BLACKROCK CALIFORNIA INSURED MUNICIPAL 2008 TERM TRUST INC
N-30D, 2000-03-01
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- --------------------------------------------------------------------------------
         THE BLACKROCK CALIFORNIA INSURED MUNICIPAL 2008 TERM TRUST INC.
                          ANNUAL REPORT TO SHAREHOLDERS
                          REPORT OF INVESTMENT ADVISOR
- --------------------------------------------------------------------------------

                                                                January 31, 2000

Dear Shareholder:

         After easing  monetary  policy three times during the fourth quarter of
1998,  the Federal  Reserve  reversed  its trend by raising the Fed funds target
rate 75 basis  points (to 5.50%)  over the course of 1999 in  response to robust
GDP, low  unemployment  and rising  equity  prices.  U.S.  Treasury  yields rose
significantly  during  the past  twelve  months,  with the yield of the  30-year
Treasury rising above 6.00% for the first time since May 1998.

         Despite the rise in Treasury  yields,  continued strong economic growth
may spur the Federal Reserve to proactively  fight perceived  inflation  through
continued  monetary  policy  tightening  in 2000.  Until the  inflation  picture
becomes  clearer,  we  expect  interest  rates to  remain  largely  range-bound.
Accordingly,  we will  continue  to seek  the  most  attractive  relative  value
opportunities  and utilize our proprietary  risk management  systems to help the
Trust to achieve its investment objectives.

         This report contains a summary of market  conditions  during the annual
period and a review of portfolio  strategy by your Trust's  managers in addition
to the Trust's audited financial statements and a detailed portfolio list of the
Trust's  holdings.  Continued  thanks  for  your  confidence  in  BlackRock.  We
appreciate the opportunity to help you achieve your long-term investment goals.

Sincerely,


/S/ LAURENCE D. FINK                                    /S/ RALPH L. SCHLOSSTEIN
- --------------------                                    ------------------------
    Laurence D. Fink                                        Ralph L. Schlosstein
    Chairman                                                President

                                       1

<PAGE>

                                                                January 31, 2000


Dear Shareholder:

         We  are  pleased  to  present  the  annual  report  for  The  BlackRock
California  Insured  Municipal  2008 Term Trust Inc.  (the "Trust") for the year
ended  December 31, 1999. We would like to take this  opportunity  to review the
Trust's   stock  price  and  net  asset  value  (NAV)   performance,   summarize
developments in the fixed income markets and discuss recent portfolio management
activity.

         The Trust is a  non-diversified  closed-end  bond fund whose shares are
traded on the New York  Stock  Exchange  under the  symbol  "BFC."  The  Trust's
investment  objective is to manage a portfolio of municipal debt securities that
will  return  $15 per share  (an  amount  equal to the  Trust's  initial  public
offering  price) to investors on or about  December  31, 2008,  while  providing
current income exempt from regular federal and California  income tax. The Trust
seeks to achieve this  objective by investing in high credit  quality  ("AAA" or
insured to "AAA")  California  tax-exempt  general  obligation and revenue bonds
issued by city, county and state municipalities.

         The table below  summarizes  the changes in the Trust's stock price and
NAV over the past year:


- --------------------------------------------------------------------------------
                        12/31/99   12/31/98     Change     High       Low
- --------------------------------------------------------------------------------
Stock Price             $13.875    $15.9375   (12.94)%    $16.00    $13.6875
- --------------------------------------------------------------------------------
Net Asset Value (NAV)   $16.11      $17.12     (5.90)%    $17.31    $16.11
- --------------------------------------------------------------------------------


THE FIXED INCOME MARKETS

         The U.S. economy sustained its growth during the past twelve months, as
U.S.  exports and  manufacturing  continued to rebound.  Additionally,  consumer
strength remains an important contributor to economic growth as low unemployment
and rising incomes fuel domestic  demand.  After  lowering  interest rates three
times in the second half of 1998, and despite inflation  concerns as measured by
CPI and PPI remaining relatively benign, the Federal Reserve (the "Fed") adopted
a tightening bias and raised its target for the Federal funds rate from 4.75% to
5.50%  between June and November  1999. In a statement  accompanying  the latest
tightening  on November 16, it was  indicated  that the Fed believes that growth
"continues in excess of the economy's growth potential";  nevertheless,  the Fed
reversed their tightening stance by adopting a neutral bias.

         U.S. Treasury yields rose  dramatically  during 1999, with the yield of
the 30-year Treasury  increasing by 139 basis points to close the year at 6.48%.
Bond prices, which move inversely to their yields, were punished by the constant
threat of  inflation  in response to the strong  economic  data and the market's
uncertainty  over the  Fed's  policy  throughout  the year.  Recently,  a weaker
dollar, higher commodity prices and strong gains in the U.S. and European equity
markets have depressed overall demand for fixed income securities.

         Municipals underperformed the taxable market during the year, posting a
pre-tax  -2.07%  total  return as  measured by the LEHMAN  MUNICIPAL  BOND INDEX
versus the LEHMAN  AGGREGATE'S  -0.83%.  As interest rates rose to their highest
level in four  years  during  the  third  quarter  of 1999,  retail  demand  for
municipal  securities  increased  dramatically.  This rise in municipal interest
rates is directly  related to the  increase of  alternative  taxable  investment
spreads over Treasuries.  Currently  municipals are  substantially  cheaper than
their long-term average valuations as compared to Treasuries. Unlike the taxable
market,  which  witnessed a surge of supply by issuers trying to avoid potential
year-end market dislocations due to Y2K, the

                                        2
<PAGE>

volume  of new  municipal  issuance  is down  significantly  from  1998's  pace,
creating a positive  technical  environment.  We believe that the current market
environment  offers  some of the most  attractive  investment  opportunities  in
municipals in the last few years.

         Standard  & Poor's  raised the  State's  general  obligation  rating in
August to AA- from A+,  citing the  continued  economic  expansion  and improved
fiscal  and  budgetary  performance.   Payroll  employment  grew  for  the  40th
consecutive month with September results setting a new record high at 14 million
non-farm employees.  On a year-over-year basis, non-farm employment grew 2.8% in
spite  of the  slow  but  steady  decline  in  manufacturing,  primarily  in the
aerospace sector.  Unemployment dropped to 4.9% in September, the State's lowest
rate ever since recording began in January 1970 and only 0.7% above the national
average.  The State's fiscal 2000 budget is based upon conservative  assumptions
providing some  flexibility.  Overall revenue  collections  through October were
greater  than  anticipated,  providing  the  State  with an  improved  liquidity
position  which should allow it to weather  potential  future  volatility in the
economically sensitive revenue stream.


THE TRUST'S PORTFOLIO AND INVESTMENT STRATEGY

         The  Trust's  portfolio  is managed to  diversify  exposure  to various
sectors,  issuers,  revenue sources and security types.  BlackRock's  investment
strategy  emphasizes  a  relative  value  approach,  which  allows  the Trust to
capitalize upon changing  market  conditions by rotating  municipal  sectors and
coupons.  Additionally,  the Trust  emphasizes  securities  whose maturity dates
match the termination date of the Trust.

         Over the year,  trading activity in the Trust remained  relatively low,
as many of the securities in the Trust's portfolio  continued to trade at prices
above where they were purchased.  As trading  activity that results in the Trust
realizing a capital gain could  require a taxable  distribution,  we continue to
believe that waiting to  restructure  the  portfolio in a higher  interest  rate
environment is the most prudent portfolio  management  strategy.  At present, we
are  confident  that the Trust is on schedule to achieve its primary  investment
objective of returning $15 per share upon  termination and will continue to seek
investment opportunities in the municipal market.

         Additionally,  the Trust  employs  leverage  to  enhance  its income by
borrowing at  short-term  municipal  rates and  investing the proceeds in longer
maturity  issues  that have  higher  yields.  The  degree to which the Trust can
benefit  from its use of  leverage  may affect its  ability to pay high  monthly
income.

