GMAC COMMERCIAL MORTGAGE SECURITIES INC
8-K, 1999-09-01
ASSET-BACKED SECURITIES
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K
CURRENT REPORT

Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

Date of Report: August 25, 1999
(Date of earliest event reported)

GMAC Commercial Mortgage Securities, Inc.
(Sponsor)
(Issuer in Respect of Commercial Mortgage Pass-Through
Certificates Series 1998-C1)
Exact name of registrant as specified in charter)

Delaware                  333-37717        23-2811925
(State or other juris-    (Commission   (I.R.S. Employer
diction of organization)  File No.)     Identification No.)

650 Dresher Road, Horsham, Pennsylvania    19044
(Address of principal executive offices) (Zip Code)

Registrant's Telephone Number, including area code
(215) 328-3480

(Former name or former address, if changed since
last report.)





























ITEM 5.        OTHER EVENTS

On or about May 18, 1998, the Registrant will
cause the issuance and sale of approximately
$1,438,000,263 initial principal amount of
Mortgage Pass-Through Certificates, Series 1998-C1,
Class X, Class A-1, Class A-2, Class B, Class C,
Class D, Class E, Class F, Class G, Class H,
Class J, Class K, Class L, Class M, Class N,
Class R-1, Class R-2 and Class R-3 (the "certificates")
pursuant to a Pooling and Servicing Agreement to
be dated as of May 1, 1998, among the Registrant,
GMAC Commercial Mortgage Corporation, as Servicer,
LaSalle Bank N.A., as Trustee and ABN AMRO
Bank N.V., as Fiscal Agent.  In connection with
the sale of the Class X, Class A-1, Class A-2,
Class B, Class C, Class D, Class E and Class F
Certificates (the "Publicly Offered Certificates"),
the Registrant has been advised by Deutsche Morgan
Grenfell Inc. and Lehman Brothers Inc. have
registered pursuant to the Act under a Registration
Statement on Form S-3 (File No.333-37717)
(the "Registration Statement").


Capitalized terms used herein and not defined herein
have the same meanings ascribed to such terms in the
Pooling and Servicing Agreement.

Pursuant to Section 3.20 of the Pooling and Servicing
Agreement, the Trustee is filing this Current Report
containing the August 25, 1999 monthly distribution
report.


This Current Report is being filed by the Trustee, in
its capacity as such under the Pooling and Servicing Agreement,
on behalf of the Registrant.  The information reported and
contained herein has been supplied to the Trustee by one or
more of the Master Servicer, the Special Servicer or other
third parties without independent review or investigation by
the Trustee. Pursuant to the Pooling and Servicing Agreement,
the Trustee is not responsible for the accuracy or completeness
of such information.


ITEM 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL
   INFORMATION AND

Exhibits

Exhibit No.	Description

99.1  	Monthly distribution report pursuant to Section 4.02
of the Pooling and Servicing Agreement for the
distribution on June 15, 1999.

99.2	      * Certain information received from the borrowers
pursuant to the loan documents.


Pursuant to the requirements of the Securities Exchange Act of
1934, the Registrant has duly caused this report to be signed
on behalf of the Registrant by the undersigned thereunto duly
authorized.

LASALLE BANK N.A., IN ITS CAPACITY AS TRUSTEE
UNDER THE POOLING AND SERVICING AGREEMENT ON
BEHALF OF GS MORTGAGE SECURITIES CORPORATION II,
REGISTRANT

	By: /s/ Russell Goldenberg
		Russell Goldenberg,
		Senior Vice President


Date: August 25, 1999























ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203

Statement Date       08/16/99
Payment Date:        08/16/99
Prior Payment:       07/15/99
Record Date:         07/30/99

WAC:                  7.2712%
WAMM:                     170

                             Number Of Pages

Table Of Contents                        1
REMIC Certificate Report                 4
Other Related Information                4
Asset Backed Facts Sheets                1
Delinquency Loan Detail                  2
Mortgage Loan Characteristics            2
Loan Level Listing                       7

Total Pages Included  In This Package                  21


Specially Serviced Loan Detail            Appendix A
Modified Loan Detail                      Appendix B
Realized Loss Detail                      Appendix C

Information is available for this issue from the following sources
LaSalle Web Site                          www.lnbabs.com
LaSalle Bulletin Board                    (714) 282-3990
LaSalle ASAP Fax System                   (714) 282-5518
Bloomberg                                 User Terminal

ASAP #:                                               325
Monthly Data File Name:                   0325MMYY.EXE


ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203
Remic III

Statement Date       08/16/99
Payment Date:        08/16/99
Prior Payment:       07/15/99
Record Date:         07/30/99

WAC:                  7.2712%
WAMM:                     170
              Original                    Opening
Class         Face Value (1)              Balance
CUSIP         Per $1,000                  Per $1,000

X             1,438,000,263.0N            1,410,586,445.85
361849DD1       1000.00000000                980.93615290
A-1            333,587,000.00              306,173,182.85
361849DE9       1000.00000000                917.82108670
A-2            687,393,000.00              687,393,000.00
361849DF6       1000.00000000               1000.00000000
B               28,760,000.00               28,760,000.00
361849DG4       1000.00000000               1000.00000000
C               64,710,000.00               64,710,000.00
361849DH2       1000.00000000               1000.00000000
D               75,495,000.00               75,495,000.00
361849DJ8       1000.00000000               1000.00000000
E               68,305,000.00               68,305,000.00
361849DK5       1000.00000000               1000.00000000
F               43,140,000.00               43,140,000.00
361849DL3       1000.00000000               1000.00000000
G               32,355,000.00               32,355,000.00
361849DM1       1000.00000000               1000.00000000
H               25,165,000.00               25,165,000.00
361849DN9       1000.00000000               1000.00000000
J               14,380,000.00               14,380,000.00
361849DP4       1000.00000000               1000.00000000
K               25,165,000.00               25,165,000.00
361849DQ2       1000.00000000               1000.00000000
L               14,380,000.00               14,380,000.00
361849DR0       1000.00000000               1000.00000000
M               10,785,000.00               10,785,000.00
361849DS8       1000.00000000               1000.00000000
N               14,380,263.00               14,380,263.00
361849DT6       1000.00000000               1000.00000000

              Principal      Principal                   Negative
Class         Payment        Adj. or Loss                Amortization
CUSIP         Per $1,000     Per $1,000                  Per $1,000

X                        0.00         0.00           0.00           0.00
361849DD1          0.00000000   0.00000000     0.00000000     0.00000000
A-1              1,915,492.51         0.00           0.00           0.00
361849DE9          5.74210779   0.00000000     0.00000000     0.00000000
A-2                      0.00         0.00           0.00           0.00
361849DF6          0.00000000   0.00000000     0.00000000     0.00000000
B                        0.00         0.00           0.00           0.00
361849DG4          0.00000000   0.00000000     0.00000000     0.00000000
C                        0.00         0.00           0.00           0.00
361849DH2          0.00000000   0.00000000     0.00000000     0.00000000
D                        0.00         0.00           0.00           0.00
361849DJ8          0.00000000   0.00000000     0.00000000     0.00000000
E                        0.00         0.00           0.00           0.00
361849DK5          0.00000000   0.00000000     0.00000000     0.00000000
F                        0.00         0.00           0.00           0.00
361849DL3          0.00000000   0.00000000     0.00000000     0.00000000
G                        0.00         0.00           0.00           0.00
361849DM1          0.00000000   0.00000000     0.00000000     0.00000000
H                        0.00         0.00           0.00           0.00
361849DN9          0.00000000   0.00000000     0.00000000     0.00000000
J                        0.00         0.00           0.00           0.00
361849DP4          0.00000000   0.00000000     0.00000000     0.00000000
K                        0.00         0.00           0.00           0.00
361849DQ2          0.00000000   0.00000000     0.00000000     0.00000000
L                        0.00         0.00           0.00           0.00
361849DR0          0.00000000   0.00000000     0.00000000     0.00000000
M                        0.00         0.00           0.00           0.00
361849DS8          0.00000000   0.00000000     0.00000000     0.00000000
N                        0.00         0.00           0.00           0.00
361849DT6          0.00000000   0.00000000     0.00000000     0.00000000

                             Interest     Interest       Pass-Through
Class                        Payment      Adjustment     Rate (2)
CUSIP         Per $1,000     Per $1,000   Per $1,000     Next Rate (3)

