BLACKROCK CALIFORNIA INVESTMENT QUALITY MUNICIPAL TRUST INC
N-30D, 1999-12-29
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- --------------------------------------------------------------------------------
        THE BLACKROCK CALIFORNIA INVESTMENT QUALITY MUNICIPAL TRUST INC.
                         ANNUAL REPORT TO SHAREHOLDERS
                          REPORT OF INVESTMENT ADVISER
- --------------------------------------------------------------------------------
                                                               November 30, 1999


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  portfolio'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>

                                                              November 30, 1999


Dear Shareholder:


     We  are  pleased  to present the annual report for The BlackRock California
Investment  Quality Municipal Trust Inc. ("the Trust") for the fiscal year ended
October  31,  1999. We would like to take this opportunity to review the Trust's
stock   price   and   net   asset  value  (NAV)  performance,  summarize  market
developments and discuss recent portfolio management activity.

     The  Trust  is  a  non-diversified,  actively  managed closed-end bond fund
whose  shares  are traded on the American Stock Exchange under the symbol "RAA".
The  Trust's  investment  objective  is  to  provide high current income that is
exempt  from  regular  federal  and  California income taxes consistent with the
preservation  of capital. The Trust seeks to achieve this objective by investing
in  investment  grade  (rated  "AAA"  to  "BBB"  by  a major rating agency or of
equivalent  quality)  municipal  debt  securities issued by local municipalities
throughout California.

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





<TABLE>
<CAPTION>
                       ------------------------------------------------------------
                         10/31/99    10/31/98     CHANGE         HIGH        LOW
                       ------------------------------------------------------------
<S>                      <C>        <C>          <C>           <C>         <C>
- --------------------------------------------------------------------------------
 STOCK PRICE             $ 15.50    $ 16.125     (3.88)%       $ 16.75     $ 14.625
 ----------------------------------------------------------------------------------
 NET ASSET VALUE (NAV)   $ 14.34    $ 15.49      (7.42)%       $ 15.52     $ 14.27
 ----------------------------------------------------------------------------------
</TABLE>



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
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.

     After  a brief rally in late 1998, Treasury yields rose dramatically during
1999.  Over the period, the yield of the 30-year Treasury increased by 100 basis
points,  closing  at  6.16%  on October 31. 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 period, posting a
- -1.78%  total  return  as measured by the LEHMAN MUNICIPAL BOND INDEX versus the
LEHMAN  AGGREGATE'S  0.53%.  For  much  of  the  period,  intermediate  maturity
securities  outperformed longer maturity municipal securities. As interest rates
rose  to  their  highest  level  in four years during the third quarter of 1999,
retail  demand for municipal securities has 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 has witnessed a surge of supply by
issuers  trying  to avoid potential year end market dislocations due to Y2K, the
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 California'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



                                       2

<PAGE>


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 the State to weather
potential future volatility in the economically sensitive revenue stream.

THE TRUST'S PORTFOLIO AND INVESTMENT STRATEGY

     In  seeking  to achieve its investment objectives, the Trust's portfolio is
actively  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, credits and coupons.

     Additionally,  the  Trust employs leverage via auction rate preferred stock
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. While the amount of preferred shares outstanding has
remained  constant,  the percentage of leverage utilized by the Trust fluctuates
modestly  as  the  net asset value moves. Over the period, the Trust's borrowing
costs continue to be profitable.

     During  the  period,  the Trust sought to take advantage of tight municipal
credit  spreads  to  improve its overall credit profile. Specifically, the Trust
emphasized  higher  rated  securities over lower rated securities. Additionally,
the  Trust maintained a defensive coupon structure, which was achieved by adding
premium  coupons,  which  positively contributed to the Trust's total returns as
interest rates rose during the period.

     The  following  charts  compare  the  Trust's  current and October 31, 1998
asset composition and credit quality allocations:


- -------------------------------------------------------------
                      SECTOR BREAKDOWN
- -------------------------------------------------------------
  SECTOR                  OCTOBER 31, 1999   OCTOBER 31, 1998
- -------------------------------------------------------------
  Transportation                20%                20%
- -------------------------------------------------------------
  Lease                         17%                15%
- -------------------------------------------------------------
  University                    15%                15%
- -------------------------------------------------------------
  District                      10%                10%
- -------------------------------------------------------------
  Power                         9%                 10%
- -------------------------------------------------------------
  Housing                       9%                  9%
- -------------------------------------------------------------
  Industrial                    5%                  6%
- -------------------------------------------------------------
  Water & Sewer                 5%                  6%
- -------------------------------------------------------------
  City, County & State          5%                  5%
- -------------------------------------------------------------
  Student Loans                 5%                  4%
- -------------------------------------------------------------



  CREDIT RATING*        OCTOBER 31, 1999   OCTOBER 31, 1998
- -------------------------------------------------------------
      AAA/Aaa                  46%                49%
- -------------------------------------------------------------
       AA/Aa                   24%                20%
- -------------------------------------------------------------
        A/A                    20%                21%
- -------------------------------------------------------------
      BBB/Baa                  10%                10%
- -------------------------------------------------------------

- ----------
* Using the higher of Standard & Poor's, Moody's or Fitch's rating.