                                       3

<PAGE>


         The following  chart compares the Trust's current and December 31, 1998
asset composition:


- --------------------------------------------------------------------------------
         THE BLACKROCK CALIFORNIA INSURED MUNICIPAL 2008 TERM TRUST INC.
- --------------------------------------------------------------------------------
SECTOR                                       DECEMBER 31, 1999 DECEMBER 31, 1998
- --------------------------------------------------------------------------------
Lease Revenue & Certificates of Participation      26%                26%
- --------------------------------------------------------------------------------
Transportation                                     20%                20%
- --------------------------------------------------------------------------------
Water & Sewer                                      20%                20%
- --------------------------------------------------------------------------------
County, City & State                               12%                 9%
- --------------------------------------------------------------------------------
Special District                                    7%                 6%
- --------------------------------------------------------------------------------
Utility/Power                                       6%                 9%
- --------------------------------------------------------------------------------
Hospital                                            5%                 5%
- --------------------------------------------------------------------------------
Education                                           2%                 3%
- --------------------------------------------------------------------------------
Tax Revenue                                         2%                 2%
- --------------------------------------------------------------------------------

         As a result of an internal  reorganization  effective  January 1, 2000,
BlackRock Advisors,  Inc. has replaced BlackRock Financial  Management,  Inc., a
wholly-owned subsidiary of BlackRock Advisors, Inc. as the Advisor of the Trust.
The investment management and other personnel responsible for providing services
to the Trust did not change as a result of the  reorganization.  We look forward
to managing the Trust to benefit from the  opportunities  available in the fixed
income  markets  and to meet its  investment  objectives.  We thank you for your
investment in the BlackRock  California  Insured  Municipal 2008 Term Trust Inc.
Please feel free to contact our marketing center at (800) 227-7BFM (7236) if you
have specific questions which were not addressed in this report.

Sincerely,

/S/ ROBERT S. KAPITO                /S/ KEVIN M. KLINGERT
- --------------------                ---------------------
Robert S. Kapito                        Kevin M. Klingert
Vice Chairman and Portfolio Manager     Managing Director and Portfolio Manager
BlackRock Advisors, Inc.                BlackRock Advisors, Inc.


- --------------------------------------------------------------------------------
         THE BLACKROCK CALIFORNIA INSURED MUNICIPAL 2008 TERM TRUST INC.
- --------------------------------------------------------------------------------
Symbol on New York Stock Exchange:                                  BFC
- --------------------------------------------------------------------------------
Initial Offering Date:                                      September 18, 1992
- --------------------------------------------------------------------------------
Closing Stock Price as of 12/31/99:                                $13.875
- --------------------------------------------------------------------------------
Net Asset Value as of 12/31/99:                                    $16.11
- --------------------------------------------------------------------------------
Yield on Closing Stock Price as of 12/31/99 ($13.875)1:              5.57%
- --------------------------------------------------------------------------------
Current Monthly Distribution per Common Share2:                 $  0.064375
- --------------------------------------------------------------------------------
Current Annualized Distribution per Common Share2:              $  0.772525
- --------------------------------------------------------------------------------

1  Yield on Closing Stock Price is calculated by dividing the current annualized
   distribution per share by the closing stock price per share.

2  Distribution is not constant and is subject to change.

                                        4

<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK CALIFORNIA INSURED MUNICIPAL 2008 TERM TRUST INC.
PORTFOLIO OF INVESTMENTS DECEMBER 31, 1999
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
            PRINCIPAL                                                                           OPTION CALL
   RATING*   AMOUNT                                                                             PROVISIONS+              VALUE
 (UNAUDITED)  (000)                           DESCRIPTION                                       (UNAUDITED)             (NOTE 1)
- -----------------------------------------------------------------------------------------------------------------------------------
                      LONG-TERM INVESTMENTS--144.1%
                      CALIFORNIA--141.7%
                      California Hlth. Fac. Fin. Auth. Rev.,
<S>        <C>        <C>                                                                      <C>                    <C>
   AAA     $ 6,850      Marin Gen. Hosp., Ser. A, 5.75%, 8/01/09, FSA .....................       8/03 @ 102          $  7,048,033
   AAA       2,000      Sutter Hlth. Care Sys., 5.70%, 8/15/09, MBIA ......................       8/06 @ 102             2,077,340
                      California St., G.O.,
   AAA       3,000      5.50%, 4/01/09, MBIA ..............................................      No Opt. Call            3,096,930
   AAA       2,000      6.25%, 9/01/08, FGIC ..............................................      No Opt. Call            2,169,780
   AAA      15,000      6.30%, 9/01/08, MBIA ..............................................      No Opt. Call           16,325,550
                      California St. Pub. Wks. Brd.,
   AAA       2,100      Energy Efficiency, Ser. A, 5.625%, 10/01/08, AMBAC ................       10/05 @ 102            2,180,577
   AAA      10,255++    Lease Rev., 6.40%, 9/01/01, MBIA ..................................           N/A               10,777,595
   AAA       9,165    California St. Wide Cmnty. Dev. Auth., Lease Rev.,
                        6.00%,10/01/10, AMBAC .............................................       10/02 @ 102            9,601,896
   AAA       2,600    Castaic Lake Wtr. Agcy. C.O.P., Wtr. Sys. Impvt. Proj.,
                        Ser. A, 7.25%, 8/01/10, MBIA ......................................      No Opt. Call            3,012,126
   AAA       5,515++  Central Coast Wtr. Auth. Rev., St. Wtr. Proj. Reg. Fac.,
                        6.40%, 10/01/02, AMBAC ............................................           N/A                5,879,376
   AAA       5,500    Clovis Unified Sch. Dist., Ser. B, Zero Coupon, 8/01/08, FGIC .......           ETM                3,518,405
   AAA      13,740    East Bay Mun. Utils. Dist., Wtr. Sys. Rev., 6.00%,
                        6/01/09, AMBAC ....................................................        6/02 @ 102           14,348,407
   AAA       4,025    Elsinore Valley Mun. Wtr. Dist., C.O.P., Ser. A, 6.00%,
                        7/01/09, FGIC .....................................................      No Opt. Call            4,299,143
                      Los Angeles Cnty. Asset Leasing Corp. Rev., AMBAC,
   AAA       2,910      5.95%, 12/01/07 ...................................................      No Opt. Call            3,104,475
   AAA       8,090      6.00%, 12/01/08 ...................................................      No Opt. Call            8,655,168
   AAA       8,600      6.05%, 12/01/09 ...................................................      No Opt. Call            9,238,722
   AAA       1,000    Los Angeles Elec. Rev., 5.75%, 9/01/12, FGIC ........................       9/03 @ 102             1,023,850
   AAA       5,765++  Los Angeles Wastewtr. Sys. Rev., Ser. B, 6.25%, 6/01/02, AMBAC ......           N/A                6,095,911
   AAA       3,075++  Marysville Hosp. Rev., Fremont-Rideout Hlth. Group, Ser. A,
                        6.20%, 1/01/03, AMBAC .............................................           N/A                3,264,605
   AAA       8,000++  Modesto Irrig. Dist. Fin. Rev., Domestic Wtr. Proj., Ser. A,
                        6.00%, 9/01/02, AMBAC .............................................           N/A                8,438,800
                      Northern California Pwr. Agcy., Multiple Cap. Fac. Rev.,
                        Ser. A, MBIA,
   AAA         430++    6.40%, 8/01/02 ....................................................           N/A                  457,288
   AAA         570      6.40%, 8/01/07 ....................................................       8/02 @ 102               603,311
   AAA       1,280++    6.50%, 8/01/02 ....................................................           N/A                1,364,301
   AAA       1,725      6.50%, 8/01/08 ....................................................       8/02 @ 102             1,825,619
   AAA       1,000    Orange Cnty. Local Trans. Auth. Sales Tax Rev., 6.00%,
                        2/15/09, MBIA .....................................................      No Opt. Call            1,065,880
   AAA       5,600    Pittsburg Redev. Agcy. Tax Alloc. Rev., Los Medanos
                        Cmnty. Dev. Proj.,
                        5.50%, 8/01/07, FGIC ..............................................       8/02 @ 102             5,740,448
   AAA       3,075++  Riverside Cnty., Trans. Comm. Sales Tax Rev., Ser. A, 6.50%,
                        6/01/01, MBIA .....................................................           N/A                3,224,076
                      Sacramento Mun. Utils. Dist., Elec. Rev., Ser. C,
   AAA         825      5.75%, 11/15/07, MBIA .............................................           ETM                  869,137
   AAA       1,675      5.75%, 11/15/07, MBIA .............................................       11/02 @ 102            1,744,747
   AAA       3,750      5.75%, 11/15/08, FGIC .............................................           ETM                3,857,775
   AAA       2,500      5.75%, 11/15/08, FGIC .............................................       11/02 @ 102            2,587,625
   AAA       3,950      5.75%, 11/15/09, MBIA .............................................           ETM                4,162,431
   AAA         750      5.75%, 11/15/09, MBIA .............................................       11/02 @ 102              774,000
   AAA       5,700    San Bernardino Cnty. C.O.P., Arpt. Impvt., 6.00%, 7/01/07, MBIA .....       7/02 @ 102             5,966,817
   AAA       5,000    San Bernardino Cnty. Trans. Auth., Sales Tax Rev., 6.00%,
                        3/01/10, FGIC .....................................................           ETM                5,239,800
                      San Diego Cnty. Regl. Trans. Cmnty. Sales Tax Rev., Ser. A,
                      AAA  2,500                       6.00%, 4/01/08, FGIC ...............           ETM                2,620,750
   AAA       7,830      6.00%, 4/01/08, MBIA ..............................................           ETM                8,208,189
   AAA       7,650    San Diego Redev. Agcy. Rev., Tax Allocation-Centre City Proj.,
                        6.00%, 9/01/08, AMBAC .............................................       9/02 @ 102             8,000,905
                      San Jose Arpt. Rev., MBIA,
   AAA       8,010      6.00%, 3/01/09 ....................................................       3/03 @ 102             8,396,803
   AAA       3,000      6.00%, 3/01/10 ....................................................       3/03 @ 102             3,145,770
   AAA       3,755      6.10%, 3/01/07 ....................................................       3/03 @ 102             3,966,406
</TABLE>

