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:      811-10331                    

          BlackRock California Municipal Income Trust          
(Exact name of registrant as specified in charter)

100 Bellevue Parkway, Wilmington, DE  19809 
(Address of principal executive offices)  (Zip code) 

Robert S. Kapito, President

BlackRock California Municipal Income Trust

                                                  40 East 52nd Street, New York, NY 10022                                             
(Name and address of agent for service)

Registrant's telephone number, including area code:      888-825-2257                    

Date of fiscal year end:      October 31, 2005                         

Date of reporting period:      July 31, 2005                         

Item 1. Schedule of Investments.

The Registrant’s unaudited schedule of investments as of the close of the reporting period pursuant to Rule 30b1-5 under the Investment Company Act of 1940 is as follows:

 

PORTFOLIO OF INVESTMENTS (unaudited)
JULY 31, 2005

BlackRock California Municipal Income Trust (BFZ)

  Principal        
    Amount     Option Call  
Rating1   (000)   Description Provisions2   Value
      LONG-TERM INVESTMENTS—168.1%    
        California—145.7%    
        Anaheim Pub. Fin. Auth., Pub. Impvt. Proj., Ser. C, FSA,    
AAA   $24,500       Zero Coupon, 9/01/31 No Opt. Call   $    6,845,055
AAA   6,070       Zero Coupon, 9/01/32 No Opt. Call   1,610,735
        California, GO,    
A   10,000       5.50%, 11/01/33 11/13 @ 100   11,036,600
AAA   5,500       Ser. BZ, 5.35%, 12/01/21, MBIA 06/07 @ 101   5,577,275
AAA   5,000       Ser. BZ, 5.375%, 12/01/24, MBIA 06/07 @ 101   5,052,450
BBB   5,000   Cnty. Tobacco Sec. Agcy., Stanislaus Fdg., Ser. A, 5.875%, 6/01/43 06/12 @ 100   5,294,200
        Dept. of Wtr. Res., Pwr. Sply. Rev., Ser. A,    
A2   4,000 3     5.375%, 5/01/21 05/12 @ 101   4,345,280
A2   6,000       5.375%, 5/01/22 05/12 @ 101   6,506,760
    10,000   Edl. Facs. Auth.,    
AAA   10,000       Stanford Univ. Proj., Ser. Q, 5.25%, 12/01/32 06/11 @ 101   10,674,500
AA+   745       Univ. So. CA Proj., 5.00%, 10/01/33, 10/15 @100   790,676
AAA   6,000   El Monte Sr. Dept. of Pub. Svcs., Fac. Phase II, COP, 5.25%, 1/01/34, AMBAC 01/11 @ 100   6,346,500
        Elk Grove Unified Sch. Dist., Cmnty. Facs. Dist. 1, Spec. Tax, AMBAC,    
AAA   7,485       Zero Coupon, 12/01/29 12/11 @ 37.373   2,023,719
AAA   7,485       Zero Coupon, 12/01/30 12/11 @ 35.365   1,910,921
AAA   7,485       Zero Coupon, 12/01/31 12/11 @ 33.465   1,805,607