X             1,408,670,953.3   514,159.59           0.00        0.4374%
361849DD1        979.60409993   0.35755181     0.00000000        0.4374%
A-1            304,257,690.34 1,635,730.25           0.00        6.4110%
361849DE9        912.07897892   4.90345922     0.00000000        6.4110%
A-2            687,393,000.00 3,837,944.25           0.00        6.7000%
361849DF6       1000.00000000   5.58333333     0.00000000        6.7000%
B               28,760,000.00   161,846.90           0.00        6.7530%
361849DG4       1000.00000000   5.62750000     0.00000000        6.7530%
C               64,710,000.00   367,013.55           0.00        6.8060%
361849DH2       1000.00000000   5.67166667     0.00000000        6.8060%
D               75,495,000.00   438,751.78           0.00        6.9740%
361849DJ8       1000.00000000   5.81166673     0.00000000        6.9740%
E               68,305,000.00   407,230.61           0.00        7.1543%
361849DK5       1000.00000000   5.96194437     0.00000000        7.1543%
F               43,140,000.00   257,198.28           0.00        7.1543%
361849DL3       1000.00000000   5.96194437     0.00000000        7.1543%
G               32,355,000.00   192,898.71           0.00        7.1543%
361849DM1       1000.00000000   5.96194437     0.00000000        7.1543%
H               25,165,000.00   150,032.33           0.00        7.1543%
361849DN9       1000.00000000   5.96194437     0.00000000        7.1543%
J               14,380,000.00    85,732.76           0.00        7.1543%
361849DP4       1000.00000000   5.96194437     0.00000000        7.1543%
K               25,165,000.00   140,504.58           0.00        6.7000%
361849DQ2       1000.00000000   5.58333320     0.00000000        6.7000%
L               14,380,000.00    80,288.33           0.00        6.7000%
361849DR0       1000.00000000   5.58333310     0.00000000        6.7000%
M               10,785,000.00    60,216.25           0.00        6.7000%
361849DS8       1000.00000000   5.58333333     0.00000000        6.7000%
N               14,380,263.00    79,875.92        -413.88        6.7000%
361849DT6       1000.00000000   5.55455210    -0.02878111        6.7000%

Notes:  (1) N denotes notional balance not included in total
 (2) Interest Paid minus  Interest Adjustment minus Deferred
Interest equals Accrual    (3) Estimated


ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203
Remic III

Statement Date       08/16/99
Payment Date:        08/16/99
Prior Payment:       07/15/99
Record Date:         07/30/99

WAC:                  7.2712%
WAMM:                     170

              Original                    Opening
Class         Face Value (1)              Balance
CUSIP         Per $1,000                  Per $1,000

RIII                     0.00                        0.00
361849DW9          0.00000000                  0.00000000

              1,438,000,263.00            1,410,586,445.85

              Principal      Principal    Negative
Class         Payment        Adj. or Loss Amortization
CUSIP         Per $1,000     Per $1,000   Per $1,000

RIII                     0.00         0.00           0.00
361849DW9          0.00000000   0.00000000     0.00000000

                1,915,492.51         0.00           0.00

              Closing        Interest     Interest       Pass-Through
Class         Balance        Payment      Adjustment     Rate (2)
CUSIP         Per $1,000     Per $1,000   Per $1,000     Next Rate (3)

RIII                     0.00         0.00           0.00
361849DW9          0.00000000   0.00000000     0.00000000

              1,408,670,953.38,409,424.09        (413.88)
              Total P&I Payme10,324,916.60              0


ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203
Remic II

Statement Date       08/16/99
Payment Date:        08/16/99
Prior Payment:       07/15/99
Record Date:         07/30/99

WAC:                  7.2712%
WAMM:                     170

              Original                    Opening
Class         Face Value (1)              Balance
CUSIP         Per $1,000                  Per $1,000

LA-1           333,587,000.00              306,173,182.85
None            1000.00000000                917.82108670
LA-2           687,393,000.00              687,393,000.00
None            1000.00000000               1000.00000000
LB              28,760,000.00               28,760,000.00
None            1000.00000000               1000.00000000
LC              64,710,000.00               64,710,000.00
None            1000.00000000               1000.00000000
LD              75,495,000.00               75,495,000.00
None            1000.00000000               1000.00000000
LE              68,305,000.00               68,305,000.00
None            1000.00000000               1000.00000000
LF              43,140,000.00               43,140,000.00
None            1000.00000000               1000.00000000
LG              32,355,000.00               32,355,000.00
None            1000.00000000               1000.00000000
LH              25,165,000.00               25,165,000.00
None            1000.00000000               1000.00000000
LJ              14,380,000.00               14,380,000.00
None            1000.00000000               1000.00000000
LK              25,165,000.00               25,165,000.00
None            1000.00000000               1000.00000000
LL              14,380,000.00               14,380,000.00
None            1000.00000000               1000.00000000
LM              10,785,000.00               10,785,000.00
None            1000.00000000               1000.00000000
LN              14,380,263.00               14,380,263.00
None            1000.00000000               1000.00000000
RII                      0.00                        0.00
None               0.00000000                  0.00000000
              1,438,000,263.00            1,410,586,445.85

              Principal      Principal    Negative
Class         Payment        Adj. or Loss Amortization
CUSIP         Per $1,000     Per $1,000   Per $1,000

LA-1             1,915,492.51         0.00           0.00
None               5.74210779   0.00000000     0.00000000
LA-2                     0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
LB                       0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
LC                       0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
LD                       0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
LE                       0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
LF                       0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
LG                       0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
LH                       0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
LJ                       0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
LK                       0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
LL                       0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
LM                       0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
LN                       0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
RII                      0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
                 1,915,492.51         0.00           0.00

              Closing        Interest     Interest       Pass-Through
Class         Balance        Payment      Adjustment     Rate (2)
CUSIP         Per $1,000     Per $1,000   Per $1,000     Next Rate (3)
             0
LA-1           304,257,690.34 1,825,387.49           0.00        7.1543%
None             912.07897892   5.47199828     0.00000000        7.1544%
LA-2           687,393,000.00 4,098,198.85           0.00        7.1543%
None            1000.00000000   5.96194440     0.00000000        7.1544%
LB              28,760,000.00   171,465.52           0.00        7.1543%
None            1000.00000000   5.96194437     0.00000000        7.1544%
LC              64,710,000.00   385,797.42           0.00        7.1543%
None            1000.00000000   5.96194437     0.00000000        7.1544%
LD              75,495,000.00   450,096.99           0.00        7.1543%
None            1000.00000000   5.96194437     0.00000000        7.1544%
LE              68,305,000.00   407,230.61           0.00        7.1543%
None            1000.00000000   5.96194437     0.00000000        7.1544%
LF              43,140,000.00   257,198.28           0.00        7.1543%
None            1000.00000000   5.96194437     0.00000000        7.1544%
LG              32,355,000.00   192,898.71           0.00        7.1543%
None            1000.00000000   5.96194437     0.00000000        7.1544%
LH              25,165,000.00   150,032.33           0.00        7.1543%
None            1000.00000000   5.96194437     0.00000000        7.1544%
LJ              14,380,000.00    85,732.76           0.00        7.1543%
None            1000.00000000   5.96194437     0.00000000        7.1544%
LK              25,165,000.00   150,032.33           0.00        7.1543%
None            1000.00000000   5.96194437     0.00000000        7.1544%
LL              14,380,000.00    85,732.76           0.00        7.1543%
None            1000.00000000   5.96194437     0.00000000        7.1544%
LM              10,785,000.00    64,299.57           0.00        7.1543%
None            1000.00000000   5.96194437     0.00000000        7.1544%
LN              14,380,263.00    85,320.47        -413.86        7.1543%
None            1000.00000000   5.93316478    -0.02877972        7.1544%
RII                      0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000
              1,408,670,953.3 8,409,424.09        -413.86
              Total P&I Payme10,324,916.60


ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203
Remic I

Statement Date       08/16/99
Payment Date:        08/16/99
Prior Payment:       07/15/99
Record Date:         07/30/99

WAC:                  7.2712%
WAMM:                     170

              Original                    Opening
Class         Face Value (1)              Balance
CUSIP         Per $1,000                  Per $1,000

Regular Intere1,438,013,391.24            1,410,599,574.09
None            1000.00000000                980.93632694
RI                       0.00                        0.00
None               0.00000000                  0.00000000

              1,438,013,391.24            1,410,599,574.09

              Principal      Principal    Negative
Class         Payment        Adj. or Loss Amortization
CUSIP         Per $1,000     Per $1,000   Per $1,000

Regular Intere   1,915,492.51         0.00           0.00
None               1.33204080   0.00000000     0.00000000
RI                       0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000

                 1,915,492.51         0.00           0.00

              Closing        Interest     Interest       Pass-Through
Class         Balance        Payment      Adjustment     Rate (2)
CUSIP         Per $1,000     Per $1,000   Per $1,000     Next Rate (3)

Regular Intere1,408,684,081.5 8,409,424.09           0.00        7.1543%
None             979.60428614   5.84794560     0.00000000        7.1544%
RI                       0.00         0.00           0.00
None               0.00000000   0.00000000     0.00000000

              1,408,684,081.5 8,409,424.09
              Total P&I Payme10,324,916.60
ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203
Other Related Information

Statement Date:            08/16/99
Payment Date:              08/16/99
Prior Payment:             07/15/99
Record Date:               07/30/99

           Accrued    Allocation of
           CertificatePrepay Interest
Class      Interest   Shortfall

X           514,159.59         0.00
A-1        1,635,730.2         0.00
A-2        3,837,944.2         0.00
B           161,846.90         0.00
C           367,013.55         0.00
D           438,751.78         0.00
E           407,230.61         0.00
F           257,198.28         0.00
G           192,898.71         0.00
H           150,032.33         0.00
J            85,732.76         0.00
K           140,504.58         0.00
L            80,288.33         0.00
M            60,216.25         0.00
N            80,289.80         0.00


           8,409,837.9         0.00

           Beginning  Payment of
           Unpaid     Prior Unpaid
Class      Interest   Interest