                       See Notes to Financial Statements.

                                        5
<PAGE>

<TABLE>
<CAPTION>
            PRINCIPAL                                                                           OPTION CALL
   RATING*   AMOUNT                                                                             PROVISIONS+              VALUE
 (UNAUDITED)  (000)                           DESCRIPTION                                       (UNAUDITED)             (NOTE 1)
- -----------------------------------------------------------------------------------------------------------------------------------
<S>        <C>        <C>                                                                      <C>                    <C>
   AAA     $ 2,865++  Santa Clara Cnty. Fin. Auth., Fac. Replacement Proj. A,
                        6.50%, 11/15/04, AMBAC ............................................            N/A             $ 3,136,230
   AAA       2,820    Santa Rosa Wtr. Rev., Ser. B, 6.20%, 9/01/09, FGIC ..................       9/02 @ 101.5           2,952,963
   AAA       5,000    So. California Rapid Trans. Dist., C.O.P., Workers Comp. Fund,
                        6.00%, 7/01/10, MBIA ..............................................       1/01 @ 102.5           5,178,500
                      So. California Rapid Trans. Dist. Rev., Spec. Benefit Assmt.
                        Dist. A1, AMBAC,
   AAA       5,750      5.50%, 9/01/09 ....................................................        9/02 @ 100            5,803,187
   AAA       5,500      6.00%, 9/01/08 ....................................................        9/02 @ 102            5,752,285
   AAA       8,500    Sonoma Cnty. C.O.P., Cap. Rites-Detention Fac., 6.00%,
                        11/15/10, AMBAC ...................................................        11/02 @ 102           8,915,140
   AAA       2,000    Univ. of California Rev., Multi-Purpose Projs., Ser. F-1989,
                        5.00%, 9/01/11, FGIC ..............................................        9/06 @ 101            1,954,180
   AAA       3,460++  West and Central Basin Fin. Auth. Rev.,6.125%, 8/01/02, AMBAC .......            N/A               3,656,701
   AAA       2,160    West Sacramento Fin. Auth. Rev., Wtr. Sys. Impvt., 5.25%,
                        8/01/08, FGIC .....................................................        8/02 @ 102            2,179,051
                                                                                                                       -----------
                                                                                                                       237,507,004
                                                                                                                       -----------
                      PUERTO RICO--2.4%
   AAA       4,000    Puerto Rico Mun. Fin. Agcy., Ser. A, 5.625%, 8/01/10, FSA ...........        8/09 @ 101            4,112,080
                                                                                                                       -----------
                      TOTAL LONG-TERM INVESTMENTS (COST $227,119,046) .....................                            241,619,084
                                                                                                                       -----------
                      SHORT-TERM INVESTMENT**--0.8%
  A-1+       1,300    Los Angeles Regl. Arpt Impvt. Corp. Lease Rev., 4.25%, 1/03/00, FRDD
                        (cost $1,300,000) .................................................            N/A               1,300,000
                                                                                                                       -----------
                      TOTAL INVESTMENTS--144.9% (COST $228,419,046) .......................                            242,919,084
                      Other assets in excess of liabilities--1.6% .........................                              2,752,640
                      Liquidation value of preferred stock--(46.5)% .......................                            (78,000,000)
                                                                                                                       -----------
                      NET ASSETS APPLICABLE TO COMMON SHAREHOLDERS--100% ..................                           $167,671,724
                                                                                                                       ===========
</TABLE>
- ----------------------
*  Using the higher of Standard & Poor's or Moody's rating.
** For  purposes  of  amortized  cost  valuation,  the  maturity  date  of  this
   instrument  is  considered  to be the  earlier  of the next date on which the
   security  can be  redeemed  at par,  or the next  date on  which  the rate of
   interest is adjusted.
+  Option call provisions:  date (month/year) and price of the earliest optional
   call or redemption.  There may be other call  provisions at varying prices at
   later dates.
++ This bond is prerefunded. See glossary for definition.

<TABLE>
<CAPTION>

- -----------------------------------------------------------------------------------------------------------
                        THE FOLLOWING ABBREVIATIONS ARE USED IN PORTFOLIO DESCRIPTIONS:
<S>                                                           <C>
  AMBAC -- American Municipal Bond Assurance Corporation       FRDD -- Floating Rate Daily Demand**
 C.O.P. -- Certificate of Participation                         FSA -- Financial Security Assurance
    ETM -- Escrowed to Maturity                                G.O. -- General Obligation
   FGIC -- Financial Guaranty Insurance Company                MBIA -- Municipal Bond Insurance Association
- -----------------------------------------------------------------------------------------------------------
</TABLE>

                    See Notes to Financial Statements.

