ BB
     Purchase Agreement for Arby's Restaurant - Montgomery, AL





                         EXHIBIT "A"



     Commencing at the Northeast corner of the Southeast  Quarter
     of  the  Southwest Quarter of Section 16, Township 16 North,
     Range  18 East, Montgomery City and County, Alabama,  thence
     West a distance of 535.66 feet, thence North 328.83 feet  to
     the  Southwest corner of Lot 1-T, of the Taco Bell Plat  No.
     3,  Zelda Road as recorded in the Montgomery County  Probate
     Office, said point being on the curve of the Norterly  right
     of  way  of Zelda Roas, said curve having a radius of 392.86
     feet,  a  central angle of 30 13' 45" and a chord of  204.88
     feet  with  a  chord  bearing of S  59  16'  00"  E,  thence
     southeasterly  along said curve to the end  of  said  curve,
     said  point being the Southeast corner of said Lot 1-T, also
     being  the point of beginning.  Thence N 39 28' 53" E,  from
     the  point of beginning along the southeasterly line of said
     Lot  1-T, a distance of 152.21 feet to an iron pin found  on
     the  southerly  right  of  way of Interstate  Hiwhway  I-85;
     thence  S 52 30' 39" E, along the southerly right of way  of
     Interstate Highway I-85 a distance of 311.90 feet to a found
     iron pin; thence S 74 07' 41" W a distance of 270.89 feet to
     a  found  iron  pin on the northerly right of way  of  Zelda
     Road; thence N 20 20' 05" W along the Northerly right of way
     of  Zelda Road a distance of 28.41 feet to the beginning  of
     the  curve of the northerly right of way of Zelda Road, said
     curve having a radius of 392.86 feet, a central angle of  20
     38' 00" and a chord of 140.71 feet with a chord bearing of N
     31  38' 47" W; thence Northwesterly along said curve to  the
     end of said curve, said point being the southeast corner  of
     said  Lot  1-T, and also being the point of beginning.   The
     said  tract  of land is located in the Northeast Quarter  of
     the  Southwest  Quarter of Section 16,  Township  16  North,
     Range 18 East, Montgomery City and County, Alabama.




                       PROPERTY CO-TENANCY
                       OWNERSHIP AGREEMENT
              (Arby's Restaurant - Montgomery, AL)


THIS CO-TENANCY AGREEMENT,

Made and entered into as of the 22nd day of October, 1999, by and
between  Beryl  B. Barrett, Trustee of The Barrett  Family  Trust
Dated  4-14-94,  (hereinafter called "Barrett") and AEI Income  &
Growth  Fund  XXI Limited Partnership (hereinafter  called  "Fund
XXI")  Barrett, Fund XXI (and any other Owner in  Fee  where  the
context  so  indicates) being hereinafter sometimes  collectively
called "Co-Tenants" and referred to in the neuter gender).
WITNESSETH:

WHEREAS, Fund XXI presently owns an undivided 2.6811% interest in
and to,and Barrett owns an undivided 21.5614% interest in and to,
and  VTA  owns  an undivided 21.5614% interest in  and  to,   and
Roland  Terry owns an undivided 20.3540% interest in and  to  and
the  Catharine  C.  Whittenburg  Testamentary  Trust  for  J.  A.
Whittenburg  IV  or Assigns presently owns an undivided  21.5614%
interest  in and to, and the Cheung Living Trust Dated  July  27,
1989 presently owns an undivided 12.2807% interest in and to  the
land,  situated in the City of Montgomery, County of  Montgomery,
and  State  of  AL,  (legally described upon Exhibit  A  attached
hereto  and  hereby  made  a  part hereof)  and  in  and  to  the
improvements located thereon (hereinafter called "Premises");

WHEREAS,  The  parties  hereto wish to provide  for  the  orderly
operation  and management of the Premises and Barrett's  interest
by  Fund XXI; the continued leasing of space within the Premises;
for  the distribution of income from and the pro-rata sharing  in
expenses of the Premises.

NOW THEREFORE, in consideration of the purchase by Barrett of  an
undivided  interest  in and to the Premises,  for  at  least  One
Dollar  ($1.00) and other good and valuable consideration by  the
parties  hereto  to  one another in hand paid,  the  receipt  and
sufficiency of which are hereby acknowledged, and of  the  mutual
covenants and agreements herein contained, it is hereby agreed by
and between the parties hereto, as follows:

1.    The  operation  and  management of the  Premises  shall  be
delegated  to  Fund XXI, or its designated agent,  successors  or
assigns.  Provided, however, if Fund XXI shall sell  all  of  its
interest in the Premises, the duties and obligations of Fund  XXI
respecting  management  of  the Premises  as  set  forth  herein,
including but not limited to paragraphs 2, 3, and 4 hereof, shall
be exercised by the holder or holders of a majority undivided co-
tenancy interest in the Premises. Except as hereinafter expressly
provided to the contrary, each of the parties hereto agrees to be
bound  by  the  decisions  of  Fund  XXI  with  respect  to   all
administrative,  operational  and  management  matters   of   the
property  comprising the Premises, including but not  limited  to
the  management  of  the net lease agreement  for  the  Premises.
Barrett  hereto  hereby  designates Fund  XXI  as  its  sole  and
exclusive agent to deal with, and Fund XXI retains the sole right
to  deal with, any property agent or tenant and to negotiate  and
enter  into,  on terms and provisions satisfactory to  Fund  XXI,
monitor, execute and enforce the terms of leases of space  within
the  Premises,  including  but not  limited  to  any  amendments,
consents  to  assignment, sublet, releases  or  modifications  to
leases  or  guarantees  of  lease  or  easements  affecting   the
Premises,  on  behalf  of Barrett As long as  Fund  XXI  owns  an
interest in the Premises, only Fund XXI may obligate Barrett with
respect to any expense for the Premises.

As  further set forth in paragraph 2 hereof, Fund XXI  agrees  to
require  any lessee of the Premises to name Barrett as an insured
or  additional insured in all insurance policies provided for, or
contemplated  by, any lease on the Premises. Fund XXI  shall  use
its best efforts to obtain




Co-Tenant Initial: /s/ BB
Co-Tenancy Agreement for Arby's - Montgomery, AL



endorsements  adding  Co-Tenants to  said  policies  from  lessee
within  30 days of commencement of this agreement. In any  event,
Fund  XXI shall distribute any insurance proceeds it may receive,
to  the extent consistent with any lease on the Premises, to  the
Co-Tenants  in  proportion to their respective ownership  of  the
Premises.

2.    Income and expenses shall be allocated among the Co-Tenants
in  proportion to their respective share(s) of ownership.  Shares
of  net income shall be pro-rated for any partial calendar  years
included  within the term of this Agreement. Fund XXI may  offset
against, pay to itself and deduct from any payment due to Barrett
under  this  Agreement,  and may pay  to  itself  the  amount  of
Barrett's share of any reasonable expenses of the Premises  which
are  not  paid by Barrett to Fund XXI or its assigns, within  ten
(10)  days  after  demand by Fund XXI.  In  the  event  there  is
insufficient  operating  income from which  to  deduct  Barrett's
unpaid  share of operating expenses, Fund XXI may pursue any  and
all legal remedies for collection.

Operating  Expenses  shall include all normal operating  expense,
including  but not limited to: maintenance, utilities,  supplies,
labor, management, advertising and promotional expenses, salaries
and wages of rental and management personnel, leasing commissions
to  third  parties, a monthly accrual to pay insurance  premiums,
real  estate taxes, installments of special assessments  and  for
structural repairs and replacements, management fees, legal  fees
and accounting fees, but excluding all operating expenses paid by
tenant under terms of any lease agreement of the Premises.

Barrett  has no requirement to, but has, nonetheless  elected  to
retain, and agrees to annually reimburse, Fund XXI in the  amount
of  $700.00  for the expenses, direct and indirect,  incurred  by
Fund  XXI  in  providing  Barrett with quarterly  accounting  and
distributions of Barrett's share of net income and for  tracking,
reporting  and  assessing the calculation of Barrett's  share  of
operating  expenses  incurred from  the  Premises.  This  invoice
amount   shall  be  pro-rated  for  partial  years  and   Barrett
authorizes Fund XXI to deduct such amount from Barrett's share of
revenue  from the Premises. Barrett may terminate this  agreement
in  this paragraph respecting accounting and distributions at any
time  and  attempt to collect its share of rental income directly
from the tenant; however, enforcement of all other provisions  of
the  lease remains the sole right of Fund XXI pursuant to Section
1  hereof.   Fund  XXI  may terminate its obligation  under  this
paragraph upon 30 days notice to Barrett prior to the end of each
anniversary hereof, unless agreed in writing to the contrary.

3.    Full, accurate and complete books of account shall be  kept
in  accordance  with generally accepted accounting principles  at
Fund XXI's principal office, and each Co-Tenant shall have access
to  such  books and may inspect and copy any part thereof  during
normal  business hours. Within ninety (90) days after the end  of
each calendar year during the term hereof, Fund XXI shall prepare
an  accurate  income statement for the ownership of the  Premises
for  said calendar year and shall furnish copies of the  same  to
all  Co-Tenants.  Quarterly,  as  its  share,  Barrett  shall  be
entitled  to receive 21.5614% of all items of income and  expense
generated  by the Premises.  Upon receipt of said accounting,  if
the   payments  received  by  each  Co-Tenant  pursuant  to  this
Paragraph  3  do not equal, in the aggregate, the  amounts  which
each  are  entitled  to  receive proportional  to  its  share  of
ownership  with  respect  to  said  calendar  year  pursuant   to
Paragraph  2 hereof, an appropriate adjustment shall be  made  so
that each Co-Tenant receives the amount to which it is entitled.