                                       3

<PAGE>


     We  look  forward  to  continuing  to  manage the Trust to benefit from the
opportunities  available  to investors in the investment grade municipal market.
We  thank  you  for  your  investment  and  continued  interest in The BlackRock
California  Investment Quality Municipal Trust Inc. Please feel free to call our
marketing  center  at  (800)  227-7BFM (7236) if you have any specific questions
which were not addressed in this report.


Sincerely,



/s/ Robert Kapito                      /s/ Kevin Klingert
- -----------------------------------    ---------------------------------------
Robert Kapito                          Kevin Klingert
Vice Chairman and Portfolio Manager    Managing Director and Portfolio Manager
BlackRock Financial Management, Inc.   BlackRock Financial Management, Inc.

 -----------------------------------------------------------------------
       THE BLACKROCK CALIFORNIA INVESTMENT QUALITY MUNICIPAL TRUST INC.
 -----------------------------------------------------------------------
  Symbol on American Stock Exchange:                            RAA
 -----------------------------------------------------------------------
  Initial Offering Date:                                    May 28, 1993
 -----------------------------------------------------------------------
  Closing Stock Price as of 10/31/99                         $ 15.50
 -----------------------------------------------------------------------
  Net Asset Value as of 10/31/99:                            $ 14.34
 -----------------------------------------------------------------------
  Yield on Closing Stock Price as of 10/31/99 ($15.50)1:        5.66%
 -----------------------------------------------------------------------
  Current Monthly Distribution per Share2:                   $  0.073125
 -----------------------------------------------------------------------
  Current Annualized Distribution per Share2:                $  0.877500
 -----------------------------------------------------------------------


1 Yield  on Closing Stock Price is calculated by dividing the current annualized
  distribution per share by the closing stock price per share.
2 The distribution is not constant and is subject to change.

                                       4

<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK CALIFORNIA INVESTMENT QUALITY MUNICIPAL TRUST INC.
PORTFOLIO OF INVESTMENTS OCTOBER 31, 1999
- --------------------------------------------------------------------------------


<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------------------------------
              PRINCIPAL                                                                           OPTION CALL
   RATING*     AMOUNT                                                                             PROVISIONS+      VALUE
 (UNAUDITED)   (000)                            DESCRIPTION                                       (UNAUDITED)     (NOTE 1)
============= ========= =========================================================================== ================ ==============
<S>           <C>       <C>                                                                         <C>              <C>
                        LONG-TERM INVESTMENTS-145.1%
                        California Educational Fac. Auth. Rev.,
 AAA         $   760++    Santa Clara Univ., 5.00%, 9/01/06 ........................................       N/A         $    787,823
 AAA             240      Santa Clara Univ., 5.00%, 9/01/15, MBIA ..................................  No Opt. Call          221,609
 AAA           1,000      Student Loan Prog., Ser. A, 6.00%, 3/01/16, MBIA .........................   3/07 at 102        1,004,320
                        California St. G.O.,
 AA-             960++    5.75%, 3/01/05 ...........................................................       N/A            1,022,851
 AA-              40      5.75%, 3/01/19 ...........................................................   3/05 at 101           39,624
                        California St. Hsg. Fin. Agcy. Rev., Home Mtge.,
 AA-             815      Ser. B-1, 6.45%, 2/01/11 .................................................   8/04 at 102          833,419
 AA-           1,000      Ser. G, 7.20%, 8/01/14 ...................................................   8/04 at 102        1,043,970
                        California St. Pub. Wks. Brd. Lease Rev.,
 A+            1,000++    Dept. of Corrections., Ser. A, 6.875%, 11/01/04 ..........................       N/A            1,125,020
 A             1,000      St. Univ. Proj., Ser. A, 6.10%, 10/01/06 ..................................  10/04 at 102       1,072,190
 AAA           1,000++    St. Univ. Proj., Ser. A, 6.40%, 12/01/02, AMBAC ...........................       N/A           1,081,360
 BBB-          1,385    Foothill / Eastern. Trans. Agcy., Ser. A, Zero Coupon, 1/01/04 ............  No Opt. Call         1,135,188
                        Los Angeles Cnty.,
 AAA           1,000++    Met. Trans. Auth., Sales Tax Rev., 6.00%, 7/01/06, MBIA ..................       N/A            1,085,660
 AAA           1,000      Special Tax, Ser. A, 5.50%, 9/01/14, FSA .................................   9/07 at 102          994,660
 AA            1,150    Los Angeles Harbor Dept. Rev., Ser. B, 6.00%, 8/01/13 .....................    8/06 at 101        1,185,523
 AA            1,000++  Los Angeles Pub. Wks. Fin. Auth. Rev., Regl. Park & Open Space, Dist. A,
                          6.00%, 10/01/04 ...........................................................       N/A           1,082,850
 BBB-          1,000    Sacramento Pwr. Auth., Cogeneration Proj. Rev., 6.50%, 7/01/09 ............    7/06 at 102        1,062,580
 AAA             500    San Diego Ind. Dev. Rev., Ser. A, 5.90%, 6/01/18, AMBAC ...................    6/03 at 102          502,175
                        San Francisco City & Cnty.,
 AAA           1,000      Arpt. Comn. Rev., Intl. Arpt., Ser. 6, 6.125%, 5/01/09, AMBAC ............   5/04 at 102        1,054,810
 AAA           1,000      Sewer Rev., Ser. A, 5.95%, 10/01/25, FGIC ................................   10/03 at 102       1,001,650
 AAA           1,000    Southern California Pub. Pwr. Auth. Transmission Proj. Rev.,
                          5.50%, 7/01/20, MBIA ......................................................  7/02 at 100          958,170
                        Univ. of California Rev.,
 A+            1,135      Ser. B, 6.30%, 9/01/03 ...................................................       N/A            1,233,961
 AAA           1,000++    Ser. D, 6.10%, 9/01/02, MBIA .............................................       N/A            1,068,710
 AAA             370    West Basin Municipal Water Dist. Rev. C.O.P., Ser. A, 5.50%, 8/01/22, AMBAC    8/07 at 101          352,436
                                                                                                                       ------------
                        TOTAL LONG-TERM INVESTMENTS (COST $19,667,000) ............................                      20,950,559
                                                                                                                       ------------