        Foothill/Eastn. Transp. Corridor Agcy., Toll Road Rev.,    
BBB   5,000       Zero Coupon, 1/15/33 01/10 @ 25.78   983,150
BBB   5,000       Zero Coupon, 1/15/34 01/10 @ 24.228   923,800
BBB   13,445       Zero Coupon, 1/15/35 01/10 @ 22.819   2,337,413
BBB   1,000       Zero Coupon, 1/15/38 01/10 @ 19.014   144,450
BBB   10,030       5.75%, 1/15/40 01/10 @ 101   10,230,299
BBB   5,000       5.875%, 1/15/26 01/14 @ 101   4,201,100
        Golden St. Tobacco Sec. Corp.,    
BBB   2,000       Ser. A-1, 6.625%, 6/01/40 06/13 @ 100   2,275,140
BBB   1,000       Ser. A-1, 6.75%, 6/01/39 06/13 @ 100   1,149,300
A-   10,200       Ser. B, 5.50%, 6/01/43 06/13 @ 100   11,307,516
A-   5,800       Ser. B, 5.625%, 6/01/38 06/13 @ 100   6,499,132
A-   16,440   Golden St. Tobacco Sec. Corp. Tobacco Settlement Rev., Ser. A, 5.00%, 6/01/45 06/15 @ 100   16,881,250
A3   16,440   Hlth. Fac. Fin. Auth. Rev., Cedars Sinai Med Center Proj., 5.00%, 11/15/34 11/15 @ 100   16,863,659
        Hlth. Facs. Fin. Auth., Ser. A,    
A   3,000       Insured Hlth. Facs. Valleycare Proj., 5.375%, 5/01/27 05/12 @ 100   3,188,670
AAA   4,890       Kaiser Proj., 5.40%, 5/01/28 ETM   5,056,993
        Infrastructure & Econ. Dev.,    
AAA   20,035       Bay Area Toll Brdgs., Ser. A, 5.00%, 7/01/36, AMBAC 07/13 @ 100   21,034,947
A   15,250       J. David Gladstone Inst. Proj., 5.25%, 10/01/34 10/11 @ 101   15,763,315
A+   13,500       Kaiser Hosp. Asst. LLC Proj., Ser. A, 5.55%, 8/01/31 08/11 @ 102   14,377,635
NR   4,965   Irvine Mobile Home Park, Meadows Mobile Home Park Proj., Ser. A, 5.70%, 3/01/28 03/08 @ 102   4,978,604
A3   7,700   Kaweah Delta Hlth. Care Dist., 6.00%, 8/01/34 08/12 @ 102   8,387,610
        Lathrop Fin. Auth., Wtr. Sply. Proj.,    
NR4   2,855       5.90%, 6/01/27 06/13 @ 100   2,894,056
NR4   5,140       6.00%, 6/01/35 06/13 @ 100   5,256,678
        Live Oak Unified Sch. Dist., Cap. Apprec. Election 2004, XLCA,    
AAA   1,030       Zero Coupon, 8/01/36 08/18 @ 37.743   196,503
AAA   1,080       Zero Coupon, 8/01/37 08/18 @ 35.649   198,202
AAA   1,125       Zero Coupon, 8/01/38 08/18 @ 33.665   190,226
AAA   1,175       Zero Coupon, 8/01/39 08/18 @ 31.785   187,589
AAA   1,230       Zero Coupon, 8/01/40 08/18 @ 30.004   185,361
AAA   1,285       Zero Coupon, 8/01/41 08/18 @ 28.317   182,765
AAA   1,340       Zero Coupon, 8/01/42 08/18 @ 26.72   179,841
AAA   1,400       Zero Coupon, 8/01/43 08/18 @ 25.208   176,148
AAA   1,465       Zero Coupon, 8/01/44 08/18 @ 23.777   173,852
AAA   985       Ser. B, Zero Coupon, 8/01/35 08/18 @ 39.952   198,911