X                 0.00         0.00
A-1               0.00         0.00
A-2               0.00         0.00
B                 0.00         0.00
C                 0.00         0.00
D                 0.00         0.00
E                 0.00         0.00
F                 0.00         0.00
G                 0.00         0.00
H                 0.00         0.00
J                 0.00         0.00
K                 0.00         0.00
L                 0.00         0.00
M                 0.00         0.00
N               391.76         0.00


                391.76         0.00

           Ending     Yield
           Unpaid     Maintenance  Prepayment
Class      Interest   Premium      Premiums

X                 0.00         0.00           0.00
A-1               0.00         0.00           0.00
A-2               0.00         0.00           0.00
B                 0.00         0.00           0.00
C                 0.00         0.00           0.00
D                 0.00         0.00           0.00
E                 0.00         0.00           0.00
F                 0.00         0.00           0.00
G                 0.00         0.00           0.00
H                 0.00         0.00           0.00
J                 0.00         0.00           0.00
K                 0.00         0.00           0.00
L                 0.00         0.00           0.00
M                 0.00         0.00           0.00
N               805.64         0.00           0.00


                805.64         0.00           0.00

           Advances
                              Prior                  Current Period
           Principal  Interest     Principal      Interest

  Servicer 1,135,261.1 4,546,797.71     622,033.18   3,036,750.43
  Trustee:        0.00         0.00           0.00           0.00
 Fiscal Age       0.00         0.00           0.00           0.00

                                        622,033.18   3,036,750.43

                                                         Outstanding
           Principal  Interest     Principal      Interest

  Servicer 1,135,261.1 4,546,797.71     622,033.18   3,036,750.42
  Trustee:        0.00         0.00           0.00           0.00
 Fiscal Age       0.00         0.00           0.00           0.00

           1,135,261.1 4,546,797.71     622,033.18   3,036,750.42


ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203
Other Related Information

Statement Date:            08/16/99
Payment Date:              08/16/99
Prior Payment:             07/15/99
Record Date:               07/30/99

Current Period Master Servicing Fees Paid:             134,164.25
Additional Master Servicing Compensation:                    0.00
Current Period Special Servicing Fees Paid:                  0.00
Current Period Workout Fees Paid                             0.00
Current Period Liquidation Fees Paid:                        0.00

                                                       134,164.25




Outstanding Mortgage Loans in Pool

Number of Outstanding Mortgage Loans in Pool:
180
Aggregate Stated Principal Balance before Distribu
1,410,599,574.09
Aggregate Stated Principal Balance after Distribut
1,408,684,081.58
Percentage of Remaining Cut-off Date Principal Bal
      97.9613%

Summary of REO Properties

                                   Principal
#           Property NDate of REO  Balance

1.                   0     01/00/00           0.00
2.               0.00      01/00/00           0.00
3.                         01/00/00           0.00
4.               0.00      01/00/00           0.00
5.                   0     01/00/00           0.00

                      Date of FinalAmount         Aggregate Other
           Book Value Recovery     of Proceeds    Rev. Collected

1.                0.00     01/00/00           0.00           0.00
2.                0.00     01/00/00           0.00           0.00
3.                0.00     01/00/00           0.00           0.00
4.                0.00     01/00/00           0.00           0.00
5.                0.00     01/00/00           0.00           0.00


ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203
Other Related Information

Statement Date:            08/16/99
Payment Date:              08/16/99
Prior Payment:             07/15/99
Record Date:               07/30/99

Summary of Appraisal Reductions
                                   Principal
#           Property NLoan Number  Balance

1.                   0            0           0.00
2.               0.00         0.00            0.00
3.         No Appraisal Reductions as of The Most Recent Due Period
4.               0.00         0.00            0.00
5.                   0            0           0.00

           Appraisal  Appraisal    Date of
           Reduction ADate         Reduction

1.                0.00     01/00/00       01/00/00
2.                0.00     01/00/00       01/00/00
3.
4.                0.00     01/00/00       01/00/00
5.                0.00     01/00/00       01/00/00





Summary of Repurchased, Liquidated or Disposed Loans
                                   Principal
#           Property NLoan Number  Balance

1.                   0           0            0.00
2.                   0            0           0.00
3.         No Repurchases / Liquidations as of The Most Recent Due Period
4.                   0            0           0.00
5.                  0         0.00            0.00

                      Date of FinalAmount         Aggregate Other
           Book Value Liquidation  of Proceeds    Rev. Collected

1.                0.00     01/00/00           0.00           0.00
2.                0.00     01/00/00           0.00           0.00
3.                         01/00/00           0.00           0.00
4.                0.00     01/00/00           0.00           0.00
5.                0.00     01/00/00           0.00           0.00


ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203
Other Related Information

Statement Date:            08/16/99
Payment Date:              08/16/99
Prior Payment:             07/15/99
Record Date:               07/30/99

           Maturity Date Extensions (Since Deal Origination)
Maturity Date         Number of    Cut-off PrincipWeighted Average
Status                Loans        Balance        Extension
Extended                          0           0.00              0
In Process *                      0           0.00              0
Paid Off **                       0           0.00              0
Paid Off - Extended **            0           0.00              0
In Process - Extended             0           0.00              0
Total                             0           0.00              0
* In the process of extending at the Special Servicer
** Scheduled Principal Balance as of deal origination
*** Currently Paid Off but had previously been extended
**** Previously extended, in the process of being extended again


ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203

Statement Date:            08/16/99
Payment Date:              08/16/99
Prior Payment:             07/15/99
Record Date:               07/30/99

DistributioDelinq 1 Month          Delinq 2 Months
Date       #          Balance      #              Balance
   08/16/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   07/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   06/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   05/17/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   04/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   03/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   02/16/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   01/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   12/15/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   11/16/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   10/15/98          1    8,991,059              0              0
                 0.55%        0.63%          0.00%          0.00%
   09/15/98          1      635,724              0              0
                 0.55%        0.04%          0.00%          0.00%
   08/17/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   07/15/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   06/15/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   01/00/00          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%

DistributioDelinq 3+  Months       Foreclosure/Bankruptcy
Date       #          Balance      #              Balance
   08/16/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   07/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   06/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   05/17/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   04/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   03/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   02/16/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   01/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   12/15/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   11/16/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   10/15/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   09/15/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   08/17/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   07/15/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   06/15/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   01/00/00          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%

DistributioREO                     Modifications
Date       #          Balance      #              Balance
   08/16/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   07/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   06/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   05/17/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   04/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   03/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   02/16/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   01/15/99          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   12/15/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   11/16/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   10/15/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   09/15/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   08/17/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   07/15/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   06/15/98          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%
   01/00/00          0            0              0              0
                 0.00%        0.00%          0.00%          0.00%

DistributioPrepayments             Curr Weighted Avg.
Date       #          Balance      Coupon         Remit
   08/16/99          0            0        7.2712%        7.1543%
                 0.00%        0.00%
   07/15/99          0            0        7.2026%        7.0870%
                 0.00%        0.00%
   06/15/99          0            0        7.2710%        7.1541%
                 0.00%        0.00%
   05/17/99          0            0        7.2025%        7.0868%
                 0.00%        0.00%
   04/15/99          0            0        7.2707%        7.1538%
                 0.00%        0.00%
   03/15/99          0            0        7.0657%        6.9524%
                 0.00%        0.00%
   02/16/99          0            0        7.2706%        7.1537%
                 0.00%        0.00%
   01/15/99          0            0        7.2705%        7.1536%
                 0.00%        0.00%
   12/15/98          0            0        7.2021%        7.0864%
                 0.00%        0.00%
   11/16/98          0            0        7.2703%        7.1534%
                 0.00%        0.00%
   10/15/98          0            0        7.2020%        7.0863%
                 0.00%        0.00%
   09/15/98          0            0        7.2702%        7.1533%
                 0.00%        0.00%
   08/17/98          0            0        7.2701%        7.1532%
                 0.00%        0.00%
   07/15/98          0            0        7.1946%        7.0789%
                 0.00%        0.00%
   06/15/98          0            0        7.2771%        7.1601%
                 0.00%        0.00%
   01/00/00          0            0        0.0000%        0.0000%
                 0.00%        0.00%

Note:  Effective with the October 1998 Distribution, Foreclosure,
Bankruptcy,  and REO totals will no longer be included in the
delinquenc


ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203

Statement Date:            08/16/99
Payment Date:              08/16/99
Prior Payment:             07/15/99
Record Date:               07/30/99

Delinquent Loan Detail

                      Paid                        Outstanding
Disclosure Doc        Thru         Current P&I    P&I
Control #             Date         Advance        Advances**