                        SHORT-TERM INVESTMENTS**-5.5%
 A-1+            800    Irvine California Impvt., 3.50%, 11/01/99, FRDD (cost $800,000) ...........       N/A               800,000
                                                                                                                       ------------
</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>
                         TOTAL INVESTMENTS-150.6% (COST $20,467,000) ................                   $ 21,750,559
                         Other assets in excess of liabilities-1.3% .................                        188,298
                         Liquidation value of preferred stock-(51.9)% ...............                     (7,500,000)
                                                                                                        ------------
                         NET ASSETS APPLICABLE TO COMMON SHAREHOLDERS-100% ..........                   $ 14,438,857
                                                                                                        ============
</TABLE>


- --------
 * Rating: using the higher of Standard & Poor's, Moody's or Fitch'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  prices  of  the earliest
   optional  call  on  redemption. There may be other call provisions at varying
   prices at later dates.
++ This bond is prerefunded. See Glossary for definitions.


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


                       See Notes to Financial Statements.
                                       6

<PAGE>

- ----------------------------------------------------------------------
THE BLACKROCK CALIFORNIA INVESTMENT
QUALITY MUNICIPAL TRUST INC.
STATEMENT OF ASSETS AND LIABILITIES
OCTOBER 31, 1999
- ----------------------------------------------------------------------

ASSETS
Investments, at value (cost $20,467,000) (Note 1) .....    $21,750,559
Interest receivable ...................................        293,640
                                                           -----------
                                                            22,044,199
                                                           -----------
LIABILITIES
Due to custodian ......................................         63,755
Advisory fee payable (Note 2) .........................          6,560
Dividends payable-preferred stock .....................          2,424
Administration fee payable (Note 2) ...................          1,874
Other accrued expenses ................................         30,729
                                                           -----------
                                                               105,342
                                                           -----------
NET INVESTMENT ASSETS .................................    $21,938,857
                                                           ===========
Net investment assets were comprised of:
 Common stock:
  Par value (Note 4) ..................................    $    10,071
  Paid-in capital in excess of par ....................     13,897,103
 Preferred stock (Note 4) .............................      7,500,000
                                                           -----------
                                                            21,407,174
 Undistributed net investment income ..................         24,429
 Accumulated net realized loss ........................       (776,305)
 Net unrealized appreciation ..........................      1,283,559
                                                           -----------
Net investment assets, October 31, 1999 ...............    $21,938,857
                                                           ===========
Net assets applicable to common shareholders ..........    $14,438,857
                                                           ===========
Net asset value per share:
  ($14,438,857 \d 1,007,093 shares of common
  stock issued and outstanding) .......................    $     14.34
                                                           ===========


- ----------------------------------------------------------------------
THE BLACKROCK CALIFORNIA INVESTMENT
QUALITY MUNICIPAL TRUST INC.
STATEMENT OF OPERATIONS
YEAR ENDED OCTOBER 31, 1999
- ----------------------------------------------------------------------

NET INVESTMENT INCOME
Income
   Interest and discount earned .........                   $1,257,735
                                                            ----------