1

BlackRock California Municipal Income Trust (BFZ) (continued)

  Principal        
    Amount     Option Call  
Rating1   (000)   Description Provisions2   Value
      California—(continued)    
B-   $    4,110   Los Angeles Regl. Arpt. Impvt. Corp. Lease Rev., Amer. Airlines, Inc.    
            Proj., Ser. C, 7.50%, 12/12 @ 102   $    4,393,385
BBB   1,000   Palm Springs Mobile Home Park., Sahara Mobile Home Park Proj., 5.625%, 5/15/26 05/12 @ 102   1,052,620
BBB+   4,000   Poll. Ctrl. Fin. Auth. Sld. Wst. Disp. Rev., Republic Svcs., Inc.    
            Proj., Ser. C, 5.25%, 6/1/2023 No Opt. Call   4,215,320
BBB   2,290   Poll. Ctrl. Sld. Wst., Wst. Mgmt., Inc. Proj., Ser. A-2, 5.40%, 4/01/25 04/15 @ 101   2,357,189
NR   4,000   Rancho Cucamonga Cmnty. Facs. Dist., Ser. A, 6.50%, 9/01/33 09/13 @ 100   4,232,720
AAA   15,500   Rancho Cucamonga Redev. Agcy., Tax Alloc. Rev., Rancho Redev.    
            Proj., 5.125%, 9/01/30, MBIA 09/11 @ 100   16,193,935
AAA   1,905   Richmond Wst. & Wtr., Zero Coupon, 8/01/31, FGIC No Opt. Call   534,410
AAA   10,100   Sacramento Cnty. San. Dist. Fin. Auth., Sacramento Regl. Cnty. San. Proj., Ser. A, 5.00%,    
            12/01/35, AMBAC 12/14 @ 100   10,677,720
AAA   3,335   Sacramento Util. Dist. Elec. Rev., Ser. R, 5.00%, 8/15/33, MBIA 08/13 @ 100   3,503,684
AAA   6,500   San Francisco City & Cnty. Arpt. Comm. Rev., Intl. Arpt. Proj., Ser. 27-A,    
            5.25%, 5/01/31, MBIA 05/11 @ 100   6,780,670
        San Francisco City & Cnty. Redev. Agcy.,    
NR   1,775       Cmnty. Facs. Dist., Mission Bay South Proj., 6.125%, 8/01/31 08/09 @ 102   1,830,078
NR   7,500       Cmnty. Facs. Dist., Mission Bay South Proj., 6.25%, 8/01/33 08/11 @ 101   8,016,150
        San Jose Multi-Fam. Hsg.,    
AAA   2,880       Lenzen Hsg. Proj., Ser. B, 5.45%, 2/20/43 08/11 @ 102   2,978,410
AAA   3,595       Vlgs. Pkwy. Sr. Apts. Proj., Ser. D, 5.50%, 4/01/34 04/11 @ 100   3,702,059
        Santa Clara Cnty. Hsg. Auth., Multi-Fam. Hsg., Ser. A,    
NR   6,250       Blossom River Apts. Proj., 6.50%, 9/01/39 03/08 @ 102   5,915,312
A3   1,715       John Burns Gardens Apts. Proj., 5.85%, 8/01/31 02/12 @ 101   1,759,916
A3   1,235       River Town Apts. Proj., 6.00%, 8/01/41 02/12 @ 101   1,265,579
NR   3,075   Santa Clarita Facs. Dist., Valencia Town Ctr. Proj., 5.85%, 11/15/32 11/10 @ 102   3,145,971
        Statewide Cmnty. Dev. Auth.,    
BBB+   4,000       Daughters of Charity Hlth. Proj., Ser. A, 5.25%, 7/01/30 07/15 @ 100   4,159,680
BBB+   6,500       Daughters of Charity Hlth. Proj., Ser. A, 5.25%, 7/01/35 07/15 @ 100   6,754,280
AA-   10,000       Sutter Hlth. Oblig. Grp. Proj., Ser. B, 5.625%, 8/15/42 08/12 @ 100   10,560,600
AAA   2,000   Upland Unified Sch. Dist., GO, Ser. B, 5.125%, 8/01/25, FSA 08/13 @ 100   2,142,760
NR   2,245   Val Verde Unified Sch. Dist. Fin. Auth., Spec. Tax Rev., 6.25%, 10/01/28 10/13 @ 102   2,369,171
Aaa   2,000 5 Vernon Elec. Sys., Malburg Generating Station Proj., 5.50%, 4/01/08 N/A   2,134,820
              337,100,832
        Multi-State—9.7%    
        Charter Mac Equity Issuer Trust,    
A3   7,000 6     Ser. A-2, 6.30%, 6/30/49 06/09 @ 100   7,426,020
Baa1   4,000 6     Ser. B-1, 6.80%, 11/30/50 11/10 @ 100   4,334,560
        MuniMae TE Bond Subsidiary, LLC,    
A3   7,000 6     Ser. A-1, 6.30%, 6/30/49 06/09 @ 100   7,349,440
Baa1   3,000 6     Ser. B-1, 6.80%, 6/30/50 11/10 @ 100   3,247,560
              22,357,580
        Puerto Rico—12.7%    
A3   10,000   Elec. Pwr. Auth., Ser. 2, 5.25%, 7/01/31 07/12 @ 101   10,617,200
        Pub. Fin. Corp., Ser. E,      
Aaa   10,000 5     5.70%, 2/01/10 N/A   11,003,600
Aaa   5,750 5     5.75%, 2/01/07 N/A   5,987,992
Baa2   1,850   Pub. Impvt., Ser. A, 5.00%, 7/01/29 07/14 @ 100   1,922,724
              29,531,516
        Total Long-Term Investments (cost $367,862,641)     388,989,928
        SHORT-TERM INVESTMENTS—1.5%    
        California—0.5%    
VMIG1   1,205 7 Econ. Recovery, Ser. C-5, 2.85%, 8/01/05, FRDD N/A        1,205,000