                                        6

<PAGE>
- --------------------------------------------------------------------------------
THE BLACKROCK CALIFORNIA INSURED
MUNICIPAL 2008 TERM TRUST INC.
STATEMENT OF ASSETS AND LIABILITIES
DECEMBER 31, 1999
- --------------------------------------------------------------------------------
ASSETS
Investments, at value (cost $228,419,046)
    (Note 1) ...........................................      $242,919,084
Cash ...................................................            15,040
Interest receivable ....................................         3,704,137
Other assets ...........................................             4,859
                                                              ------------
                                                               246,643,120
                                                              ------------
LIABILITIES
Dividends payable-common stock .........................           669,957
Dividends payable-preferred stock ......................            73,815
Investment advisory fee payable (Note 2) ...............            63,775
Administration fee payable (Note 2) ....................            18,221
Other accrued expenses .................................           145,628
                                                              ------------
                                                                   971,396
                                                              ------------
NET INVESTMENT ASSETS ..................................      $245,671,724
                                                              ============
Net investment assets were comprised of:
    Common Stock:
       Par value (Note 4) ..............................         $ 104,071
       Paid-in capital in excess of par ................       144,619,829
    Preferred Stock (Note 4) ...........................        78,000,000
                                                              ------------
                                                               222,723,900
    Undistributed net investment income ................         8,447,786
    Net unrealized appreciation ........................        14,500,038
                                                              ------------
    Net investment assets, December 31, 1999 ...........      $245,671,724
                                                              ============
    Net assets applicable to common
       shareholders ....................................      $167,671,724
                                                              ============
Net asset value per common share:
    ($167,671,724 O 10,407,093 shares of
    common stock issued and outstanding) ...............            $16.11
                                                                    ======
- --------------------------------------------------------------------------------
THE BLACKROCKCALIFORNIA INSURED
MUNICIPAL 2008 TERMTRUST INC.
STATEMENT OF OPERATIONS
YEAR ENDED DECEMBER 31, 1999
- --------------------------------------------------------------------------------
NET INVESTMENT INCOME
Income
    Interest and discount earned .......................   $13,903,670
                                                           -----------
Operating expenses
    Investment advisory ................................       882,244
    Administration .....................................       252,070
    Auction agent ......................................       215,000
    Custodian ..........................................        80,500
    Reports to shareholders ............................        50,500
    Directors ..........................................        44,000
    Independent accountants ............................        34,000
    Registration .......................................        24,500
    Legal ..............................................        23,500
    Transfer agent .....................................        20,500
    Miscellaneous ......................................        77,425
                                                           -----------
    Total expenses .....................................     1,704,239
                                                           -----------
Net investment income ..................................    12,199,431
                                                           -----------
UNREALIZED LOSS ON
INVESTMENTS
Net change in unrealized appreciation on
    investments ........................................   (12,439,396)
                                                           -----------
NET DECREASE IN NET INVESTMENT
ASSETS RESULTING FROM OPERATIONS .......................    $ (239,965)
                                                           ===========

                       See Notes to Financial Statements.

                                        7

<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK CALIFORNIA INSURED MUNICIPAL 2008 TERM TRUST INC.
STATEMENTS OF CHANGES INNET INVESTMENT ASSETS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                                            YEAR ENDED DECEMBER 31,
                                                                                           -------------------------
                                                                                          1999                 1998
                                                                                      ------------         ------------
INCREASE (DECREASE) IN NET INVESTMENT ASSETS
OPERATIONS:
<S>                                                                                  <C>                    <C>
    Net investment income ......................................................     $  12,199,431          $ 12,234,667
    Net change in unrealized appreciation on investments .......................       (12,439,396)            2,624,041
                                                                                      ------------          ------------
    Net increase (decrease) in net investment
        assets resulting from operations .......................................          (239,965)           14,858,708
                                                                                      ------------          ------------
DIVIDENDS:
    To common shareholders from net investment income ..........................        (8,039,333)           (8,039,335)
    To preferred shareholders from net investment income .......................        (2,182,935)           (2,396,026)
                                                                                                             -----------
                                                                                      ------------          ------------
    Total dividends ............................................................       (10,222,268)          (10,435,361)
                                                                                      ------------
       Total increase (decrease) ...............................................       (10,462,233)            4,423,347

NET INVESTMENT ASSETS
Beginning of year ..............................................................       256,133,957           251,710,610
                                                                                      ------------          ------------
End of year (including undistributed net investment income
    of $8,447,786 and $6,470,623, respectively) ................................      $245,671,724          $256,133,957
                                                                                      ============          ============
</TABLE>

                       See Notes to Financial Statements.

                                        8

<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCKCALIFORNIA INSURED MUNICIPAL 2008 TERMTRUST INC.
FINANCIAL HIGHLIGHTS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                                       YEAR ENDED DECEMBER 31,
                                                                     -----------------------------------------------------------
                                                                       1999        1998         1997         1996          1995
                                                                     -------      -------      -------      -------      -------
PER COMMON SHARE OPERATING PERFORMANCE:
<S>                                                                  <C>          <C>        <C>          <C>          <C>
Net asset value, beginning of the year ..........................    $ 17.12      $ 16.69    $   15.86    $   15.92    $   13.66
                                                                     -------      -------      -------      -------      -------
Net investment income ...........................................       1.17         1.18         1.15         1.11         1.12
Net realized and unrealized gain (loss) on investments ..........      (1.20)         .25          .69         (.16)        2.27
                                                                     -------      -------      -------      -------      -------
Net increase (decrease) from investment operations ..............       (.03)        1.43         1.84         0.95         3.39
                                                                     -------      -------      -------      -------      -------
Dividends and distributions:
  Dividends from net investment income to:
    Common shareholders .........................................       (.77)        (.77)        (.77)        (.77)        (.85)
    Preferred shareholders ......................................       (.21)        (.23)        (.24)        (.24)        (.28)
  Distributions from net realized gain on investments to:
    Common shareholders .........................................        --            --           --           **           --
    Preferred shareholders ......................................        --            --           --           **           --
  Distributions in excess of net realized gain on investments to:
    Common shareholders .........................................        --            --           --           **           **
    Preferred shareholders ......................................        --            --           --           **           **
                                                                     -------      -------      -------      -------      -------
Total dividends and distributions ...............................       (.98)       (1.00)       (1.01)       (1.01)       (1.13)
                                                                     -------      -------      -------      -------      -------
Net asset value, end of year* ...................................    $ 16.11      $ 17.12     $  16.69      $ 15.86    $   15.92
                                                                     =======      =======      =======      =======      =======
Market value, end of year* ......................................    $ 13.88      $ 15.94      $ 15.25      $ 14.63    $   13.63
                                                                     =======      =======      =======      =======      =======
TOTAL INVESTMENT RETURN .........................................      (8.40)%       9.77%        9.90%       13.67%       20.57%
                                                                     =======      =======      =======      =======      =======
RATIOS TO AVERAGE NET ASSETS OF COMMON
SHAREHOLDERS:
Expenses ........................................................        .98%         .91%         .98%        1.03%        1.02%
Net investment income before preferred stock dividends++.........       7.01%        6.96%        7.11%        7.11%        7.46%
Preferred stock dividends .......................................       1.25%        1.36%        1.48%        1.56%        1.85%
Net investment income available to common shareholders ..........       5.76%        5.60%        5.63%        5.55%        5.61%

SUPPLEMENTAL DATA:
Average net assets of common shareholders (in thousands) ........   $174,070     $175,760     $167,984     $161,839     $156,774
Portfolio turnover ..............................................          0%           0%           0%           3%          13%
Net assets of common shareholders, end of year (in thousands) ...   $167,672     $178,134     $173,711     $165,038     $165,719
Preferred stock outstanding (in thousands) ......................   $ 78,000     $ 78,000     $ 78,000     $ 78,000     $ 78,000
Asset coverage per share of preferred stock, end of year ........   $ 78,765     $ 82,111     $ 80,701     $ 77,919     $ 78,133
</TABLE>

- -------------------

*  Net asset value and market  value are  published  in BARRON'S on Saturday and
   THE WALL STREET JOURNAL on Monday.

** Actual amount paid from realized gains to preferred shareholders was $0.00136
   per  common  share  for the year  ended  December  31,  1996,  and to  common
   shareholders  was $0.004363  per share for the year ended  December 31, 1996.
   Actual amount paid in excess of net realized gain on investments to preferred
   shareholders  was $0.0004  and  $0.0007 per common  share for the years ended
   December  31, 1996 and 1995,  respectively,  and to common  shareholders  was
   $0.0013 and $0.0021 per share for the years ended December 31, 1996 and 1995,
   respectively.

+  Total investment return is calculated  assuming a purchase of common stock at
   the current  market  price on the first day and a sale at the current  market
   price on the last day of the year reported. Dividends and distributions,  are
   assumed for purposes of this calculation, to be reinvested at prices obtained
   under the Trust's dividend  reinvestment  plan. Total investment  return does
   not reflect brokerage commissions.

++ Ratios are calculated on the basis of income and expenses  applicable to both
   the common and preferred stock,  relative to the average net assets of common
   stockholders.