Expenses
   Investment advisory ..................                       80,508
   Reports to shareholders ..............                       31,000
   Administration .......................                       23,000
   Auction agent ........................                       19,000
   Directors ............................                       14,000
   Transfer agent .......................                        9,500
   Audit ................................                        7,000
   Legal ................................                        5,000
   Custodian ............................                        3,000
   Miscellaneous ........................                       11,226
                                                            ----------
   Total expenses .......................                      203,234
                                                            ----------
Net investment income ...................                    1,054,501
                                                            ----------
REALIZED AND UNREALIZED GAIN (LOSS)
ON INVESTMENTS (NOTE 3)
Realized gain on investments ............                       42,400
Net change in unrealized appreciation on
 investments ............................                   (1,146,734)
                                                            ----------
Net loss on investments .................                   (1,104,334)
                                                            ----------
NET DECREASE IN NET INVESTMENT ASSETS
RESULTING FROM OPERATIONS ...............                   $  (49,833)
                                                            ===========


                       See Notes to Financial Statements.
                                       7
<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK CALIFORNIA INVESTMENT QUALITY MUNICIPAL TRUST INC.
STATEMENTS OF CHANGES IN NET INVESTMENT ASSETS
- --------------------------------------------------------------------------------



<TABLE>
<CAPTION>
                                                                                    YEAR ENDED OCTOBER 31,
                                                                               ---------------------------------
                                                                                     1999              1998
                                                                               ---------------   ---------------
<S>                                                                            <C>               <C>
INCREASE (DECREASE) IN INVESTMENT ASSETS
OPERATIONS:
 Net investment income .....................................................    $  1,054,501      $  1,058,329
 Net realized gain on investments ..........................................          42,400                 -
 Net change in unrealized appreciation on investments ......................      (1,146,734)          791,797
                                                                                ------------      ------------
 Net increase (decrease) in net investment assets resulting from operations          (49,833)        1,850,126
DIVIDENDS:
 To common shareholders from net investment income .........................        (883,630)         (883,641)
 To preferred shareholders from net investment income ......................        (222,879)         (244,760)
                                                                                ------------      ------------
 Total dividends ...........................................................      (1,106,509)       (1,128,401)
                                                                                ------------      ------------
  Total increase (decrease) ................................................      (1,156,342)          721,725
NET INVESTMENT ASSETS
Beginning of year ..........................................................      23,095,199        22,373,474
                                                                                ------------      ------------
End of year ................................................................    $ 21,938,857      $ 23,095,199
                                                                                ============      ============
</TABLE>



                       See Notes to Financial Statements.
                                       8

<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK CALIFORNIA INVESTMENT QUALITY MUNICIPAL TRUST INC.
FINANCIAL HIGHLIGHTS
- --------------------------------------------------------------------------------


<TABLE>
<CAPTION>
                                                                                        YEAR ENDED OCTOBER 31,
                                                                    ---------------------------------------------------------------
                                                                        1999         1998       1997        1996          1995
                                                                    ----------- ----------- ------------ ----------- --------------
<S>                                                                  <C>        <C>          <C>         <C>          <C>
PER COMMON SHARE OPERATING PERFORMANCE:
Net asset value, beginning of year ................................   $ 15.49     $  14.77   $  14.20    $ 13.85      $   11.74
                                                                      -------     --------   --------    -------      ---------
 Net investment income ............................................      1.05         1.05       1.07       1.08           1.05
 Net realized and unrealized gain (loss) on investments ...........    ( 1.10)         .79        .61        .33           2.12
                                                                      -------     --------   --------    -------      ---------
Net increase (decrease) from investment operations ................    ( 0.05)        1.84       1.68       1.41           3.17
                                                                      -------     --------   --------    -------      ---------
Dividends and Distributions:
 Dividends from net investment income to:
   Common shareholders ............................................    (  .88)      (  .88)   (   .87)    (  .80)       (   .79)
   Preferred shareholders .........................................    (  .22)      (  .24)   (   .24)    (  .25)       (   .27)
 Distributions in excess of net realized gains
  on investments to:
  Common shareholders .............................................         -            -         **     (  .01)             -
  Preferred shareholders ..........................................         -            -         **         **              -
                                                                      -------    ---------   --------   --------     ----------
 Total dividends and distributions ................................    ( 1.10)      ( 1.12)   (  1.11)    ( 1.06)       (  1.06)
                                                                      -------    ---------   --------    -------     ----------
Net asset value, end of year* .....................................   $ 14.34     $  15.49   $  14.77    $ 14.20      $   13.85
                                                                      =======    =========   ========    =======     ==========
Per share market value, end of year* ..............................   $ 15.50     $  16.125  $  15.00    $ 13.50      $   12.625
                                                                      =======    =========   ========    =======     ==========
TOTAL INVESTMENT RETURN+:  ........................................      1.52%       13.70%     17.98%     13.80%         26.86%
RATIOS TO AVERAGE NET ASSETS OF COMMON
 SHAREHOLDERS:
Expenses++ . ......................................................      1.34%        1.36%      1.32%      1.42%          1.52%
Net investment income before preferred stock dividends++.. ........      6.95%        6.93%      7.48%      7.78%          8.24%
Preferred stock dividends .........................................      1.47%        1.60%      1.70%      1.82%          2.09%
Net investment income available to common shareholders ............      5.48%        5.33%      5.78%      5.96%          6.15%
SUPPLEMENTAL DATA:
Average net assets of common shareholders (in thousands) ..........   $15,170    $  15,265   $ 14,445   $ 13,996     $   12,892
Portfolio turnover rate ...........................................         4%           0%        28%        72%           149%
Net assets of common shareholders, end of year (in thousands) .....   $14,439    $  15,595   $ 14,873   $ 14,296     $   13,946
Asset coverage per share of preferred stock, end of year ..........   $73,138    $  76,990   $ 74,583   $ 72,654     $   71,485
Preferred stock outstanding (in thousands) ........................   $ 7,500    $   7,500   $  7,500   $  7,500     $    7,500


