UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED
MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number 811-07664
 
Name of Fund:   BlackRock California Investment Quality Municipal Trust, Inc. (RAA)
 
Fund Address:  100 Bellevue Parkway, Wilmington, DE 19809

Name and address of agent for service:  Donald C. Burke, Chief Executive Officer, BlackRock California Investment Quality Municipal Trust, Inc., 800 Scudders Mill Road, Plainsboro, NJ, 08536. Mailing address: P.O. Box 9011, Princeton, NJ, 08543-9011

Registrant’s telephone number, including area code: (800) 882-0052, Option 4

Date of fiscal year end: 10/31/2008

Date of reporting period: 11/01/2007 – 01/31/2008



Item 1 – Schedule of Investments

BlackRock California Investment Quality Municipal Trust
Schedule of Investments as of January 31, 2008 (Unaudited)
(in Thousands)
     
Face
       
    Amount   Municipal Bonds   Value
California - 127.7%
$
500   California Infrastructure and Economic Development Bank, Revenue Refunding    
        Bonds (The Salvation Army - Western Territory), 5% due 9/01/2027 (a)
$
518
    500   California Pollution Control Financing Authority, Solid Waste Disposal Revenue    
        Bonds (Waste Management Inc. Project), AMT, Series C, 5.125% due 11/01/2023   490
    500   California Rural Home Mortgage Finance Authority, S/F Mortgage Revenue Bonds    
        (Mortgage-Backed Securities Program), AMT, Series A, 5.40% due 12/01/2036 (b)(c)   532
    40   California State, GO, 5.75% due 3/01/2019   40
    1,000   California State, GO, Refunding, 5% due 9/01/2032   1,004
    500   California State Public Works Board, Lease Revenue Bonds (Department of    
        Corrections), Series H, 5% due 11/01/2031   489
    625   California State University, Systemwide Revenue Refunding Bonds, Series C, 5% due 11/01/2038 (e)   644
    500   California Statewide Communities Development Authority Revenue Bonds    
        (Kaiser Permanente), Series B, 5.25% due 3/01/2045   502
    500   California Statewide Communities Development Authority, Revenue Refunding    
        Bonds (Kaiser Hospital Asset Management, Inc.), Series C, 5.25% due 8/01/2031   508
    500   California Statewide Communities Development Authority, Revenue Refunding    
        Bonds (Kaiser Permanente), Series A, 5% due 4/01/2031   499
    500   Chabot-Las Positas, California, Community College District, GO (Election of 2004),    
        Series B, 5% due 8/01/2031 (a)   518
    500   Chino Basin, California, Regional Financing Authority, Revenue Refunding Bonds    
        (Inland Empire Utility Agency), Series A, 5% due 11/01/2033 (a)   509
    320   Chula Vista, California, IDR (San Diego Gas and Electric Company), AMT,    
        Series B, 5% due 12/01/2027   323
    275   Chula Vista, California, IDR (San Diego Gas and Electric Company), AMT,    
        Series D, 5% due 12/01/2027   278
    600   Contra Costa, California, Water District, Water Revenue Refunding Bonds,    
        Series O, 5% due 10/01/2024 (a)   638
    600   Golden State Tobacco Securitization Corporation of California, Tobacco Settlement    
        Revenue Bonds, Series B, 5.50% due 6/01/2013 (f)   674
Portfolio Abbreviations            

To simplify the listings of BlackRock California Investment Quality Municipal Trust's portfolio holdings in the Schedule of Investments, we have abbreviated the names of many of the securities according to the list below.

AMT   Alternative Minimum Tax (subject to)
GO   General Obligation Bonds
HFA   Housing Finance Agency
IDR   Industrial Development Revenue Bonds
S/F   Single-Family

 

1


BlackRock California Investment Quality Municipal Trust
Schedule of Investments as of January 31, 2008 (Unaudited)
(in Thousands)
   