The information  above represents the audited  operating  performance data for a
share of common stock outstanding,  total investment  return,  ratios to average
net assets and other supplemental data for the years indicated. This information
has been determined based upon financial  information  provided in the financial
statements and market value data for Trust's shares.

                       See Notes to Financial Statements.

                                        9

<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK CALIFORNIA INSURED
MUNICIPAL 2008 TERM TRUST INC.
NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

NOTE 1. ORGANIZATION & ACCOUNTING POLICIES
The BlackRock  California  Insured  Municipal 2008 Term Trust Inc. (the "Trust")
was  organized  in  Maryland on August 7, 1992 as a  non-diversified  closed-end
management  investment company.  The Trust's investment objective is to manage a
portfolio of high quality securities that will return $15 per share to investors
on or about December 31, 2008 while providing current income exempt from regular
federal  and  California  State  income  taxes.  The  ability of issuers of debt
securities  held by the  Trust to meet  their  obligations  may be  affected  by
economic  developments in the state, a specific industry or region. No assurance
can be given that the Trust's investment objective will be achieved.

     The following is a summary of significant  accounting  policies followed by
the Trust.

SECURITIES VALUATION:  Municipal securities  (including  commitments to purchase
such  securities  on a  "when-issued"  basis)  are valued on the basis of prices
provided  by  dealers or  pricing  services  approved  by the  Trust's  Board of
Directors. In determining the value of a particular security, pricing services
may use certain  information  with respect to transactions  in such  securities,
quotations from bond dealers,  market transactions in comparable  securities and
various  relationships  between securities in determining values. Any securities
or other  assets  for which  such  current  market  quotations  are not  readily
available are valued at fair value as determined in good faith under  procedures
established  by and under the  general  supervision  and  responsibility  of the
Trust's Board of Directors.

     Short-term  securities  having a remaining  maturity of 60 days or less are
valued at amortized cost which approximates market value.

SECURITIES  TRANSACTIONS  AND INVESTMENT  INCOME:  Securities  transactions  are
recorded  on the trade  date.  Realized  and  unrealized  gains and  losses  are
calculated  on the  identified  cost basis.  Interest  income is recorded on the
accrual  basis and the Trust  amortizes  premium  and  accretes  original  issue
discount on securities purchased using the interest method.

FEDERAL  INCOME  TAXES:  It is the  Trust's  intention  to  continue to meet the
requirements  of the Internal  Revenue Code  applicable to regulated  investment
companies and to dis tribute  sufficient  net income to  shareholders.  For this
reason and because  substantially  all of the Trust's  gross income  consists of
tax-exempt interest, no Federal income tax provision is required.

DIVIDENDS  AND  DISTRIBUTIONS:   The  Trust  declares  and  pays  dividends  and
distributions to common  shareholders  monthly from net investment  income,  net
realized short-term capital gains and other sources, if necessary. Net long-term
capital  gains,  if any,  in excess  of loss  carryforwards  may be  distributed
annually.  Dividends and  distributions  are recorded on the  ex-dividend  date.
Dividends and distributions to preferred shareholders are accrued and determined
as described in Note 4.

ESTIMATES:  The preparation of financial statements in conformity with generally
accepted  accounting  principles  requires  management  to  make  estimates  and
assumptions  that  affect the  reported  amounts of assets and  liabilities  and
disclosure of  contingent  assets and  liabilities  at the date of the financial
statements  and the  reported  amounts  of  revenues  and  expenses  during  the
reporting period. Actual results could differ from those estimates.

NOTE 2. AGREEMENTS
The  Trust  has  an  Investment  Advisory  Agreement  with  BlackRock  Financial
Management,    Inc.   (the    "Advisor"),    a   wholly-owned    subsidiary   of
BlackRockAdvisors,  Inc., which is a wholly-owned subsidiary of BlackRock, Inc.,
which in turn is an indirect  majority-owned  subsidiary  of PNCBank  Corp.  The
Trust has an Administration Agreement with Princeton  Administrators,  L.P. (the
"Administrator"),  an indirect  wholly-owned  affiliate of Merrill  Lynch & Co.,
Inc.

     The  investment  advisory  fee paid to the Advisor is  computed  weekly and
payable  monthly at an annual  rate of 0.35% of the Trust's  average  weekly net
investment  assets.  The  administration  fee paid to the  Administrator is also
computed  weekly and  payable  monthly at an annual rate of 0.10% of the Trust's
average weekly net investment assets.

     Pursuant to the agreements,  the Advisor provides continuous supervision of
the investment  portfolio and pays the compensation of officers of the Trust who
are  affiliated  persons of the Advisor.  The  Administrator  pays occupancy and
certain  clerical and accounting  costs of the Trust.  The Trust bears all other
costs and expenses.

NOTE 3. PORTFOLIO SECURITIES
Purchases of investment  securities,  other than short- term investments for the
year ended December 31, 1999 aggregated  $4,163,520.  There were no sales, other
than short-term investments, during the year ended December 31, 1999.

                                       10

<PAGE>

     The Federal  income tax basis of the Trust's  investments  at December  31,
1999 was the same as the basis for financial  reporting,  and  accordingly,  net
unrealized      appreciation     was     $14,500,038      (gross      unrealized
appreciation--$14,627,190, gross unrealized depreciation--$127,152).

NOTE 4. CAPITAL
There are 200 million shares of $.01 par value common stock  authorized.  Of the
10,407,093  common shares  outstanding  at December 31, 1999,  the Advisor owned
7,093  shares.  As of  December  31,  1999,  there were 3,120  preferred  shares
outstanding as follows: Series W28--1,560 and Series W7--1,560.

     The Trust may classify or  reclassify  any unissued  shares of common stock
into one or more series of preferred  stock.  On November  23,  1992,  the Trust
reclassified  1,560 shares of common stock and issued 2 series of Auction Market
Preferred Stock ("Preferred Stock") as follows:  Series W28--780 shares,  Series
W7--780 shares. The Preferred Stock has a liquidation value of $25,000 per share
plus any accumulated but unpaid dividends. On May 16, 1995 shareholders approved
a proposal to split each share of the Trust's  Auction  Market  Preferred  Stock
into two shares and simultaneously  reduce each share's  liquidation  preference
from $50,000 to $25,000 plus any  accumulated  but unpaid  dividends.  The stock
split occurred on July 24, 1995.

     Dividends on Series W7 are cumulative at a rate which is reset every 7 days
based on the results of an auction.  Dividends on Series W28 are also cumulative
at a rate  which is reset  every 28 days  based on the  results  of an  auction.
Dividend  rates  ranged from 2.00% to 4.85%  during the year ended  December 31,
1999.

     The Trust may not declare  dividends or make other  distributions on shares
of common stock or purchase any such shares if, at the time of the  declaration,
distribution  or  purchase,  asset  coverage  with  respect  to the  outstanding
Preferred Stock would be less than 200%.

     The Preferred  Stock is redeemable at the option of the Trust,  in whole or
in part, on any dividend  payment date at $25,000 per share plus any accumulated
or unpaid dividends whether or not declared. The Preferred Stock is also subject
to  mandatory  redemption  at $25,000 per share plus any  accumulated  or unpaid
dividends,  whether or not  declared  if certain  requirements  relating  to the
composition  of the  assets  and  liabilities  of the  Trust as set forth in the
Articles of Incorporation are not satisfied.

     The holders of Preferred  Stock have voting  rights equal to the holders of
common stock (one vote per share) and will vote  together with holders of shares
of common stock as a single class. However,  holders of Preferred Stock are also
entitled to elect two of the Trust's  directors.  In  addition,  the  Investment
Company Act of 1940 requires that along with approval by stockholders that might
otherwise  be  required,  the  approval  of the  holders  of a  majority  of any
outstanding  preferred stock,  voting separately as a class would be required to
(a) adopt any plan of  reorganization  that would adversely affect the Preferred
Stock, and (b) take any action requiring a vote of security holders,  including,
among other  things,  changes in the Trust's  subclassification  as a closed-end
investment company or changes in its fundamental investment restrictions.