</TABLE>


- ----------

*   Net asset value and market  value are  published in BARRON'S on Saturday and
    THE WALL STREET  JOURNAL  each  Monday.
**  Actual   amount  paid  for  the  year  ended  October  31,  1997  to  common
    shareholders  was  $0.00056  per share  and to  preferred  shareholders  was
    $0.00018 per common share. Actual amount paid to preferred  shareholders for
    the year ended  October  31,  1996 was  $0.0048  per common  share.
+   Total investment return is calculated assuming a purchase of common stock at
    the current  market value on the first day and a sale at the current  market
    price on the last day of each 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. This  calculation  does not
    reflect  brokerage  commissions.
++  Ratios are calculated on the basis of income and expenses applicable to both
    the common and preferred shares relative to the average net assets of common
    shareholders.

The  information  above  represents the audited operating performance data for a
share  of  common  stock  outstanding, total investment return, ratio 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 the Trust's common stock.



                       See Notes to Financial Statements.
                                       9


<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK CALIFORNIA INVESTMENT
QUALITY MUNICIPAL TRUST INC.
NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

NOTE 1. ORGANIZATION & ACCOUNTING POLICIES

     The  BlackRock  California  Investment  Quality  Municipal  Trust Inc. (the
"Trust")  was  organized  in  Maryland  on April 12,  1993 as a  non-diversified
closed-end management investment company. The Trust's investment objective is to
manage a portfolio of investment quality securities while providing high current
income exempt from regular federal and California  state income taxes consistent
with the preservation of capital. 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  which  mature  in 60  days or less  are  valued  at
amortized  cost,  if their term to maturity  from date of purchase is 60 days or
less.  Short-term  securities with a term to maturity  greater than 60 days from
date of  purchase  are valued at current  market  quotation  until  maturity  or
disposition.

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  accretes  original  issue discount or amortizes
premium on securities purchased using the interest method.

FEDERAL  INCOME  TAXES: For federal income tax purposes, the Trust is treated as
a  separate  taxpaying entity. It is the intent of the Trust to continue to meet
the   requirements   of  the  Internal  Revenue  Code  applicable  to  regulated
investment  companies  and  to distribute all of its 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  "Adviser"),  a  wholly-owned  subsidiary  of BlackRock
Advisors, Inc., which is a wholly-owned subsidiary of BlackRock,  Inc., which in
turn is an indirect majority-owned subsidiary of PNC Bank Corp. The Trust has an
Administration   Agreement  with  Prudential  Investments  Fund  Management  LLC
("PIFM"),  a  wholly-owned  subsidiary of The  Prudential  Insurance  Company of
America.

     The  investment  fee paid to the  Adviser 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 PIFM 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 Adviser provides continuous supervision of
the investment  portfolio and pays the compensation of officers of the Trust who
are affiliated persons of the Adviser.  PIFM pays occupancy and certain clerical
and accounting costs of the Trust. The Trust bears all other costs and expenses.


                                       10


<PAGE>

NOTE 3. PORTFOLIO SECURITIES

     Purchase  and  sales  of  investment  securities,   other  than  short-term
investments,  for the year  ended  October  31,  1999  aggregated  $931,113  and
$1,563,613, respectively.

     The federal income tax basis of the Trust's investments at October 31, 1999
was  substantially the same as the basis for financial  reporting  purposes and,
accordingly, net and gross unrealized appreciation was $1,283,559.

     For federal income tax purposes,  the Trust had a capital loss carryforward
at  October  31,  1999 of  approximately  $773,000  which  will  expire in 2002.
Accordingly, no capital gain distribution is expected to be paid to shareholders
until net gains have been realized in excess of such amount.