      15888                07/01/99     107,520.26     107,520.26
      16084                07/01/99      47,824.89      47,824.89
      16223                07/01/99      12,937.00      12,937.00
      16517                07/01/99      16,421.17      16,421.17
      16592                07/01/99      36,654.02      36,654.02
      16614                07/01/99      87,953.81      87,953.81
      16686                07/01/99      48,948.11      48,948.11
      16691                07/01/99      79,600.23      79,600.23
      16695                07/01/99      13,756.86      13,756.86
      16717                07/01/99      26,516.53      26,516.53
      16721                07/01/99      50,053.92      50,053.92
      16757                07/01/99      21,970.98      21,970.98
      16797                07/01/99      37,973.08      37,973.08
      16810                07/01/99     173,938.76     173,938.76
      16847                07/01/99      49,210.35      49,210.35
      16848                07/01/99      26,271.74      26,271.74
      16849                07/01/99      27,065.93      27,065.93
      16851                07/01/99      22,691.44      22,691.44
      16898                07/01/99      25,301.13      25,301.13
      16916                07/01/99      66,988.09      66,988.09
      16929                07/01/99      22,676.48      22,676.48
      16954                07/01/99       7,144.29       7,144.29
      16956                07/01/99      19,187.53      19,187.53
      16957                07/01/99      12,247.36      12,247.36
      16958                07/01/99      13,778.28      13,778.28
      16964                07/01/99     110,019.11     110,019.11
      16975                07/01/99      38,421.44      38,421.44
      17000                07/01/99      10,429.91      10,429.91
      17032                07/01/99      18,059.98      18,059.98
      17049                07/01/99      19,806.94      19,806.94
      17056                07/01/99     234,988.96     234,988.96
      17063                07/01/99      45,321.26      45,321.26
      17102                07/01/99      13,506.10      13,506.10
      17118                07/01/99      18,003.44      18,003.44
      17119                07/01/99       2,870.11       2,870.11
      17194                07/01/99   1,560,758.58   1,560,758.58
      17279                07/01/99      57,653.74      57,653.74
          8                07/01/99      42,588.64      42,588.64
         15                07/01/99      14,672.38      14,672.38
          3                07/01/99      79,172.04      79,172.04
          4                07/01/99      65,944.55      65,944.55
         10                07/01/99      32,481.19      32,481.19
         19                07/01/99     142,612.35     142,612.35
         26                07/01/99      29,931.62      29,931.62
         30                07/01/99      19,753.87      19,753.87
         31                07/01/99      16,842.59      16,842.59
         32                07/01/99      15,903.55      15,903.55
         34                07/01/99      14,409.01      14,409.01

          Out. Property           Special
Disclosure Protection Advance      Servicer       Foreclosure    Bankruptcy
Control #  Advances   Description (Transfer Date  Date           Date

      15888       0.00 B
      16084       0.00 A
      16223       0.00 B
      16517       0.00 B
      16592       0.00 B
      16614       0.00 A
      16686       0.00 A
      16691       0.00 A
      16695       0.00 B
      16717       0.00 A
      16721       0.00 A
      16757       0.00 A
      16797       0.00 B
      16810       0.00 A
      16847       0.00 A
      16848       0.00 A
      16849       0.00 A
      16851       0.00 A
      16898       0.00 A
      16916       0.00 A
      16929       0.00 B
      16954       0.00 A
      16956       0.00 A
      16957       0.00 A
      16958       0.00 A
      16964       0.00 A
      16975       0.00 B
      17000       0.00 B
      17032       0.00 A
      17049       0.00 A
      17056       0.00 A
      17063       0.00 A
      17102       0.00 A
      17118       0.00 A
      17119       0.00 A
      17194       0.00 A
      17279       0.00 A
          8       0.00 A
         15       0.00 A
          3       0.00 A
          4       0.00 A
         10       0.00 A
         19       0.00 A
         26       0.00 A
         30       0.00 A
         31       0.00 A
         32       0.00 A
         34       0.00 A





Disclosure REO
Control #  Date
          0
      15888
      16084
      16223
      16517
      16592
      16614
      16686
      16691
      16695
      16717
      16721
      16757
      16797
      16810
      16847
      16848
      16849
      16851
      16898
      16916
      16929
      16954
      16956
      16957
      16958
      16964
      16975
      17000
      17032
      17049
      17056
      17063
      17102
      17118
      17119
      17194
      17279
          8
         15
          3
          4
         10
         19
         26
         30
         31
         32
         34






Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203
Pool Total

Statement Date:            08/16/99
Payment Date:              08/16/99
Prior Payment:             07/15/99
Record Date:               07/30/99

Distribution of Principal Balances
Current  Scheduled                 Number          Scheduled     Based on
Balances                           of Loans       Balance        Balance
       0.00to            499,999.99              1     407,132.18        0.03%
 500,000.00to            999,999.99              6   5,158,514.33        0.37%
1,000,000.0to          1,999,999.99             26  37,918,523.70        2.69%
2,000,000.0to          2,999,999.99             40  97,185,267.40        6.90%
3,000,000.0to          3,999,999.99             22  76,857,431.62        5.46%
4,000,000.0to          4,999,999.99             16  69,992,062.93        4.97%
5,000,000.0to          5,999,999.99             14  77,482,111.89        5.50%
6,000,000.0to          6,999,999.99             10  65,637,465.26        4.66%
7,000,000.0to          7,999,999.99              8  58,929,993.09        4.18%
8,000,000.0to          8,999,999.99              8  68,948,496.31        4.89%
9,000,000.0to          9,999,999.99              4  37,959,752.27        2.69%
10,000,000.to         11,999,999.99              7  78,975,937.73        5.61%
12,000,000.to         13,999,999.99              2  26,628,802.08        1.89%
14,000,000.to         16,999,999.99              5  78,379,976.35        5.56%
17,000,000.to         31,999,999.99              2  45,608,872.10        3.24%
32,000,000.to         225,437,399.0              9 582,613,742.34       41.36%
Total                                          1801,408,684,081.5      100.00%
                      Average Scheduled Balance is                7,826,022.68
                      Maximum  Scheduled Balance is              220,982,268.60
                      Minimum  Scheduled Balance is                 407,132.18

Distribution of Property Types
                                   Number          Scheduled     Based on
Property Types                     of Loans       Balance        Balance
Other                                           13 420,000,690.63       29.82%
Retail                                          40 269,957,928.58       19.16%
Multifamily                                     59 232,882,255.66       16.53%
Lodging                                         10 165,115,645.50       11.72%
Office                                          25 152,069,587.58       10.80%
Health Care                                     13  61,833,072.26        4.39%
Mixed Use                                        8  59,215,479.52        4.20%
Industrial                                      11  43,467,114.44        3.09%
Mobile Home                                      1   4,142,307.41        0.29%



Total                                          1801,408,684,081.5      100.00%

Distribution of Mortgage Interest Rates
 Current Mortgage                  Number          Scheduled     Based on
Interest Rate                      of Loans       Balance        Balance
    6.0000%or         less                       0           0.00        0.00%
    6.0000%to               6.2500%              0           0.00        0.00%
    6.2500%to               6.5000%              0           0.00        0.00%
    6.5000%to               6.7500%              2  42,731,305.41        3.03%
    6.7500%to               7.0000%             16 377,912,593.72       26.83%
    7.0000%to               7.2500%             67 383,416,077.80       27.22%
    7.2500%to               7.5000%             51 404,723,637.59       28.73%
    7.5000%to               7.7500%             28 129,137,447.15        9.17%
    7.7500%to               8.0000%              9  41,888,507.24        2.97%
    8.0000%to               8.2500%              3  10,375,137.05        0.74%
    8.2500%to               8.5000%              3  14,390,392.78        1.02%
    8.5000%to               8.7500%              0           0.00        0.00%
    8.7500%to               9.2500%              1   4,108,982.84        0.29%
Total                                          1801,408,684,081.5      100.00%
           W/Avg Mortgage Interest Rate is                             7.2029%
           Minimum Mortgage Interest Rate is                           6.7000%
           Maximum Mortgage Interest Rate is                           8.8750%

Geographic Distribution
                      Number        Scheduled     Based on
Geographic Location   of Loans     Balance        Balance
Various                           2 254,665,052.22         18.08%
New York                         13 148,328,317.92         10.53%
Texas                            20 143,824,938.79         10.21%
California                       25 132,457,400.68          9.40%
Arizona                          21  94,346,796.65          6.70%
District of Columbia              3  63,794,925.55          4.53%
Washington                        4  61,877,841.58          4.39%
Florida                          11  53,543,722.37          3.80%
Minnesota                         3  50,795,529.07          3.61%
Maryland                          8  36,839,165.86          2.62%
Michigan                          7  35,964,777.30          2.55%
Oregon                            5  35,458,673.98          2.52%
Louisiana                         1  34,304,205.96          2.44%
New Jersey                        7  29,201,706.49          2.07%
Virginia                          5  26,561,371.43          1.89%
Missouri                          6  25,439,530.57          1.81%
Georgia                          10  24,440,869.91          1.74%
Utah                              4  23,722,858.49          1.68%
Massachusetts                     3  22,825,175.35          1.62%
Rhode Island                      2  16,962,735.17          1.20%
Delaware                          2  15,654,702.19          1.11%
Illinois                          3  15,485,437.79          1.10%
Pennsylvania                      2  12,765,142.05          0.91%
North Carolina                    3  10,329,797.43          0.73%
Colorado                          1   6,887,124.34          0.49%
Nebraska                          1   5,967,236.21          0.42%
Nevada                            1   5,630,555.58          0.40%
Wisconsin                         1   4,452,921.94          0.32%
Connecticut                       2   4,362,638.61          0.31%
Kentucky                          1   3,455,409.71          0.25%
Other                             3   8,337,520.39          0.59%
Total                           1801,408,684,081.5        100.00%


ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203
Pool Total

Statement Date:            08/16/99
Payment Date:              08/16/99
Prior Payment:             07/15/99
Record Date:               07/30/99