NOTE 5. DIVIDENDS
Subsequent to December 31, 1999,  the Board of Directors of the Trust declared a
dividend  from  undistributed  earnings of $0.064375  per common  share  payable
February 1, 2000 to  shareholders  of record on January 14, 2000.

     For the period January 1, 2000 to January 31, 2000,  dividends  declared on
Preferred Stock totalled $194,220 in aggregate for the two outstanding Preferred
Stock series.

NOTE 6. SUBSEQUENT EVENT
Subsequent  to year end, the Trust will be issuing  1,062 shares of Auction Rate
Municipal  Preferred  Stock,  series  W7,  at an  aggregate  offering  price  of
$26,550,000.   The  liquidation   preference  of  each  share  is  $25,000  plus
accumulated but unpaid dividends. The estimated net proceeds of the offering are
$25,984,500  after payment of offering  expenses and the underwriting  discount.
Except for the  initial  dividend  rate and the length of the  initial  dividend
period for the new  preferred  shares,  the rights  and  preferences  of the new
preferred  shares are the same as the Trust's  outstanding  series W7  preferred
shares.

                                       11

<PAGE>

- --------------------------------------------------------------------------------
         THE BLACKROCK CALIFORNIA INSURED MUNICIPAL 2008 TERM TRUST INC.
                         REPORT OF INDEPENDENT AUDITORS
- --------------------------------------------------------------------------------

The Shareholders and Board of Directors of
The BlackRock California Insured Municipal 2008 Term Trust Inc.:

We have audited the accompanying statement of assets and liabilities,  including
the portfolio of investments, of The BlackRock California Insured Municipal 2008
Term  Trust  Inc.,  as of  December  31,  1999,  and the  related  statement  of
operations for the year then ended,  and the statements of changes in net assets
for each of the two years in the period then ended and the financial  highlights
for each of the five years in the period then ended. These financial  statements
and financial  highlights are the responsibility of the Trust's management.  Our
responsibility  is to  express  an opinion  on these  financial  statements  and
financial highlights based on our audits.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable  assurance  about  whether the  financial  statements  and  financial
highlights are free of material misstatement.  An audit includes examining, on a
test basis,  evidence  supporting  the amounts and  disclosures in the financial
statements. Our procedures included confirmation of securities owned at December
31, 1999 by correspondence with the custodian.  An audit also includes assessing
the accounting principles used and significant estimates made by management,  as
well as evaluating the overall financial statement presentation. We believe that
our audits provide a reasonable basis for our opinion.

In our opinion,  the financial  statements and financial  highlights referred to
above present fairly, in all material  respects,  the financial  position of The
BlackRock  California  Insured Municipal 2008 Term Trust Inc. as of December 31,
1999, and the results of its  operations,  the changes in its net assets and the
financial  highlights  for the  respective  stated  periods in  conformity  with
generally accepted accounting principles.


/S/ DELOITTE & TOUCHE LLP
- -------------------------
    Deloitte & Touche LLP
    New York, New York
    February 11, 2000


                                       12

<PAGE>

- --------------------------------------------------------------------------------
         THE BLACKROCK CALIFORNIA INSURED MUNICIPAL 2008 TERM TRUST INC.
                                 TAX INFORMATION
- --------------------------------------------------------------------------------
     We are required by the  Internal  Revenue Code to advise you within 60 days
of the  Trust's  tax year end to the  federally  tax-exempt  interest  dividends
received by you during such fiscal year.  Accordingly,  we are advising you that
all dividends paid by the Trust during the fiscal year were federally tax-exempt
interest dividends.

- --------------------------------------------------------------------------------
                           DIVIDEND REINVESTMENT PLAN
- --------------------------------------------------------------------------------
     Pursuant  to  the  Trust's   Dividend   Reinvestment   Plan  (the  "Plan"),
shareholders may elect to have all  distributions of dividends and capital gains
reinvested  by State Street Bank and Trust  Company (the "Plan  Agent") in Trust
shares  pursuant to the Plan.  Shareholders  who do not  participate in the Plan
will receive all  distributions  in cash paid by check in United States  dollars
mailed  directly  to the  shareholders  of record  (or if the shares are held in
street or other nominee  name,  then to the nominee) by the transfer  agent,  as
dividend disbursing agent.

     The Plan Agent serves as agent for the  shareholders in  administering  the
Plan.  After the Trust  declares a dividend or determines to make a capital gain
distribution,  the Plan Agent will, as agent for the  participants,  receive the
cash  payment and use it to buy Trust  shares in the open market on the New York
Stock Exchange or elsewhere for the participants'  accounts.  The Trust will not
issue any new shares under the Plan.

     Participants  in the Plan may withdraw from the Plan upon written notice to
the Plan Agent and will receive  certificates  for whole Trust shares and a cash
payment for any fraction of a Trust share.

     The Plan Agent's fees for the handling of the reinvestment of dividends and
distributions  will be paid by the Trust.  However,  each participant will pay a
pro rata  share of  brokerage  commissions  incurred  with  respect  to the Plan
Agent's open market  purchases in connection with the  reinvestment of dividends
and  distributions.  The automatic  reinvestment of dividends and  distributions
will not relieve  participants  of any federal income tax that may be payable on
such dividends or distributions.

     The Trust  reserves the right to amend or terminate  the Plan as applied to
any dividend or  distribution  paid  subsequent to written  notice of the change
sent to all  shareholders  of the Trust at least 90 days  before the record date
for the dividend or distribution.  The Plan also may be amended or terminated by
the Plan Agent upon at least 90 days' written notice to all  shareholders of the
Trust.  All  correspondence  concerning  the Plan should be directed to the Plan
Agent at (800) 699-1BFM. The address is on the front of this report.

- --------------------------------------------------------------------------------
                             ADDITIONAL INFORMATION
- --------------------------------------------------------------------------------

     There have been no material changes in the Trust's investment objectives or
policies  that have not been approved by the  shareholders  or to its charter or
by-laws or in the  principal  risk factors  associated  with  investment  in the
Trust.  There have been no changes in the persons who are primarily  responsible
for the day-to-day management of the Trust's portfolio.

     We have  transitioned  into the Year 2000,  and it is  business as usual at
BlackRock.

                                       13

<PAGE>


- --------------------------------------------------------------------------------
         THE BLACKROCK CALIFORNIA INSURED MUNICIPAL 2008 TERM TRUST INC.
                               INVESTMENT SUMMARY
- --------------------------------------------------------------------------------

THE TRUST'S INVESTMENT OBJECTIVE
The  BlackRock   California  Insured  Municipal  2008  Term  Trust's  investment
objective  is  to  provide  current  income  exempt  from  regular  federal  and
California  income tax and to return $15 per share (the initial public  offering
price per share) to investors on or about December 31, 2008.

WHO MANAGES THE TRUST?
BlackRock  Advisors,  Inc.  (the  "Advisor")  is  an  SEC-registered  investment
advisor.  As of  December  31,  1999,  BlackRock  and its  affiliates  (together
"BlackRock")  managed  over $165  billion  on behalf of taxable  and  tax-exempt
clients  worldwide.  Strategies  include fixed  income,  equity and cash and may
incorporate both domestic and  international  securities.  Domestic fixed income
strategies  utilize the  government,  mortgage,  corporate  and  municipal  bond
sectors. BlackRock manages twenty-two closed-end funds that are traded on either
the New York or American stock  exchanges,  and a $27 billion family of open-end
funds.  BlackRock manages over 580 accounts,  domiciled in the United States and
overseas.

WHAT CAN THE TRUST INVEST IN?
The Trust  intends  to invest  at least  80% of its total  assets in  California
municipal  obligations  insured as to the timely  payment of both  principal and
interest. The Trust may invest up to 20% of total assets in uninsured California
municipal  obligations  which  are rated Aaa by  Moody's  or AAA by S&P,  or are
determined  by the  Advisor  to be of  comparable  credit  quality  (guaranteed,
escrowed or backed in trust).