NOTE 4.  CAPITAL

     There are 200 million shares of $.01 par value common stock authorized. Of
the 1,007,093 shares outstanding at October 31, 1999, the Adviser owned 7,093
shares. As of October 31, 1999 there were 300 shares of Preferred Stock Series
W7 outstanding.

     The Trust may classify or  reclassify  any unissued  shares of common stock
into  one or more  series  of  preferred  stock.  On July  29,  1993  the  Trust
reclassified  150 shares of common  stock and issued a series of Auction  Market
Preferred  Stock  ("Preferred  Stock")  Series  W7.  The  Preferred  Stock had a
liquidation  value  of  $50,000  per  share  plus  any  accumulated  but  unpaid
dividends.  On May 16, 1995 shareholders approved a proposal to split each share
of  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.  Dividend  rates ranged from 2.75% to 3.375%
during the year ended October 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 shares, voting separately as a class would be required to
(a) adopt any plan of  reorganization  that would adversely affect the preferred
shares 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  October  31,  1999,  the  Board of  Directors  of the Trust
declared a dividend  from  undistributed  earnings of $.073125  per common share
payable December 1, 1999 to shareholders of record on November 15, 1999.

     For the period November 1, 1999 to November 30, 1999, dividends declared on
Preferred  Stock  totalled  $20,118 in aggregate for the  outstanding  Preferred
Stock.


                                       11


<PAGE>

- --------------------------------------------------------------------------------
        THE BLACKROCK CALIFORNIA INVESTMENT QUALITY MUNICIPAL TRUST INC.
                         REPORT OF INDEPENDENT AUDITORS
- --------------------------------------------------------------------------------
The Shareholders and Board of Directors of
The BlackRock California Investment Quality Municipal Trust Inc.:

     We have  audited  the  accompanying  statement  of assets and  liabilities,
including the portfolio of investments,  of The BlackRock California  Investment
Quality  Municipal Trust Inc. as of October 31, 1999 and the related  statements
of operations  for the year then ended and of changes in net  investment  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 October
31, 1999,  by  correspondence  with the  custodian  and  brokers.  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,  such financial statements and financial highlights present
fairly,  in all  material  respects,  the  financial  position of The  BlackRock
California  Investment Quality Municipal Trust Inc. at October 31, 1999, and the
results of its  operations,  the  changes in its net  investment  assets and its
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
December 13, 1999


                                       12


<PAGE>

- --------------------------------------------------------------------------------
       THE BLACKROCK CALIFORNIA INVESTMENT QUALITY MUNICIPAL TRUST INC.
                                TAX INFORMATION
- --------------------------------------------------------------------------------

     We are required by the  Internal  Revenue Code to advise you within 60 days
of the Trust's  fiscal year end  (October 31, 1999) as to the federal tax status
of dividends you received during such fiscal year. Accordingly,  during the year
the Trust paid  Federal  tax-exempt  dividends  of  $0.8775  per share to common
shareholders and $742.93 per share to preferred shareholders.

- --------------------------------------------------------------------------------
                           DIVIDEND REINVESTMENT PLAN
- --------------------------------------------------------------------------------

     Pursuant  to  the  Trust's   Dividend   Reinvestment   Plan  (the  "Plan"),
shareholders are  automatically  enrolled 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 elect not to
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 American
Stock Exchange or elsewhere,  for the participants' accounts. The Trust will not
issue any new shares in connection with 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 will be made 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,  state or local income taxes 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 addresses are on the front of this report.


                                       13

<PAGE>

- --------------------------------------------------------------------------------
        THE BLACKROCK CALIFORNIA INVESTMENT QUALITY MUNICIPAL TRUST INC.
                            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.

     YEAR 2000  READINESS  DISCLOSURE.  The Trust has evaluated its  information
technology  infrastructure  for Year 2000 compliance.  Substantially  all of the
Trust's information systems are supplied by the Adviser. The Adviser has advised
the Trust that it has evaluated whether such systems are year 2000 compliant and
that it expects to incur costs of up to  approximately  one  million  dollars to
complete such evaluation and to make any  modifications to its systems as may be
necessary to achieve Year 2000 compliance. The Adviser advised the Trust that it
has fully tested its systems for Year 2000 compliance. The Trust may be required
to bear a portion  of such cost  incurred  by the  Adviser in this  regard.  The
Adviser  has  advised  the  Trust  that  it does  not  anticipate  any  material
disruption  in the  operations  of the Trust as a result of any  failure  by the
Adviser to achieve  Year 2000  compliance.  There can be no  assurance  that the
costs will not exceed  the amount  referred  to above or that the Trust will not
experience a disruption in operations.