Loan Seasoning
                      Number        Scheduled     Based on
Number of Years       of Loans     Balance        Balance
1 year or less                    0           0.00          0.00%
 1+ to 2 years                  1781,401,810,802.2         99.51%
2+ to 3 years                     0           0.00          0.00%
3+ to 4 years                     2   6,873,279.34          0.49%
4+ to 5 years                     0           0.00          0.00%
5+ to 6 years                     0           0.00          0.00%
6+ to 7 years                     0           0.00          0.00%
7+ to 8 years                     0           0.00          0.00%
8+ to 9 years                     0           0.00          0.00%
9+ to 10 years                    0           0.00          0.00%
10  years or more                 0           0.00          0.00%
Total                           1801,408,684,081.5        100.00%
                                   Weighted Averag            1.4

Distribution of Remaining Term
Fully Amortizing
Fully Amortizing                   Number          Scheduled     Based on
Mortgage Loans                     of Loans       Balance        Balance
           60 months or less                     4  20,626,908.52        1.46%
           61 to 120 months                      4   7,361,992.48        0.52%
           121 to 180 months                    35 125,733,865.77        8.93%
           181 to 240 months                     0           0.00        0.00%
           241 to 360 months                     0           0.00        0.00%
Total                                           43 153,722,766.77       10.91%
                                                  Weighted Averag          197

Distribution of DSCR
           Debt Service            Number          Scheduled     Based on
           Coverage Ratio (1)      of Loans       Balance        Balance
          1or         less                      14  95,901,139.02        6.81%
     1.0001to                   1.1              7  32,963,089.30        2.34%
     1.1001to                   1.2             12  84,191,077.27        5.98%
     1.2001to                   1.3             12 126,797,988.61        9.00%
     1.3001to                   1.4             22 108,205,776.20        7.68%
     1.4001to                   1.5             20 373,488,565.07       26.51%
     1.5001to                   1.6             14 183,829,219.12       13.05%
     1.6001to                   1.7              9  40,484,181.67        2.87%
     1.7001to                   1.8              6  21,361,036.95        1.52%
     1.8001to                   1.9              6  22,753,152.68        1.62%
     1.9001to                     2              4  16,400,207.17        1.16%
     2.0001to                   2.1              6  72,937,791.74        5.18%
     2.1001to                   2.2              4  11,111,605.36        0.79%
     2.2001to                   2.4             13  52,634,162.21        3.74%
     2.4001&          above                     18  99,708,904.99        7.08%
Unknown                                         13  65,916,184.22        4.68%
Total                                          1801,408,684,081.5      100.00%
Weighted Average Debt Service Coverage Ratio is                          1.535

Distribution of Amortization Type
                      Number        Scheduled     Based on
Amortization Type     of Loans     Balance        Balance
Fully Amortizing                 43 153,722,766.77         10.91%
Amortizing Balloon              1371,254,961,314.8         89.09%








Total                           1801,408,684,081.5        100.00%

Distribution of Remaining Term
Balloon Loans
           Balloon                 Number          Scheduled     Based on
           Mortgage Loans          of Loans       Balance        Balance
           12 months or less                     0           0.00        0.00%
           13 to 24 months                       0           0.00        0.00%
           25 to 36 months                       0           0.00        0.00%
           37 to 48 months                       1   6,422,252.72        0.46%
           49 to 60 months                       0           0.00        0.00%
           61 to 120 months                     93 747,494,884.34       53.06%
           121 to 180 months                     9 135,241,119.55        9.60%
           181 to 240 months                    34 365,803,058.20       25.97%
Total                                          1371,254,961,314.8       89.09%
                                                  Weighted Averag          167

NOI Aging
                                   Number          Scheduled     Based on
NOI Date                           of Loans       Balance        Balance
1 year or less                              162  1,102,413,227.40      78.26%
1 to 2 years                                  5    240,354,669.96      17.06%
2 Years or More                               0              0.00       0.00%
Unknown                                      13     65,916,184.22       4.68%
Total                                       180  1,408,684,081.50     100.00%

(1) Debt Service Coverage Ratios are calculated as described in
the prospectus, values are updated periodically as new NOI figures
became available from borrowers on an able from borrowers on an
asset level.
      Neither the Trustee, Servicer, Special Servicer or Underwriter
makes any represeation as to the accuracy of the data provided by the
borrower for this calculation.


ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203

Statement Date:            08/16/99
Payment Date:              08/16/99
Prior Payment:             07/15/99
Record Date:               07/30/99

Loan Level Detail
                      Property
Disclosure            Type         Maturity
Control #  Group      Code         Date

          1GMAC98C1   Other               11/01/12
          2GMAC98C1   Retail              01/01/28
          3GMAC98C1   Retail              03/01/28
          4GMAC98C1   Other               12/01/22
          5GMAC98C1   Retail              03/01/28
          7GMAC98C1   Retail              12/01/27
          8GMAC98C1   Industrial          12/01/10
          9GMAC98C1   Office              03/01/23
         10GMAC98C1   Retail              03/01/23
         11GMAC98C1   Mobile Home         03/01/28
         12GMAC98C1   Mixed Use           03/01/28
         13GMAC98C1   Industrial          03/01/18
         14GMAC98C1   Lodging             03/01/23
         15GMAC98C1   Industrial          12/01/10
         16GMAC98C1   Mixed Use           03/01/28
         17GMAC98C1   Multifamily         03/01/23
         18GMAC98C1   Other               01/01/28
         19GMAC98C1   Office              04/01/28
         23GMAC98C1   Retail              04/01/28
         24GMAC98C1   Retail              04/01/28
         25GMAC98C1   Retail              04/01/28
         26GMAC98C1   Mixed Use           03/01/23
         27GMAC98C1   Industrial          04/01/28
         28GMAC98C1   Retail              04/01/28
         30GMAC98C1   Office              04/01/28
         31GMAC98C1   Office              04/01/28
         32GMAC98C1   Retail              04/01/23
         33GMAC98C1   Other               04/01/23
         34GMAC98C1   Multifamily         04/01/13
      15888GMAC98C1   Retail              01/01/08
      16084GMAC98C1   Mixed Use           03/01/08
      16145GMAC98C1   Retail              01/01/08
      16173GMAC98C1   Health Care         01/01/08