Face
       
    Amount   Municipal Bonds   Value
  $ 400   Golden State Tobacco Securitization Corporation of California, Tobacco Settlement Revenue    
        Bonds, Series B, 5.625% due 6/01/2013 (f) $ 452
    250   Golden State Tobacco Securitization Corporation of California, Tobacco Settlement Revenue    
        Refunding Bonds, Senior Series A-1, 5.125% due 6/01/2047   216
    510   Los Angeles, California, Department of Airports, Airport Revenue Refunding Bonds (Ontario    
        International Airport), AMT, Series A, 5% due 5/15/2026 (e)   516
    945   Los Angeles, California, Regional Airports Improvement Corporation, Lease Revenue    
        Bonds (American Airlines Inc.), AMT, Series B, 7.50% due 12/01/2024   995
    500   Los Angeles, California, Water and Power Revenue Bonds (Power System), Sub-Series A-1, 5%    
        due 7/01/2035 (d)   519
    1,000   Los Angeles County, California, Community Facilities District Number 3, Special Tax Refunding    
        Bonds (Improvement Area A), Series A, 5.50% due 9/01/2014 (d)   1,023
    500   Metropolitan Water District of Southern California, Waterworks Revenue Bonds, Series A, 5%    
        due 7/01/2037   523
    1,000   Poway, California, Unified School District, Special Tax Bonds (Community Facilities District    
        Number 6), 5.60% due 9/01/2033   1,004
    1,000   San Bernardino County, California, Special Tax Bonds (Community Facilities District    
        Number 2002-1), 5.90% due 9/01/2033   979
    500   Southern California HFA, S/F Mortgage Revenue Bonds, AMT, Series A, 5.80%    
        due 12/01/2049 (b)(c)   543
    500   Southern California Public Power Authority, Natural Gas Project Number 1 Revenue Bonds,    
        Series A, 5% due 11/01/2033   482
    40   Southern California Public Power Authority, Transmission Project Revenue Refunding Bonds,    
        5.50% due 7/01/2020 (e)   40
    900   Tobacco Securitization Authority of Southern California, Asset-Backed Revenue Bonds, Senior    
        Series A, 5.625% due 6/01/2012 (f)   1,009
    750   Tustin, California, Unified School District, Senior Lien Special Tax Bonds (Community Facilities    
        District Number 97-1), Series A, 5% due 9/01/2032 (d)   762
    500   Vacaville, California, Unified School District, GO (Election of 2001), 5% due 8/01/2030 (e)   519
Puerto Rico - 17.2%   85   Puerto Rico Commonwealth Highway and Transportation Authority, Transportation Revenue    
        Refunding Bonds, Series L, 5.25% due 7/01/2038 (a)   87
    315   Puerto Rico Commonwealth, Public Improvement, GO, Series A, 5% due 7/01/2014 (f)   354
    185   Puerto Rico Commonwealth, Public Improvement, GO, Series A, 5% due 7/01/2034   180
    255   Puerto Rico Electric Power Authority, Power Revenue Bonds, Series NN, 5.125% due 7/01/2013 (f)   287
    700   Puerto Rico Industrial, Tourist, Educational, Medical and Environmental Control Facilities Revenue    
        Bonds (Ana G. Mendez University System Project), 5% due 3/01/2026   660

2


BlackRock California Investment Quality Municipal Trust
Schedule of Investments as of January 31, 2008 (Unaudited)
(in Thousands)
                 
     
Face
         
    Amount   Municipal Bonds   Value  
  $ 745   Puerto Rico Public Finance Corporation, Commonwealth Appropriation Revenue Bonds, Series      
        E, 5.50% due 2/01/2012 (f) $ 824  
        Total Municipal Bonds (Cost - $19,585) - 144.9%   20,140  
    Shares
Held
  Short-Term Securities      
    1,521   CMA California Municipal Money Fund, 2.12% (g)(h)   1,521  
        Total Short-Term Securities (Cost - $1,521) - 10.9%   1,521  
        Total Investments (Cost - $21,106*) - 155.8%   21,661  
        Liabilities in Excess of Other Assets - (1.8%)   (251 )
        Preferred Shares, at Redemption Value - (54.0%)   (7,506 )
        Net Assets Applicable to Common Shares - 100.0% $ 13,904  
   
   
   
* The cost and unrealized appreciation (depreciation) of investments as of January 31, 2008, as
  computed for federal income tax purposes, were as follows:          
  Aggregate cost $ 21,106      
  Gross unrealized appreciation $ 795      
  Gross unrealized depreciation   (240 )    
  Net unrealized appreciation $ 555      
(a)     

AMBAC Insured.

(b)     

FHLMC Collateralized.

(c)     

FNMA/GNMA Collateralized.

(d)     

FSA Insured.

(e)     

MBIA Insured.

(f)     

Prerefunded.

(g)     

Investments in companies considered to be an affiliate of the Trust, for purposes of Section 2(a)(3) of the Investment Company Act of 1940, were as follows:

 
 
Net
Dividend
Affiliate
Activity
  Income
CMA California Municipal Money Fund   
1,103
$ 5
(h) Represents the current yield as of January 31, 2008.    

3



Item 2 – Controls and Procedures
     
2 (a) – The registrant’s principal executive and principal financial officers or persons performing similar functions
    have concluded that the registrant’s disclosure controls and procedures (as defined in Rule 30a-3(c) under
    the Investment Company Act of 1940, as amended (the “1940 Act”)) are effective as of a date within 90
    days of the filing of this report based on the evaluation of these controls and procedures required by Rule
    30a-3(b) under the 1940 Act and Rule 13a-15(b) under the Securities Exchange Act of 1934, as amended.
 
2 (b) – There were no changes in the registrant’s internal control over financial reporting (as defined in Rule 30a-
    3(d) under the 1940 Act) that occurred during the registrant’s last fiscal quarter that have materially
    affected, or are reasonably likely to materially affect, the registrant’s internal control over financial
    reporting.
     
Item 3 – Exhibits
     
    Certifications – Attached hereto

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

BlackRock California Investment Quality Municipal Trust, Inc.

By:  
/s/ Donald C. Burke
    Donald C. Burke
    Chief Executive Officer of
    BlackRock California Investment Quality Municipal Trust, Inc
     
Date: March 24, 2008

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

By:  
/s/ Donald C. Burke
    Donald C. Burke
    Chief Executive Officer (principal executive officer) of
    BlackRock California Investment Quality Municipal Trust, Inc.
     
Date: March 24, 2008
 
By:  
/s/ Neal J. Andrews
    Neal J. Andrews
    Chief Financial Officer (principal financial officer) of
    BlackRock California Investment Quality Municipal Trust, Inc.
     
Date: March 24, 2008