2

BlackRock California Municipal Income Trust (BFZ) (continued)

           
    Shares        
    (000)   Description     Value
        Money Market Funds—1.0%    
    2,250   AIM Tax Free Investment Co. Cash Reserve Portfolio   $     2,250,000
        Total Short-Term Investments (cost $3,455,000)     3,455,000
        Total Investments—169.6% (cost $371,317,641 8)     392,444,928
        Liabilities in excess of other assets (including $33,776,090 of investment purchase    
            payable)—(12.6%)     (29,060,676)
        Preferred stock at redemption value, including dividends payable—(57.0%)     (131,972,861)
        Net Assets Applicable to Common Shareholders—100%     $ 231,411,391

1   Using the higher of Standard & Poor’s, Moody’s Investor Service or Fitch Ratings.  
2   Date (month/year) and price of the earliest optional call or redemption. There may be other call provisions at varying prices at later dates.  
3   Security, or a portion thereof, pledged as collateral with a value of $1,649,188 on 902 short U.S. Treasury Note futures contracts expiring September 2005. The value of such contracts on July 31, 2005 was $100,107,906 , with an unrealized gain of $1,068,360.  
4   Security is deemed to be of investment grade quality by the investment advisor.  
5   This bond is prefunded. U.S. government securities, held in escrow, are used to pay interest on this security, as well as retire the bond in full at the date indicated, typically at a premium to par.  
6   Security is not registered under the Securities Act of 1933. These securities may be resold in transactions in accordance with Rule 144A under that Act, to qualified institutional buyers. As of July 31, 2005, the Trust held 9.7% of it nets assets, with a current market value of $22,357,580, in securities restricted as to resale.  
7   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.  
8   Cost for Federal income tax purposes is $373,534,312. The net unrealized appreciation on a tax basis is $18,910,616, consisting of $19,463,772 gross unrealized appreciation and $553,156 gross unrealized depreciation. 

KEY TO ABBREVIATIONS

AMBAC —   American Municipal Bond Assurance Corp.   FSA —   Financial Security Assurance  
COP —   Certificate of Participation   GO —   General Obligation  
ETM —   Escrowed to Maturity   MBIA —   Municipal Bond Insurance Assoc.  
FGIC —   Financial Guaranty Insurance Co.   XLCA —   XL Capital Assurance  
FRDD —   Floating Rate Daily Demand          


3

Item 2. Controls and Procedures.

(a) The Registrant's principal executive and principal financial officers have evaluated the Registrant's disclosure controls and procedures within 90 days of this filing and have concluded, as of that date, that the Registrant’s disclosure controls and procedures were reasonably designed to ensure that information required to be disclosed by the Registrant in this Form N-Q was recorded, processed, summarized, and reported within the required time periods and that information to be disclosed by the Registrant in this Form N-Q was accumulated and communicated to the Registrant’s management , including it principle executive and principle financial officers, as appropriate to allow timely decisions regarding required disclosure.

(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 (17 CFR 270.30a -3(d)) 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.

Separate certifications of the registrant’s principal executive and financial officers pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 are attached as EX-99.CERT.

SIGNATURES

     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.

(Registrant)          BlackRock California Municipal Income Trust                                        

By: /s/ Henry Gabbay                                                  
Name: Henry Gabbay
Title: Treasurer
Date: September 28, 2005

     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/ Robert S. Kapito                                                  
Name: Robert S. Kapito
Title: Principal Executive Officer
Date: September 28, 2005

By: /s/ Henry Gabbay                                                  
Name: Henry Gabbay
Title: Principal Financial Officer
Date: September 28, 2005