WHAT IS THE ADVISOR'S INVESTMENT STRATEGY?
The Advisor will seek to meet the Trust's  investment  objective by managing the
assets of the Trust so as to return the initial  offering  price ($15 per share)
at maturity.  The Advisor will implement a conservative  strategy that will seek
to closely  match the  maturity of the assets of the  portfolio  with the future
return of the initial investment at the end of 2008. At the Trust's termination,
BlackRock expects that the value of the securities which have matured,  combined
with the value of the  securities  that are sold,  if any, will be sufficient to
return the initial offering price to investors. On a continuous basis, the Trust
will seek its  objective  by  actively  managing  its  portfolio  of  California
municipal  obligations  and  retaining a small  amount of income  each year.  In
addition to seeking the return of the initial  offering price,  the Advisor also
seeks to provide  current  income  exempt from  regular  federal and  California
income tax to  investors.  The  portfolio  managers will attempt to achieve this
objective  by investing  in  securities  that  provide  competitive  income.

In addition,  leverage will be used to enhance the income of the  portfolio.  In
order to  maintain  competitive  yields as the  Trust  approaches  maturity  and
depending on market conditions,  the Advisor will attempt to purchase securities
with call  protection  or  maturities  as close to the Trust's  maturity date as
possible. Securities with call protection should provide the portfolio with some
degree of protection against  reinvestment risk during times of lower prevailing
interest rates. Since the Trust's primary goal is to return the initial offering
price at maturity,  any cash that the Trust  receives prior to its maturity date
will be  reinvested  in  securities  with  maturities  which  coincide  with the
remaining term of the Trust. Since shorter-term  securities typically yield less
than  longer-term  securities,  this strategy will likely result in a decline in
the Trust's  income over time.  It is  important  to note that the Trust will be
managed so as to preserve the  integrity  of the return of the initial  offering
price.  If market  conditions,  such as high interest rate  volatility,  force a
choice  between  current  income and risking the return of the initial  offering
price,  it is likely  that the  return of the  initial  offering  price  will be
emphasized.

HOW ARE THE TRUST'S  SHARES  PURCHASED  AND SOLD?  DOES THE TRUST PAY  DIVIDENDS
REGULARLY?
The  Trust's  shares are traded on the New York Stock  Exchange  which  provides
investors with  liquidity on a daily basis.  Orders to buy or sell shares of the
Trust must be placed through a registered broker or financial advisor. The Trust
pays monthly dividends which are typically paid on the first business day of the
month. For shares held in the shareholder's name, dividends may be reinvested in
additional shares of the Trust through the Trust's transfer agent,  State Street
Bank and Trust Company. Investors who wish to hold shares in a brokerage account
should check with their financial  advisor to determine  whether their brokerage
firm offers dividend reinvestment services.


                                       14

<PAGE>

LEVERAGE CONSIDERATIONS IN A TERM TRUST
Under current  market  conditions,  leverage  increases the income earned by the
Trust.  The Trust employs leverage  primarily  through the issuance of preferred
stock.  Leverage  permits  the Trust to  borrow  money at  short-term  rates and
reinvest that money in longer-term  assets which typically offer higher interest
rates.  The  difference  between the cost of the  borrowed  funds and the income
earned on the proceeds that are invested in longer term assets is the benefit to
the Trust from leverage.

Leverage also increases the duration (or price  volatility of the net assets) of
the Trust,  which can improve the  performance  of the Trust in a declining rate
environment,  but can cause net  assets to decline  faster  than the market in a
rapidly rising rate environment.  The Advisor's portfolio managers  continuously
monitor and  regularly  review the  Trust's  use of  leverage  and the Trust may
reduce,  or unwind,  the amount of leverage employed should the Advisor consider
that reduction to be in the best interests of the shareholders.

SPECIAL CONSIDERATIONS AND RISK FACTORS RELEVANT TO TERM TRUSTS
THE TRUST IS  INTENDED  TO BE A  LONG-TERM  INVESTMENT  AND IS NOT A  SHORT-TERM
TRADING VEHICLE.

RETURN OF INITIAL  INVESTMENT.  Although the objective of the Trust is to return
its initial offering price upon termination, there can be no assurance that this
objective will be achieved.

DIVIDEND  CONSIDERATIONS.  The income and dividends paid by the Trust are likely
to  decline  to some  extent  over the term of the Trust due to the  anticipated
shortening of the dollar-weighted average maturity of the Trust's assets.

LEVERAGE.  The Trust utilizes  leverage  through the issuance of preferred stock
which involves  special risks.  The Trust's net asset value and market value may
be more volatile due to its use of leverage.

MARKET PRICE OF SHARES.  The shares of closed-end  investment  companies such as
the Trust trade on the New York Stock  Exchange  (NYSE symbol:  BFC) and as such
are subject to supply and demand influences.  As a result, shares may trade at a
discount or a premium to their net asset value.

ILLIQUID  SECURITIES.  The Trust may  invest in  securities  that are  illiquid,
although  under current  market  conditions the Trust expects to do so to only a
limited extent. Investing in these securities involves special risks.

ANTITAKEOVER  PROVISIONS.  Certain antitakeover provisions will make a change in
the Trust's  business or management  more difficult  without the approval of the
Trust's Board of Directors and may have the effect of depriving  shareholders of
an  opportunity  to sell their shares at a premium above the  prevailing  market
price.

MUNICIPAL OBLIGATIONS.  Municipal obligations include debt obligations issued by
states,  cities, and local authorities,  and possessions and certain territories
of the United States to obtain funds for various public purposes,  including the
construction of public  facilities,  the refinancing of outstanding  obligations
and the obtaining of funds for general operating expenses and for loans to other
public  institutions  and  facilities.  The value of municipal  debt  securities
generally  varies  inversely with changes in prevailing  market  interest rates.
Depending  on the amount of call  protection  that the  securities  in the Trust
have, the Trust may be subject to certain  reinvestment risks in environments of
declining interest rates.

ALTERNATIVE  MINIMUM TAX (AMT).  The Trust may invest in  securities  subject to
AMT. The Trust currently holds no securities that are subject to AMT.


                                       15

<PAGE>

- --------------------------------------------------------------------------------
         THE BLACKROCK CALIFORNIA INSURED MUNICIPAL 2008 TERM TRUST INC.
                                    GLOSSARY
- --------------------------------------------------------------------------------
CLOSED-END FUND:         Investment  vehicle  which  initially  offers  a  fixed
                         number of shares  and trades on a stock  exchange.  The
                         fund invests in a portfolio of securities in accordance
                         with its stated investment objectives and policies.

DISCOUNT:                When a fund's net asset value is greater than its stock
                         price, the fund is said to be trading at a discount.

DIVIDEND:                Income  generated  by  securities  in a  portfolio  and
                         distributed   to   shareholders   after   deduction  of
                         expenses.  This Trust  declares and pays dividends on a
                         monthly basis.

DIVIDEND REINVESTMENT:   Shareholders  may have all  distributions  of dividends
                         and  capital  gains   automatically   reinvested   into
                         additional shares of the Trust.

MARKET PRICE:            Price per share of a security  trading in the secondary
                         market.  For a  closed-end  fund,  this is the price at
                         which  one  share  of the  fund  trades  on  the  stock
                         exchange.  If you were to buy or sell shares, you would
                         pay or receive the market price.

NET ASSET VALUE (NAV):   Net  asset  value  is the  total market  value  of  all
                         securities  and other  assets  held by the Trust,  plus
                         income accrued on its investment, minus any liabilities
                         including accrued expenses, divided by the total number
                         of outstanding  shares. It is the underlying value of a
                         single  share on a given day.  Net asset  value for the
                         Trust is calculated weekly and published in Barron's on
                         Saturday and THE WALL STREET JOURNAL on Monday.

PREMIUM:                 When a fund's stock price is greater than its net asset
                         value, the fund is said to be trading at a premium.