4.    If  Net Income from the Premises is less than $0.00  (i.e.,
the  Premises  operates  at a loss), or if capital  improvements,
repairs, and/or replacements, for which adequate reserves do  not
exist,  need  to  be made to the Premises, the  Co-Tenants,  upon
receipt  of  a  written request therefor from  Fund  XXI,  shall,
within  fifteen (15) business days after receipt of notice,  make
payment  to Fund XXI sufficient to pay said net operating  losses
and to provide necessary operating capital



Co-Tenant Initial: /s/ BB
Co-Tenancy Agreement for Arby's - Montgomery, AL




for  the  premises  and  to  pay for said  capital  improvements,
repairs and/or replacements, all in proportion to their undivided
interests in and to the Premises.

5.    Co-Tenants  may, at any time, sell, finance,  or  otherwise
create  a lien upon their interest in the Premises but only  upon
their  interest  and not upon any part of the interest  held,  or
owned, by any other Co-Tenant.  All Co-Tenants reserve the  right
to escrow proceeds from a sale of their interests in the Premises
to obtain tax deferral by the purchase of replacement property.

6.    If any Co-Tenant shall be in default with respect to any of
its  obligations hereunder, and if said default is not  corrected
within  thirty  (30)  days after receipt by said  defaulting  Co-
Tenant  of written notice of said default, or within a reasonable
period  if  said default does not consist solely of a failure  to
pay money, the remaining Co-Tenant(s) may resort to any available
remedy to cure said default at law, in equity, or by statute.

7.   This Co-Tenancy agreement shall continue in full force and
effect and shall bind and inure to the benefit of the Co-Tenant
and their respective heirs, executors, administrators, personal
representatives, successors and permitted assigns until June 1,
2025 or upon the sale of the entire Premises in accordance with
the terms hereof and proper disbursement of the proceeds thereof,
whichever shall first occur.  Unless specifically identified as a
personal contract right or obligation herein, this agreement
shall run with any interest in the Premises and with the title
thereto. Once any person, party or entity has ceased to have an
interest in fee in any portion of the Premises, it shall not be
bound by, subject to or benefit from the terms hereof; but its
heirs, executors, administrators, personal representatives,
successors or assigns, as the case may be, shall be substituted
for it hereunder. Barrett agrees to notify Fund XXI upon the
appointment of any successor trustee, or any amendment of The
Barrett Family Trust  affecting the powers of the trustees to
manage or dispose of The Barrett Family Trust's interest in the
premises.


8.    Any notice or election required or permitted to be given or
served by any party hereto to, or upon any other, shall be  given
to  all known Co-Tenants and deemed given or served in accordance
with  the  provisions  of  this  Agreement,  if  said  notice  or
elections addressed as follows;

If to Fund XXI:

AEI Income and Growth Fund XXI Limited Partnership
1300 Minnesota World Trade Center
30 E. Seventh Street
St. Paul, Minnesota  55101

If to Barrett:

Beryl B. Barrett, Trustee
The Barrett Family Trust Dated 4-14-94
177 Boynton Road
Layton, UT  84040

If to VTA:

VTA Building Company
12825 Falcon Drive
Apple Valley, MN  55124

If to Cheung:





Co-Tenant Initial: /s/ BB
Co-Tenancy Agreement for Arby's - Montgomery, AL
Howard Owyoung Cheung
Rosemarie Cheung
10 Live Oak Court
Hillsborough, CA  94010

If to Whittenburg:

The Catharine C. Whittenburg Testamentary Trust
Post Office Box 26
Amarillo, TX  79105

If to Terry:

Roland Terry
154 Little Hendricks Pk  #20612
Jasper, GA  30143

Each mailed notice or election shall be deemed to have been given
to,  or served upon, the party to which addressed on the date the
same  is  deposited in the United States certified  mail,  return
receipt  requested,  postage prepaid, or given  to  a  nationally
recognized  courier  service guaranteeing overnight  delivery  as
properly addressed in the manner above provided. Any party hereto
may  change  its address for the service of notice  hereunder  by
delivering  written notice of said change to  the  other  parties
hereunder, in the manner above specified, at least ten (10)  days
prior to the effective date of said change.