      16174GMAC98C1   Health Care         01/01/08
      16223GMAC98C1   Health Care         01/01/08
      16257GMAC98C1   Retail              01/31/08
      16288GMAC98C1   Multifamily         02/01/08
      16304GMAC98C1   Multifamily         01/01/05
      16305GMAC98C1   Multifamily         12/01/04
      16424GMAC98C1   Retail              12/01/07
      16458GMAC98C1   Retail              12/01/07
      16482GMAC98C1   Health Care         01/01/13
      16498GMAC98C1   Office              01/31/08
      16510GMAC98C1   Health Care         01/01/08
      16517GMAC98C1   Health Care         03/01/08
      16522GMAC98C1   Lodging             10/01/07
      16539GMAC98C1   Lodging             04/01/23
      16547GMAC98C1   Mixed Use           02/01/13
      16553GMAC98C1   Office              12/01/07
      16571GMAC98C1   Retail              12/01/07
      16592GMAC98C1   Office              04/01/08
      16598GMAC98C1   Industrial          12/01/07
      16609GMAC98C1   Industrial          03/05/08
      16614GMAC98C1   Other               03/01/05
      16632GMAC98C1   Lodging             12/31/22
      16633GMAC98C1   Lodging             12/31/22
      16658GMAC98C1   Retail              11/30/07
      16662GMAC98C1   Office              04/01/08
      16662GMAC98C1   Office              04/01/08
      16665GMAC98C1   Retail              01/01/08
      16666GMAC98C1   Retail              01/01/08
      16686GMAC98C1   Health Care         12/01/07
      16691GMAC98C1   Retail              01/01/08
      16695GMAC98C1   Retail              03/01/13
      16708GMAC98C1   Multifamily         12/31/07
      16717GMAC98C1   Health Care         03/01/08
      16721GMAC98C1   Health Care         03/01/08
      16724GMAC98C1   Multifamily         12/01/07
      16725GMAC98C1   Multifamily         12/01/07
      16726GMAC98C1   Multifamily         12/01/07
      16731GMAC98C1   Retail              07/01/13
      16734GMAC98C1   Retail              01/30/08
      16739GMAC98C1   Office              01/01/18
      16757GMAC98C1   Office              03/01/08
      16761GMAC98C1   Other               01/01/05
      16762GMAC98C1   Industrial          01/01/08
      16773GMAC98C1   Multifamily         12/01/04
      16797GMAC98C1   Retail              05/22/10
      16801GMAC98C1   Retail              03/01/08
      16807GMAC98C1   Retail              01/01/08
      16809GMAC98C1   Industrial          02/01/08
      16810GMAC98C1   Retail              01/01/09
      16825GMAC98C1   Health Care         12/01/07
      16826GMAC98C1   Health Care         12/01/07
      16835GMAC98C1   Retail              02/01/10
      16837GMAC98C1   Retail              12/10/07
      16847GMAC98C1   Multifamily         01/01/08
      16848GMAC98C1   Multifamily         01/01/08
      16849GMAC98C1   Office              03/01/08
      16851GMAC98C1   Multifamily         01/01/08
      16861GMAC98C1   Retail              04/01/08
      16863GMAC98C1   Health Care         03/01/08
      16866GMAC98C1   Multifamily         11/01/17
      16867GMAC98C1   Multifamily         11/01/17
      16868GMAC98C1   Multifamily         11/01/17
      16869GMAC98C1   Multifamily         11/01/17
      16870GMAC98C1   Multifamily         11/01/17
      16871GMAC98C1   Multifamily         11/01/17
      16872GMAC98C1   Multifamily         11/01/17
      16873GMAC98C1   Multifamily         11/01/17
      16874GMAC98C1   Multifamily         11/01/17
      16875GMAC98C1   Multifamily         11/01/17
      16876GMAC98C1   Multifamily         11/01/17
      16877GMAC98C1   Multifamily         11/01/17
      16878GMAC98C1   Multifamily         11/01/17
      16879GMAC98C1   Multifamily         11/01/17
      16880GMAC98C1   Multifamily         11/01/17
      16881GMAC98C1   Multifamily         11/01/17
      16882GMAC98C1   Multifamily         11/01/17
      16883GMAC98C1   Multifamily         11/01/17
      16884GMAC98C1   Multifamily         11/01/17
      16885GMAC98C1   Multifamily         11/01/17
      16886GMAC98C1   Multifamily         11/01/17
      16887GMAC98C1   Multifamily         11/01/17
      16888GMAC98C1   Multifamily         11/01/17
      16889GMAC98C1   Multifamily         11/01/17
      16890GMAC98C1   Multifamily         11/01/17
      16891GMAC98C1   Multifamily         11/01/17
      16892GMAC98C1   Multifamily         11/01/17
      16893GMAC98C1   Multifamily         11/01/17
      16894GMAC98C1   Multifamily         11/01/17
      16895GMAC98C1   Multifamily         11/01/17
      16896GMAC98C1   Multifamily         11/01/17
      16897GMAC98C1   Multifamily         11/01/17
      16898GMAC98C1   Multifamily         11/01/17
      16908GMAC98C1   Multifamily         01/01/08
      16910GMAC98C1   Retail              03/01/08
      16916GMAC98C1   Other               01/01/08
      16924GMAC98C1   Other               01/01/08
      16928GMAC98C1   Multifamily         01/01/08
      16929GMAC98C1   Retail              03/01/08
      16937GMAC98C1   Office              12/31/12
      16940GMAC98C1   Retail              03/01/08
      16942GMAC98C1   Retail              03/01/08
      16947GMAC98C1   Lodging             03/01/23
      16948GMAC98C1   Industrial          02/01/08
      16952GMAC98C1   Mixed Use           01/01/08
      16953GMAC98C1   Office              01/01/08
      16954GMAC98C1   Office              01/01/08
      16955GMAC98C1   Office              01/01/08
      16956GMAC98C1   Mixed Use           01/01/08
      16957GMAC98C1   Office              01/01/08
      16958GMAC98C1   Office              01/01/09
      16959GMAC98C1   Office              02/01/08
      16960GMAC98C1   Multifamily         02/01/08
      16964GMAC98C1   Multifamily         01/01/08
      16971GMAC98C1   Office              03/01/07
      16975GMAC98C1   Mixed Use           02/01/08
      16987GMAC98C1   Lodging             03/01/23
      16988GMAC98C1   Lodging             03/01/23
      16996GMAC98C1   Other               03/01/13
      16997GMAC98C1   Office              03/01/13
      16998GMAC98C1   Retail              03/01/18
      16999GMAC98C1   Retail              03/01/18
      17000GMAC98C1   Multifamily         01/01/08
      17004GMAC98C1   Office              03/01/08
      17028GMAC98C1   Office              03/01/08
      17032GMAC98C1   Multifamily         02/01/08
      17034GMAC98C1   Retail              02/01/08
      17049GMAC98C1   Health Care         03/01/08
      17054GMAC98C1   Retail              03/01/08
      17056GMAC98C1   Other               02/01/08
      17063GMAC98C1   Multifamily         02/01/08
      17070GMAC98C1   Multifamily         02/01/03
      17075GMAC98C1   Multifamily         03/01/08
      17088GMAC98C1   Other               07/01/18
      17093GMAC98C1   Office              12/31/04
      17102GMAC98C1   Multifamily         02/01/08
      17108GMAC98C1   Retail              03/01/08
      17113GMAC98C1   Multifamily         03/01/08
      17118GMAC98C1   Multifamily         03/01/08
      17119GMAC98C1   Multifamily         03/01/08
      17162GMAC98C1   Other               03/01/08
      17169GMAC98C1   Multifamily         03/01/08
      17177GMAC98C1   Office              03/01/08
      17194GMAC98C1   Other               02/01/08
      17223GMAC98C1   Office              02/01/05
      17232GMAC98C1   Industrial          03/01/08
      17236GMAC98C1   Retail              04/01/08
      17239GMAC98C1   Lodging             04/01/23
      17279GMAC98C1   Lodging             04/01/23
      17353GMAC98C1   Industrial          03/09/08