     The Adviser has advised  the Trust that it is  continuing  to evaluate  the
Year 2000  compliance  of various  suppliers  of the Adviser and the Trust.  The
Adviser  advised  the Trust  that it has  communicated  with such  suppliers  to
determine their Year 2000 compliance  status and the extent to which the Adviser
or the Trust could be affected by any supplier's Year 2000 compliance issues. To
date, the Adviser received  responses from substantially all such suppliers with
respect to their Year 2000 compliance.  However,  there can be no assurance that
the systems of such suppliers,  who are beyond the Trust's control, will be Year
2000 compliant.  In the event that any of the Trust's  significant  suppliers do
not successfully  and timely achieve Year 2000 compliance,  the Trust's business
or operations could be adversely affected. The Adviser advised the Trust that it
has prepared a contingency plan for Year 2000 compliance by its suppliers. There
can be no assurance that such  contingency plan will be successful in preventing
a disruption of the Trust's operations.

     The  Trust  is  designating  this  disclosure  as its Year  2000  readiness
disclosure  for all  purposes  under the Year  2000  Information  and  Readiness
Disclosure  Act and the  foregoing  information  shall  constitute  a Year  2000
Readiness Statement for purposes of that Act.


                                       14


<PAGE>

- --------------------------------------------------------------------------------
        THE BLACKROCK CALIFORNIA INVESTMENT QUALITY MUNICIPAL TRUST INC.
                               INVESTMENT SUMMARY
- --------------------------------------------------------------------------------

THE TRUST'S INVESTMENT OBJECTIVE

The  BlackRock  California   Investment  Quality  Municipal  Trust's  investment
objective  is to provide  high current  income  exempt from regular  Federal and
California income tax consistent with the preservation of capital.

WHO MANAGES THE TRUST?

BlackRock  Financial  Management,   Inc.   ("BlackRock")  is  an  SEC-registered
investment  adviser.  As of September  30, 1999,  BlackRock  and its  affiliates
managed over $148 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-three  closed-end funds that are traded on either the New York or
American  stock  exchanges,  and a $24 billion  family of equity and bond funds.
BlackRock  manages  over  487  accounts,  domiciled  in the  United  States  and
overseas.

WHAT CAN THE TRUST INVEST IN?

Under normal  conditions,  the Trust expects to continue to manage its assets so
that at least 80% of its investments are rated at least  investment grade ("BBB"
by Standard & Poor's or "Baa" by Moody's Investor Services) and up to 20% of its
assets may instead be deemed to be of equivalent  credit quality by the Adviser.
The Trust  intends to invest  substantially  all of the assets in a portfolio of
investment  grade   California   Municipal   Obligations,   which  include  debt
obligations  issued by or on behalf of California,  its political  subdivisions,
agencies and instrumentalities and by other qualifying issuers that pay interest
which, in the opinion of the bond counsel of the issuer,  is exempt from regular
Federal and California income tax. California  Municipal  Obligations are issued
to obtain funds for various  public  functions,  including the  construction  of
public facilities, the refinancing of outstanding obligations,  the obtaining of
funds for general operating expenses and for loans to other public  institutions
and facilities.

WHAT IS THE ADVISER'S INVESTMENT STRATEGY?

The Adviser will manage the assets of the Trust in  accordance  with the Trust's
investment  objective and policies to seek to achieve its objective by investing
in  investment  grade  California  Municipal  Obligations  or  other  qualifying
issuers.  The  Adviser  actively  manages  the  assets  in  relation  to  market
conditions  and  interest  rate  changes.   Depending  on  yield  and  portfolio
allocation  considerations,  the  Adviser  may choose to invest a portion of the
Trust's  assets  in  securities  which  pay  interest  that  is  subject  to AMT
(alternative  minimum  tax).  The Trust  intends  to  emphasize  investments  in
California  Municipal  Obligations  with  long-term  maturities  and  expects to
maintain an average portfolio  maturity of 15-20 years, but the average maturity
may be shortened or lengthened from time to time depending on market conditions.

Under current market conditions the use of leverage  increases the income earned
by the Trust.  The Trust  employs  leverage  primarily  through the  issuance of
preferred  stock.   Preferred  stockholders  will  receive  dividends  based  on
short-term rates in exchange for allowing the Trust to borrow additional assets.
These assets will be invested in longer-term assets which typically offer higher
interest  rates and the  difference  between the cost of the  dividends  paid to
preferred  stockholders  and the interest earned on the  longer-term  securities
will provide higher income levels for common  stockholders in most interest rate
environments.  The Trust issued  preferred  stock to leverage  the  portfolio at
approximately  35% of total assets.  See "Leverage  Considerations in the Trust"
below.

HOW  ARE  THE  TRUST'S  SHARES  PURCHASED AND SOLD? DOES THE TRUST PAY DIVIDENDS
REGULARLY?

The Trust's  shares are traded on the American  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 fund 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.