PRE-REFUNDED BONDS:      These  securities  are   collateralized   by  the  U.S.
                         Government  securities which are held in escrow and are
                         used to pay  principal  and interest on the  tax-exempt
                         issue  and to  retire  the  bond in  full  at the  date
                         indicated, typically at a premium to par.


                                       16

<PAGE>

- --------------------------------------------------------------------------------
                            BLACKROCK ADVISORS, INC.
                           SUMMARY OF CLOSED-END FUNDS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
TAXABLE TRUSTS
- ---------------------------------------------------------------------------------------------------------
                                                                           STOCK              MATURITY
PERPETUAL TRUSTS                                                          SYMBOL                DATE
                                                                          ------               ------
<S>                                                                       <C>                  <C>
The BlackRock Income Trust Inc.                                             BKT                    N/A
The BlackRock North American Government Income Trust Inc.                   BNA                    N/A
The BlackRock High Yield Trust                                              BHY                    N/A

TERM TRUSTS
The BlackRock Target Term Trust Inc.                                        BTT                   12/00
The BlackRock 2001 Term Trust Inc.                                          BTM                   06/01
The BlackRock Strategic Term Trust Inc.                                     BGT                   12/02
The BlackRock Investment Quality Term Trust Inc.                            BQT                   12/04
The BlackRock Advantage Term Trust Inc.                                     BAT                   12/05
The BlackRock Broad Investment Grade 2009 Term Trust Inc.                   BCT                   12/09

TAX-EXEMPT TRUSTS
- ---------------------------------------------------------------------------------------------------------
                                                                              STOCK             MATURITY
PERPETUAL TRUSTS                                                             SYMBOL               DATE
                                                                             ------              ------
The BlackRock Investment Quality Municipal Trust Inc.                       BKN                    N/A
The BlackRock California Investment Quality Municipal Trust Inc.            RAA                    N/A
The BlackRock Florida Investment Quality Municipal Trust                    RFA                    N/A
The BlackRock New Jersey Investment Quality Municipal Trust Inc.            RNJ                    N/A
The BlackRock New York Investment Quality Municipal Trust Inc.              RNY                    N/A
The BlackRock Pennsylvania Strategic Municipal Trust                        BPS                    N/A
The BlackRock Strategic Municipal Trust                                     BSD                    N/A

TERM TRUSTS
The BlackRock Municipal Target Term Trust Inc.                              BMN                   12/06
The BlackRock Insured Municipal 2008 Term Trust Inc.                        BRM                   12/08
The BlackRock California Insured Municipal 2008 Term Trust Inc.             BFC                   12/08
The BlackRock Florida Insured Municipal 2008 Term Trust                     BRF                   12/08
The BlackRock New York Insured Municipal 2008 Term Trust Inc.               BLN                   12/08
The BlackRock Insured Municipal Term Trust Inc.                             BMT                   12/10
</TABLE>


                                       17

<PAGE>

- --------------------------------------------------------------------------------
                            BLACKROCK ADVISORS, INC.
                                   AN OVERVIEW
- --------------------------------------------------------------------------------

     BlackRock  Advisors,  Inc. (the "Advisor") is an SEC-registered  investment
advisor.  As of December 31,  1999,  the Advisor and its  affiliates  (together,
"BlackRock")  managed $165 billion on behalf of taxable and  tax-exempt  clients
worldwide.  Strategies include fixed income, equity and cash and may incorporate
both  domestic  and  international  securities.   BlackRock  manages  twenty-two
closed-end  funds  that are  traded on  either  the New York or  American  stock
exchanges,  and a $27 billion family of open-end funds.  BlackRock  manages over
580 accounts, domiciled in the United States and overseas.

     BlackRock's fixed income product was introduced in 1988 by a team of highly
seasoned  fixed  income   professionals.   These   professionals  had  extensive
experience   creating,   analyzing   and  trading  a  variety  of  fixed  income
instruments,  including the most complex structured securities. In fact, several
individuals  at BlackRock  were  responsible  for  developing  many of the major
innovations  in  the  mortgage-backed   and  asset-backed   securities  markets,
including   the  creation  of  the  first  CMO,  the  floating   rate  CMO,  the
senior/subordinated pass-through and the multi-class asset-backed security.

     BlackRock  is unique  among  asset  management  and  advisory  firms in the
emphasis it places on the  development of proprietary  analytical  capabilities.
Over one  quarter  of the  firm's  professionals  is  dedicated  to the  design,
maintenance  and use of these  systems,  which are not  otherwise  available  to
investors. BlackRock's proprietary analytical tools are used for evaluating, and
designing fixed income investment  strategies for client portfolios.  Securities
purchased include mortgages,  corporate bonds,  municipal bonds and a variety of
hedging instruments.

     BlackRock  has  developed  investment  products  that respond to investors'
needs and has been  responsible  for several  major  innovations  in  closed-end
funds. In fact,  BlackRock  introduced the first  closed-end  mortgage fund, the
first taxable and tax-exempt  closed-end funds to offer a finite term, the first
closed-end  fund to  achieve a AAA rating by  Standard  & Poor's,  and the first
closed-end  fund to invest  primarily in North American  Government  securities.
Currently,  BlackRock's closed-end funds have dividend reinvestment plans, which
are designed to provide  ongoing  demand for the stock in the secondary  market.
BlackRock  manages a wide range of  investment  vehicles,  each having  specific
investment objectives and policies.

     In view of our  continued  desire to provide a high level of service to all
our shareholders, BlackRock maintains a toll-free number for your questions. The
number is (800) 227-7BFM (7236).  We encourage you to call us with any questions
that you may have about your BlackRock  funds and we thank you for the continued
trust that you place in our abilities.


                      IF YOU WOULD LIKE FURTHER INFORMATION
           PLEASE DO NOT HESITATE TO CALL BLACKROCK AT (800) 227-7BFM

                                       18

<PAGE>

BLACKROCK

DIRECTORS
Laurence D. Fink, CHAIRMAN
Andrew F. Brimmer
Richard E. Cavanagh
Kent Dixon
Frank J. Fabozzi
James Clayburn La Force, Jr.
Walter F. Mondale
Ralph L. Schlosstein

OFFICERS
Ralph L. Schlosstein, PRESIDENT
Keith T. Anderson, VICE PRESIDENT
Michael C. Huebsch, VICE PRESIDENT
Robert S. Kapito, VICE PRESIDENT
Kevin Klingert, VICE PRESIDENT
Richard M. Shea, VICE PRESIDENT/TAX
Henry Gabbay, TREASURER
James Kong, ASSISTANT TREASURER
Karen H. Sabath, SECRETARY

INVESTMENT ADVISOR
BlackRock Advisors, Inc.
400 Bellevue Parkway
Wilmington, DE 19809
(800) 227-7BFM

ADMINISTRATOR
Princeton Administrators, L.P.
P.O.Box 9095
Princeton, NJ 08543-9095
(800) 543-6217

CUSTODIAN AND TRANSFER AGENT
State Street Bank and Trust Company
One Heritage Drive
North Quincy, MA 02171
(800) 669-1BFM

AUCTION  AGENT
Deutsche Bank
4 Albany Street
New York, NY 10006

INDEPENDENT AUDITORS
Deloitte & Touche LLP
Two World Financial Center
New York, NY 10281-1434

LEGAL COUNSEL
Skadden, Arps, Slate, Meagher & Flom LLP
Four Times Square
New York, NY 10036

    This  report  is for  shareholder  information.  This  is  not a  prospectus
intended for use in the purchase or sale of any securities.

                        THE BLACKROCK CALIFORNIA INSURED
                         MUNICIPAL 2008 TERM TRUST INC.
                       c/o Princeton Administrators, L.P.
                                  P.O.Box 9095
                            Princeton, NJ 08543-9095
                                 (800) 543-6217





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Printed on recycled paper



THE BLACKROCK
CALIFORNIA INSURED MUNICIPAL 2008
TERM TRUST INC.
- --------------------------------------------------------------------------------
ANNUAL REPORT
DECEMBER 31, 1999



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