                      Operating                Ending
Disclosure            Statement                Principal      Note
Control #  DSCR       Date         State       Balance        Rate

          1   1.203253     12/31/98LA                  34,304,206      6.9800%
          2    1.58638     09/30/98FL                  11,813,916      7.3000%
          3    1.55127     12/31/98MD                  11,105,020      7.6500%
          4                        NJ                   8,875,241      7.3670%
          5    1.17629     12/31/98CA                   8,768,528      6.9400%
          7                        CO                   6,887,124      7.3800%
          8    1.18981     12/31/98MD                   5,112,087      7.5500%
          9    1.06669     12/31/98AZ                   4,891,355      7.0800%
         10    1.39409     12/31/98WI                   4,452,922      7.2000%
         11     1.3293     12/31/98FL                   4,142,307      7.3200%
         12    1.24845     12/31/98MA                   4,040,916      7.0700%
         13    1.32723     12/31/98MA                   2,656,482      7.0500%
         14    2.00525     12/31/98CA                   2,449,047      7.5000%
         15     1.5164     12/31/98MD                   1,761,193      7.5500%
         16    1.16588     12/31/98NJ                   1,424,688      7.2000%
         17                        MI                   1,008,241      7.2650%
         18   1.501941     12/31/98TX                  61,009,299      7.1430%
         19                        NY                  20,496,791      7.4050%
         23    2.24125     12/31/98CA                   7,197,835      6.8900%
         24    1.61088     12/31/98AZ                   5,366,999      7.1100%
         25    1.28508     12/31/98CA                   4,933,671      7.1700%
         26                        NY                   3,921,326      7.7300%
         27    1.71747     12/31/98VA                   3,751,024      7.3200%
         28    1.47276     12/31/98KY                   3,455,410      7.3800%
         30    2.75612     09/30/98NJ                   2,862,623      7.3200%
         31                        NY                   2,467,089      7.2100%
         32                        NY                   2,156,891      7.3400%
         33   1.436223     12/31/98MI                   2,056,723      7.0100%
         34    1.31551     12/31/98NY                   1,516,483      7.1300%
      15888    0.96673     12/31/98RI                  15,462,993      7.4400%
      16084                        NY                   6,097,096      8.1250%
      16145    1.35803     12/31/98TX                   2,685,572      7.6600%
      16173    1.41397     06/30/98PA                   5,695,217      8.4500%
      16174    1.68542     06/30/98PA                   7,069,925      8.4500%
      16223    1.09554     12/31/98CA                   1,625,251      8.3000%
      16257   1.943583     12/31/98MI                   6,874,694      7.1000%
      16288    1.22039     09/30/98TX                   2,658,363      7.0300%
      16304    0.39662     12/31/98FL                   1,021,525      7.5000%
      16305    0.83863     12/31/98FL                     630,155      7.6250%
      16424    1.30277     12/31/98TX                   2,707,245      7.5700%
      16458    1.66066     12/31/98CA                   4,580,174      7.7500%
      16482    5.52586     12/31/98CA                     942,796      8.2400%
      16498    1.41275     12/31/98NJ                   2,211,603      7.5700%
      16510    1.97178     12/31/98CA                   3,335,245      8.1600%
      16517                        WA                   2,156,996      7.7700%
      16522    2.39049     12/31/98CA                   4,108,983      8.8750%
      16539    2.09713     12/31/98WA                  48,039,836      7.3400%
      16547    1.48629     12/31/98NY                  34,493,280      7.3600%
      16553    1.50881     12/31/98CA                   5,641,497      7.9000%
      16571    1.42521     12/31/98OR                   8,564,477      7.5600%
      16592     1.3215     12/31/98AZ                   5,138,139      7.6250%
      16598    1.63546     06/30/98CA                     976,704      7.7500%
      16609    1.00524     09/30/98MA                  16,127,778      7.3750%
      16614   0.412234     12/31/98DE                  13,205,046      7.0200%
      16632    1.87348     12/31/98WA                   5,574,265      7.7500%
      16633    2.32499     12/31/98WA                   6,106,745      7.5000%
      16658    1.22127     12/31/98TX                   8,269,653      7.5800%
      16662    1.63338     09/30/98CA                   1,629,462      7.5000%
      16662    1.63338     09/30/98CA                   1,629,462      7.5000%
      16665     1.7184     12/31/98VA                   2,252,674      7.4700%
      16666    1.82209     12/31/98VA                   1,575,985      7.4700%
      16686     1.3736     09/30/98MO                   6,678,567      7.2800%
      16691    1.31075     12/31/98UT                  11,425,558      7.4600%
      16695     1.7192     12/31/98CA                   1,419,013      7.5000%
      16708    1.87406     11/30/98AZ                   1,389,274      7.8750%
      16717    2.26446     09/30/98TN                   3,433,366      7.9400%
      16721                        FL                   6,569,237      7.7800%
      16724    0.73003     12/31/98AZ                   7,769,407      7.2500%
      16725    0.80295     12/31/98AZ                   8,851,223      7.2500%
      16726    0.50807     12/31/98AZ                   5,507,428      7.2500%
      16731    1.46628     12/31/98VA                   3,957,171      7.5000%
      16734    1.55026     12/31/98CT                     878,938      7.5400%
      16739   1.200366     09/30/98NE                   5,967,236      7.2100%
      16757    1.42287     12/31/98NC                   3,224,474      7.2500%
      16761    1.44367     12/31/98TX                   9,851,633      7.5300%
      16762    1.44768     09/30/98FL                   2,168,719      7.7500%
      16773    1.09382     12/31/98FL                   1,230,771      7.6250%
      16797    0.98859     12/31/98CT                   3,483,701      7.1250%
      16801    0.87348     12/31/98UT                   2,268,224      7.2900%
      16807   1.430771     12/31/98CA                   7,386,562      7.4300%
      16809    2.00549     12/31/98MN                   2,313,553      7.0000%
      16810    1.14922     09/30/98CA                  25,112,081      7.4000%
      16825    1.35032     09/30/98TX                   9,217,058      7.3800%
      16826    1.64364     09/30/98TX                  10,972,688      7.3800%
      16835                        NJ                   2,350,010      7.7500%
      16837    1.47745     12/31/98MN                  44,268,105      7.0500%
      16847    1.53154     12/31/98MD                   7,090,890      7.4200%
      16848    1.12261     12/31/98MD                   3,781,920      7.4300%
      16849    1.35166     10/31/98NC                   3,945,055      7.3200%
      16851   1.366583     12/31/98MD                   3,269,687      7.4200%
      16861     1.5649     12/31/98UT                     980,555      7.3900%
      16863    1.12234     09/30/98AR                   2,636,984      7.9800%
      16866    2.31994     12/31/98AZ                   3,749,451      7.0190%
      16867    2.42634     12/31/98AZ                   2,055,807      7.0190%
      16868    2.51359     12/31/98AZ                   2,777,477      7.0190%
      16869    2.21064     12/31/98AZ                   3,964,108      7.0190%
      16870     2.0977     12/31/98AZ                   7,101,391      7.0190%
      16871    2.32583     12/31/98AZ                   2,160,050      7.0190%
      16872    2.18831     12/31/98AZ                   2,012,479      7.0190%
      16873    2.14229     12/31/98AZ                   1,520,168      7.0190%
      16874    2.03801     12/31/98AZ                   7,706,907      7.0190%
      16875    2.11478     12/31/98AZ                   4,051,168      7.0190%
      16876    2.40468     12/31/98AZ                   8,692,296      7.0190%
      16877    2.28336     12/31/98AZ                   3,768,418      7.0190%
      16878    1.55262     12/31/98AZ                   3,121,188      7.0190%
      16879    2.23522     12/31/98AZ                   2,752,063      7.0190%
      16880    1.84799     12/31/98AZ                           0      0.0000%
      16881    2.53396     12/31/98TX                   1,188,655      7.0190%
      16882      2.527     12/31/98TX                   3,027,582      7.0190%
      16883    2.39227     12/31/98TX                   4,009,571      7.0190%
      16884    2.43097     12/31/98TX                   2,045,914      7.0190%
      16885    2.58428     12/31/98TX                   1,220,428      7.0190%
      16886    2.65485     12/31/98TX                   2,229,084      7.0190%
      16887     2.8955     12/31/98TX                   2,029,303      7.0190%
      16888    2.69848     12/31/98TX                   1,602,600      7.0190%
      16889    2.39987     12/31/98TX                   2,643,737      7.0190%
      16890    2.23005     12/31/98TX                   2,250,415      7.0190%
      16891    1.88084     12/31/98FL                   6,814,429      7.0190%
      16892    2.16974     12/31/98GA                   3,527,791      7.0190%
      16893    2.03109     12/31/98GA                   5,327,058      7.0190%
      16894    2.50607     12/31/98GA                   4,118,038      7.0190%
      16895    2.26239     09/30/98IL                   6,489,421      7.0190%
      16896    2.43181     12/31/98MI                   4,313,505      7.0190%
      16897    2.82654     09/30/98MI                   2,338,346      7.0190%
      16898    1.96528     12/31/98NC                   3,160,269      7.0190%
      16908    1.73651     12/31/98NY                   5,515,000      7.2700%
      16910    1.21016     12/31/98ID                   2,267,171      7.1200%
      16916   1.158264     12/31/98NJ                   9,842,540      7.2200%
      16924   1.481189     12/31/98NJ                   1,635,001      7.0500%
      16928    1.92775     09/30/98CA                   3,030,000      7.0700%
      16929    1.06731     09/30/98IL                   3,328,012      7.2500%
      16937    2.90899     12/31/98NY                  45,000,000      6.8500%
      16940    1.66321     12/31/98FL                   2,957,749      7.0500%
      16942    0.81074     06/30/98NV                   5,630,556      7.3750%
      16947    2.41119     12/31/98FL                  11,764,707      7.7500%
      16948     1.4044     12/31/98CA                   2,953,384      6.9900%
      16952    1.29918     12/31/98GA                     749,368      7.3750%
      16953    1.38198     12/31/98GA                   1,122,574      7.3750%
      16954     1.1039     12/31/98GA                   1,033,950      7.3750%
      16955    1.44707     12/31/98GA                   2,018,664      7.3750%
      16956    1.52227     12/31/98GA                   2,776,894      7.3750%
      16957    1.84998     09/30/98GA                   1,772,486      7.3750%
      16958    1.60033     12/31/98GA                   1,994,047      7.3750%
      16959     1.4753     12/31/98FL                   4,430,208      7.0000%
      16960    1.32188     12/31/98UT                   9,048,522      6.7000%
      16964     1.1243     12/31/98MI                  16,710,715      6.7900%
      16971                        MO                   1,500,011      7.2500%
      16975   1.388256     12/31/98CA                   5,711,911      7.1100%
      16987    1.36876     12/31/98OR                   8,478,684      7.7700%
      16988    1.54859     12/31/98OR                  10,152,338      7.7700%
      16996    1.66997     12/31/98OR                   4,936,436      7.7200%
      16997   1.310907     12/31/98OR                   3,326,739      7.6700%
      16998     0.9563     12/31/98MO                   2,702,017      6.8000%
      16999    1.01735     12/31/98MO                   3,295,496      6.8000%
      17000                        NY                   1,430,131      7.9400%
      17004    1.21529     12/31/98CA                   8,448,394      7.1300%
      17028    1.70805     12/31/98IL                   5,668,005      7.1250%
      17032   1.766095     12/31/98MD                   2,755,320      6.8500%
      17034    1.51115     12/31/98MN                   4,213,870      7.3750%
      17049    2.89166     09/30/98RI                   1,499,743      7.6200%
      17054    1.33382     12/31/98VA                  15,024,517      7.3900%
      17056   1.232227     12/31/98VV                  33,682,784      6.7500%
      17063     1.1654     09/30/98MO                   6,697,900      7.1700%
      17070    1.27009     12/31/98CA                   6,422,253      6.9200%
      17075    0.11691     12/31/98TX                  11,741,710      7.0100%
      17088    1.20339     12/31/98CA                  15,053,975      7.6300%
      17093     0.9585     12/31/98NY                  13,423,756      6.9100%
      17102    1.45635     12/31/98MD                   1,963,049      7.3400%
      17108    1.37276     12/31/98CA                   2,270,128      7.6100%
      17113   1.175613     12/31/98MI                   2,662,554      7.2700%
      17118   1.334696     09/30/98DC                   2,553,829      7.6000%
      17119   1.107177     09/30/98DC                     407,132      7.6000%
      17162   1.445135     12/31/98MO                   4,565,539      7.2500%
      17169    1.56284     12/31/98DE                   2,449,656      7.0000%
      17177    1.39536     12/31/98CA                   1,391,001      7.4200%
      17194    1.40313     06/30/98VV                 220,982,269      6.8100%
      17223    1.08589     12/31/98TX                   2,464,427      7.4500%
      17232    1.37272     09/30/98CA                   1,442,794      7.4200%
      17236    1.86211     12/31/98CA                   5,626,714      7.2300%
      17239    1.56047     12/31/98DC                  60,833,964      7.5000%
      17279    1.43288     12/31/98NY                   7,607,077      7.6250%
      17353     0.9585     12/31/98NY                   4,203,399      6.9100%

                                                  1,408,684,081.58

                                                  Loan
Disclosure Scheduled               Prepayment     Status
Control #  P&I        Prepayment   Date           Code (1)