                                       15


<PAGE>

LEVERAGE CONSIDERATIONS IN THE TRUST

Leverage  increases  the duration (or price  sensitivity  of the net assets with
respect to changes  in  interest  rates) of the  Trust,  which can  improve  the
performance  of the fund in a  declining  rate  environment,  but can  cause net
assets to decline  faster in a rapidly  rising  interest rate  environment.  The
Trust may reduce,  or unwind,  the amount of leverage  employed should BlackRock
consider that  reduction to be in the best  interests of the Trust.  BlackRock's
portfolio managers  continuously monitor and regularly review the Trust's use of
leverage  and  maintain  the  ability to unwind the  leverage  if that course is
chosen.

SPECIAL CONSIDERATIONS AND RISK FACTORS RELEVANT TO THE TRUST

THE  TRUST  IS  INTENDED  TO  BE  A LONG-TERM INVESTMENT AND IS NOT A SHORT-TERM
TRADING VEHICLE.

INVESTMENT  OBJECTIVE.  Although  the  objective of the Trust is to provide high
current income exempt from regular Federal and California  income tax consistent
with the preservation of capital,  there can be no assurance that this objective
will be achieved.

DIVIDEND  CONSIDERATIONS.  The income and dividends paid by the Trust are likely
to vary over time as fixed income market conditions change. Future dividends may
be higher or lower than the dividend the Trust is currently paying.

LEVERAGE.  The Trust utilizes leverage through  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 American Stock  Exchange  (AMEX symbol:  RAA) 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.

INVESTMENT GRADE MUNICIPAL  OBLIGATIONS.  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.

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. These securities involve 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.


                                       16


<PAGE>

- --------------------------------------------------------------------------------
        THE BLACKROCK CALIFORNIA INVESTMENT QUALITY MUNICIPAL 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 the  deduction  of
                         expenses.  This Trust  declares  and pays  dividends to
                         common shareholders on a monthly basis.

DIVIDEND REINVESTMENT:   Shareholders  may have all dividends and  distributions
                         of  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   investments,   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.

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


                                       17

<PAGE>

- --------------------------------------------------------------------------------
                      BLACKROCK FINANCIAL MANAGEMENT, INC.
                          SUMMARY OF CLOSED-END FUNDS
- --------------------------------------------------------------------------------
TAXABLE TRUSTS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                       STOCK      MATURITY
                                                                       SYMBOL       DATE
PERPETUAL TRUSTS                                                     ---------   ---------
<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


</TABLE>
TAX-EXEMPT TRUSTS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                       STOCK      MATURITY
                                                                       SYMBOL       DATE
PERPETUAL TRUSTS                                                     ---------   ---------
<S>                                                                     <C>           <C>
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>


IF  YOU  WOULD LIKE FURTHER INFORMATION PLEASE DO NOT HESITATE TO CALL BLACKROCK
         AT (800) 227-7BFM (7236)OR CONSULT WITH YOUR FINANCIAL ADVISOR.

                                       18

<PAGE>

- --------------------------------------------------------------------------------
                      BLACKROCK FINANCIAL MANAGEMENT, INC.
                                  AN OVERVIEW
- --------------------------------------------------------------------------------

     BlackRock  Financial  Management,  Inc.  ("BlackRock") is an SEC-registered
investment  adviser.  As of September  30, 1999,  BlackRock  and its  affiliates
managed over $148 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-three closed-end
funds that are traded on either the New York or American stock exchanges,  and a
$24 billion family of open-end equity and bond funds. BlackRock manages over 487
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


                                       19

<PAGE>


BLACKROCK

DIRECTORS
Laurence D. Fink, CHAIRMAN
Andrew F. Brimmer
Richard E. Cavanagh
Kent Dixon
Frank J. Fabozzi
James Grosfeld
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 ADVISER
BlackRock Financial Management, Inc.
345 Park Avenue
New York, NY 10154
(800) 227-7BFM

ADMINISTRATOR
Prudential Investments Fund Management LLC
Gateway Center Three
100 Mulberry Street
Newark, NJ 07102-4077

CUSTODIAN AND TRANSFER AGENT
State Street Bank and Trust Company
One Heritage Drive
North Quincy, MA 02171
(800) 699-1BFM

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
919 Third Avenue
New York, NY 10022


     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 INVESTMENT
                          QUALITY MUNICIPAL TRUST INC.
                 c/o Prudential Investments Fund Management LLC
                              Gateway Center Three
                              100 Mulberry Street
                             Newark, NJ 07102-4077
                                 (800) 227-7BFM

Printed on recycled paper                                           09247U-10-7
                                                                    09247F-10-0

BLACKROCK

THE
CALIFORNIA
INVESTMENT QUALITY
MUNICIPAL TRUST INC.
- ----------------------------------------------------------------------------
ANNUAL REPORT
OCTOBER 31, 1999


[GRAPHIC OMITTED]






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