9.    This  Agreement shall not create any partnership  or  joint
venture  among or between the Co-Tenants or any of them, and  the
only  relationship  among  and between the  Co-Tenants  hereunder
shall  be  that  of owners of the premises as tenants  in  common
subject to the terms hereof.

10.   The  unenforceability or invalidity  of  any  provision  or
provisions  of  this Agreement as to any person or  circumstances
shall  not render that provision, nor any other provision hereof,
unenforceable or invalid as to any other person or circumstances,
and  all  provisions hereof, in all other respects, shall  remain
valid and enforceable.

11.   In  the  event  any litigation arises between  the  parties
hereto  relating  to  this Agreement, or any  of  the  provisions
hereof, the party prevailing in such action shall be entitled  to
receive  from the losing party, in addition to all other  relief,
remedies  and  damages  to  which it is otherwise  entitled,  all
reasonable  costs  and expenses, including reasonable  attorneys'
fees,  incurred by the prevailing party in connection  with  said
litigation.






              REST OF PAGE INTENTIONALLY LEFT BLANK



Co-Tenant Initial: /s/ BB
Co-Tenancy Agreement for Arby's - Montgomery, AL

The Barrett Family Trust Dated 4-14-94


                      By: /s/ Beryl B Barrett
                              Beryl B. Barrett, Trustee

STATE OF UTAH)                     [notary seal]
                              ) ss
COUNTY OF Davis)

I,  a Notary Public in and for the state and county of aforesaid,
hereby certify there appeared before me this 29 day of September,
1999,  Beryl  B Barrett who executed the foregoing instrument  in
said capacity.

                          /s/  Teri L Short
                               Notary Public



Fund XXI   AEI Income & Growth Fund XXI Limited Partnership

           By: AEI Fund Management XXI, Inc., its corporate general
               partner

           By: /s/ Robert P Johnson
                   Robert P. Johnson, President

State of Minnesota )
                                   ) ss.
County of Ramsey  )

I,  a Notary Public in and for the state and county of aforesaid,
hereby certify there appeared before me this 22nd day of October,
1999,  Robert  P. Johnson, President of AEI Fund Management  XXI,
Inc.,  corporate general partner of AEI Income & Growth Fund  XXI
Limited Partnership who executed the foregoing instrument in said
capacity  and  on  behalf of the corporation in its  capacity  as
corporate general partner, on behalf of said limited partnership.

                              /s/ Barbara J Kochevar
                                   Notary Public
[notary seal]



Co-Tenant Initial: /s/ BB
Co-Tenancy Agreement for Arby's - Montgomery, AL



                         EXHIBIT "A"



     Commencing at the Northeast corner of the Southeast  Quarter
     of  the  Southwest Quarter of Section 16, Township 16 North,
     Range  18 East, Montgomery City and County, Alabama,  thence
     West a distance of 535.66 feet, thence North 328.83 feet  to
     the  Southwest corner of Lot 1-T, of the Taco Bell Plat  No.
     3,  Zelda Road as recorded in the Montgomery County  Probate
     Office, said point being on the curve of the Norterly  right
     of  way  of Zelda Roas, said curve having a radius of 392.86
     feet,  a  central angle of 30 13' 45" and a chord of  204.88
     feet  with  a  chord  bearing of S  59  16'  00"  E,  thence
     southeasterly  along said curve to the end  of  said  curve,
     said  point being the Southeast corner of said Lot 1-T, also
     being  the point of beginning.  Thence N 39 28' 53" E,  from
     the  point of beginning along the southeasterly line of said
     Lot  1-T, a distance of 152.21 feet to an iron pin found  on
     the  southerly  right  of  way of Interstate  Hiwhway  I-85;
     thence  S 52 30' 39" E, along the southerly right of way  of
     Interstate Highway I-85 a distance of 311.90 feet to a found
     iron pin; thence S 74 07' 41" W a distance of 270.89 feet to
     a  found  iron  pin on the northerly right of way  of  Zelda
     Road; thence N 20 20' 05" W along the Northerly right of way
     of  Zelda Road a distance of 28.41 feet to the beginning  of
     the  curve of the northerly right of way of Zelda Road, said
     curve having a radius of 392.86 feet, a central angle of  20
     38' 00" and a chord of 140.71 feet with a chord bearing of N
     31  38' 47" W; thence Northwesterly along said curve to  the
     end of said curve, said point being the southeast corner  of
     said  Lot  1-T, and also being the point of beginning.   The
     said  tract  of land is located in the Northeast Quarter  of
     the  Southwest  Quarter of Section 16,  Township  16  North,
     Range 18 East, Montgomery City and County, Alabama.




<TABLE> <S> <C>

<ARTICLE> 5
<CIK> 0000931755
<NAME> AEI INCOME & GROWTH FUND XXI LIMITED PARTNERSHIP

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