          1 331,265.50         0.00
          2  82,268.51         0.00
          3  79,820.36         0.00                A
          4  66,462.97         0.00                A
          5  58,853.72         0.00
          7  48,371.12         0.00
          8  42,887.47         0.00                A
          9  35,594.54         0.00
         10  32,741.29         0.00                A
         11  28,851.09         0.00
         12  27,470.42         0.00
         13  21,403.33         0.00
         14  18,475.17         0.00
         15  14,775.33         0.00                A
         16   9,808.49         0.00
         17   7,454.87         0.00
         18 418,459.01         0.00
         19 143,809.00         0.00                A
         23  48,028.99         0.00
         24  36,595.23         0.00
         25  33,837.93         0.00
         26  30,160.65         0.00                A
         27  26,103.36         0.00
         28  24,185.58         0.00
         30  19,921.00         0.00                A
         31  16,986.63         0.00                A
         32  16,029.54         0.00                A
         33  14,855.75         0.00
         34  14,497.79         0.00                A
      15888 109,132.36         0.00                B
      16084  48,460.75         0.00                A
      16145  19,353.03         0.00
      16173  46,507.90         0.00
      16174  57,733.95         0.00
      16223  13,112.11         0.00                B
      16257  48,034.57         0.00
      16288  18,017.60         0.00
      16304   7,250.85         0.00
      16305   4,529.88         0.00
      16424  19,360.39         0.00
      16458  33,313.17         0.00
      16482   9,695.59         0.00
      16498  16,804.24         0.00
      16510  26,603.14         0.00
      16517  16,646.13         0.00                B
      16522  34,887.44         0.00
      16539 357,021.52         0.00
      16547 241,378.60         0.00
      16553  41,609.61         0.00
      16571  61,189.50         0.00
      16592  37,207.46         0.00                B
      16598   7,553.29         0.00
      16609 112,925.39         0.00
      16614  89,330.59         0.00                A
      16632  43,053.74         0.00
      16633  46,186.95         0.00
      16658  59,194.86         0.00
      16662  11,537.04         0.00
      16662  11,537.04         0.00
      16665  15,944.08         0.00
      16666  11,154.58         0.00
      16686  49,644.74         0.00                A
      16691  80,791.40         0.00                A
      16695  13,905.19         0.00                B
      16708  10,842.47         0.00
      16717  26,874.60         0.00                A
      16721  50,739.06         0.00                A
      16724  53,891.93         0.00
      16725  61,395.87         0.00
      16726  38,201.87         0.00
      16731  29,929.14         0.00
      16734   7,353.17         0.00
      16739  48,853.16         0.00
      16757  22,307.16         0.00                A
      16761  70,126.99         0.00
      16762  15,761.07         0.00
      16773   8,847.42         0.00
      16797  38,337.79         0.00                B
      16801  15,752.50         0.00
      16807  52,082.06         0.00
      16809  15,634.61         0.00
      16810 176,556.85         0.00                A
      16825  69,098.72         0.00
      16826  82,260.38         0.00
      16835  18,127.89         0.00
      16837 300,898.74         0.00
      16847  49,949.62         0.00                A
      16848  26,666.02         0.00                A
      16849  27,477.22         0.00                A
      16851  23,032.32         0.00                A
      16861   7,318.51         0.00
      16863  20,912.13         0.00
      16866  30,409.56         0.00
      16867  16,673.42         0.00
      16868  22,526.46         0.00
      16869  32,150.52         0.00
      16870  57,595.14         0.00
      16871  17,518.87         0.00
      16872  16,322.02         0.00
      16873  12,329.17         0.00
      16874  62,506.12         0.00
      16875  32,856.60         0.00
      16876  70,498.03         0.00
      16877  30,563.39         0.00
      16878  25,314.10         0.00
      16879  22,320.34         0.00
      16880       0.00         0.00
      16881   9,640.47         0.00
      16882  24,554.91         0.00
      16883  32,519.24         0.00
      16884  16,593.19         0.00
      16885   9,898.16         0.00
      16886  18,078.77         0.00
      16887  16,458.47         0.00
      16888  12,997.73         0.00
      16889  21,441.77         0.00
      16890  18,251.77         0.00
      16891  55,267.76         0.00
      16892  28,611.81         0.00
      16893  43,204.59         0.00
      16894  33,398.95         0.00
      16895  52,631.82         0.00
      16896  34,984.27         0.00
      16897  18,964.93         0.00
      16898  25,631.06         0.00                A
      16908  33,411.71         0.00
      16910  15,487.76         0.00
      16916  68,014.26         0.00                A
      16924  13,231.15         0.00
      16928  17,851.75         0.00
      16929  23,023.45         0.00                B
      16937 256,875.00         0.00
      16940  20,271.93         0.00
      16942  42,025.58         0.00
      16947  90,639.46         0.00
      16948  19,938.93         0.00
      16952   5,256.04         0.00
      16953   7,873.70         0.00
      16954   7,252.09         0.00                A
      16955  14,158.84         0.00
      16956  19,477.04         0.00                A
      16957  12,432.15         0.00                A
      16958  13,986.17         0.00                A
      16959  29,938.61         0.00
      16960  59,947.30         0.00
      16964 111,819.35         0.00                A
      16971  21,476.57         0.00
      16975  39,016.97         0.00                B
      16987  66,109.34        39.10
      16988  79,101.92         0.00
      16996  35,717.01         0.00
      16997  23,957.06         0.00
      16998  21,373.51         0.00
      16999  26,068.05         0.00
      17000  10,579.00         0.00                B
      17004  58,361.84         0.00
      17028  38,738.82         0.00
      17032  18,347.26         0.00                A
      17034  36,852.49         0.00
      17049  19,969.46         0.00                A
      17054 106,454.33         0.00
      17056 238,502.66         0.00                A
      17063  46,019.58         0.00                A
      17070  43,060.98         0.00
      17075  85,691.56         0.00
      17088 115,110.04         0.00
      17093 248,271.16         0.00
      17102  13,710.76         0.00                A
      17108  16,255.53         0.00
      17113  18,455.40         0.00
      17118  18,269.68         0.00                A
      17119   2,912.56         0.00                A
      17162  31,584.76         0.00
      17169  16,706.78         0.00
      17177   9,781.80         0.00
      171941,584,575.7         0.00                A
      17223  17,394.85         0.00
      17232  10,146.02         0.00
      17236  39,218.52         0.00
      17239 462,638.91         0.00
      17279  58,473.47         0.00                A
      17353  50,000.00         0.00

                              39.10

* NOI and DSCR, if available and reportable under the terms
of the trust agreement are based on information obtained from
the related borrower, and no other party to the agreement
shall be held liable for the  accuracy or methodology used
to determine such figures.

(1)   Legend:

A.  P&I Adv -  in Grace Period
B.  P&I Adv -  < one month delinq

1.  P&I Adv -  delinquent 1 month
2.  P&I Adv -  delinquent 2 months

3.  P&I Adv -  delinquent 3+ months
4.  Mat. Balloon/Assumed  P&I

5. Prepaid in Full
6. Specially  Serviced

7. Foreclosure
8. Bankruptcy

9. REO
10. DPO
11. Modification


ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203

Statement Date:            08/16/99
Payment Date:              08/16/99
Prior Payment:             07/15/99
Record Date:               07/30/99


           Beginning
Disclosure Scheduled  Interest     Maturity
Control #  Balance    Rate         Date


          0



                      Specially Serviced Loan Detail
                      Specially
Disclosure Property   Serviced
Control #  Type       Status Code (Comments
                                  0              0
                                  0              0
          0                       0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0
                                  0              0


(1)        Legend :
           1)  Request for waiver of Prepayment Penalty
           2)   Payment default
           3)   Request for Loan Modification or Workout
           4)  Loan with Borrower Bankruptcy
           5)  Loan in Process of Foreclosure
           6)  Loan now REO Property


ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107

GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203

Statement Date:            08/16/99
Payment Date:              08/16/99
Prior Payment:             07/15/99
Record Date:               07/30/99

Modified Loan Detail
Disclosure ModificatioModification
Control #  Date       Description
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0
          0   01/00/00            0


ABN AMRO
LaSalle Bank N.A.

Administrator:
  Ann Kelly  (800) 246-5761
  135 S. LaSalle Street   Suite 1625
  Chicago, IL   60674-4107


GMAC Commercial Mortgage Securities, Inc.
GMAC Commercial Mortgage Corporation as Servicer
Mortgage Pass-Through Certificates
Series 1998-C1

ABN AMRO Acct: 677923203

Statement D   08/16/99
Payment Dat   08/16/99
Prior Payme   07/15/99
Record Date   07/30/99

Realized Loss Detail

                                                  Beginning
Dist.      Disclosure Appraisal    Appraisal      Scheduled
Date       Control #  Date         Value          Balance
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
   01/00/00          0     01/00/00           0.00           0.00
Current Total                                 0.00
Cumulative                                    0.00

                      Gross ProceedAggregate      Net      Net Proceeds
Dist. Gross      as a % of    Liquidation    Liquidation   as a % of    Realized
Date  Proceeds   Sched PrincipExpenses *     Proceeds      Sched.Balanc Loss
01/00/00       0.00                        0.00
01/00/00       0.00                        0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
01/00/00       0.00        0.00%        0.00           0.00        0.00%    0.00
Current Tot    0.00                     0.00           0.00                 0.00
Cumulative     0.00                     0.00           0.00                 0.00

* Aggregate liquidation expenses also include outstanding
P&I advances and unpaid servicing fees, unpaid trustee fees,
etc..
_



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