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, 2006     
Date of reporting period:     July 31, 2006     

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, 2006

BlackRock California Municipal Income Trust (BFZ)

       
Principal
Amount
Option Call
Rating1
(000)
Description
Provisions2
Value
    LONG-TERM INVESTMENTS—156.7%    
      California—135.6%    
      Anaheim Pub. Fin. Auth. RB, Pub. Impvt. Proj.,    
AAA $24,500       Ser. C, Zero Coupon, 9/01/31, FSA No Opt. Call $     7,223,335  
AAA 6,070       Ser. C, Zero Coupon, 9/01/32, FSA No Opt. Call 1,700,268  
      California GO,    
A+ 10,000       5.50%, 11/01/33 11/13 @ 100 10,752,400  
AAA 5,500       Ser. BZ, 5.35%, 12/01/21, MBIA 06/07 @ 101 5,627,160  
AAA 5,000       Ser. BZ, 5.375%, 12/01/24, MBIA 06/07 @ 101 5,112,600  
AAA 1,000   California St. Univ. RB, Ser. C, 5.00%, 11/01/38, MBIA 11/15 @ 100 1,030,540  
A+ 9,460   Chula Vista Indl. Dev. RB, 5.00%, 12/01/27 12/15 @ 102 9,565,479  
BBB 5,000   Cnty. Tobacco Sec. Agcy. RB, Stanislaus Fdg. Proj., Ser. A, 5.875%, 6/01/43 06/12 @ 100 5,186,600  
Aaa 10,000 3 Dept. of Wtr. Res. Pwr. Sply. RB, Ser. A, 5.375%, 5/01/12 N/A 10,923,800  
AAA 10,000   Edl. Facs. Auth. RB, Stanford Univ. Proj., Ser. Q, 5.25%, 12/01/32 06/11 @ 101 10,505,600  
AAA 6,000   El Monte Sr. Dept. of Pub. Svcs., Fac. Phase II COP, 5.25%, 1/01/34, AMBAC 01/11 @ 100 6,221,700  
      Elk Grove Unified Sch. Dist., Cmnty. Facs. Dist. 1 ST,    
AAA 7,485       Zero Coupon, 12/01/29, AMBAC 12/11 @ 37.373 2,128,285  
AAA 7,485       Zero Coupon, 12/01/30, AMBAC 12/11 @ 35.365 2,010,172  
AAA 7,485       Zero Coupon, 12/01/31, AMBAC 12/11 @ 33.465 1,902,163  
      Foothill/Eastn. Transp. Corridor Agcy. RB,    
BBB 5,000       Toll Road, Zero Coupon, 1/15/26 01/14 @ 101 4,413,400  
BBB 5,000       Toll Road, Zero Coupon, 1/15/33 01/10 @ 25.78 1,049,100  
BBB 5,000       Toll Road, Zero Coupon, 1/15/34 01/10 @ 24.228 985,800  
BBB 13,445       Toll Road, Zero Coupon, 1/15/35 01/10 @ 22.819 2,495,930  
BBB 1,000       Toll Road, Zero Coupon, 1/15/38 01/10 @ 19.014 154,470  
BBB 10,030       Toll Road, 5.75%, 1/15/40 01/10 @ 101 10,372,525  
      Golden St. Tobacco Sec. Corp. RB,    
AAA 13,145       5.00%, 6/01/45, AMBAC 06/15 @ 100 13,407,374  
BBB 2,000       Ser. A-1, 6.625%, 6/01/40 06/13 @ 100 2,228,620  
BBB 1,000       Ser. A-1, 6.75%, 6/01/39 06/13 @ 100 1,121,560  
AAA 10,200 3     Ser. B, 5.50%, 6/01/13 N/A 11,182,260  
AAA 5,800 3     Ser. B, 5.625%, 6/01/13 N/A 6,401,634  
      Hlth. Facs. Fin. Auth. RB,    
A+ 3,000       Insured Hlth. Facs. Valleycare, Ser. A, 5.375%, 5/01/27 05/12 @ 100 3,132,900  
AAA 4,890 4     Kaiser Proj., Ser. A, 5.40%, 5/01/28 ETM 5,011,712  
      Infrastructure & Econ. Dev. RB,    
AAA 22,435 3     Bay Area Toll Brdgs., Ser. A, 5.00%, 1/01/28, AMBAC N/A 24,321,335  
A 15,250       J. David Gladstone Inst. Proj., 5.25%, 10/01/34 10/11 @ 101 15,554,237  
A+ 13,500       Kaiser Hosp. Asst. LLC Proj., Ser. A, 5.55%, 8/01/31 08/11 @ 102 14,177,295  
NR 4,965   Irvine Mobile Home Park RB, Meadows Mobile Home Park Proj., Ser. A, 5.70%, 3/01/28 03/08 @ 102 4,921,854  
A3 7,700   Kaweah Delta Hlth. Care Dist. RB, 6.00%, 8/01/34 08/12 @ 102 8,267,182  
      Lathrop Fin. Auth. RB, Wtr. Sply. Proj.,    
NR 2,855       5.90%, 6/01/27 06/13 @ 100 2,991,155  
NR 5,140       6.00%, 6/01/35 06/13 @ 100 5,413,037  
      Live Oak Unified Sch. Dist. GO, Cap. Apprec. Election 2004,    
AAA 985       Zero Coupon, 8/01/35, XLCA 08/18 @ 39.952 211,361  
AAA 1,030       Zero Coupon, 8/01/36, XLCA 08/18 @ 37.743 208,554  
AAA 1,080       Zero Coupon, 8/01/37, XLCA 08/18 @ 35.649 212,803  
AAA 1,125       Zero Coupon, 8/01/38, XLCA 08/18 @ 33.665 201,994  
AAA 1,175       Zero Coupon, 8/01/39, XLCA 08/18 @ 31.785 199,186  
AAA 1,230       Zero Coupon, 8/01/40, XLCA 08/18 @ 30.004 196,603  
AAA 1,285       Zero Coupon, 8/01/41, XLCA 08/18 @ 28.317 193,842  
AAA 1,340       Zero Coupon, 8/01/42, XLCA 08/18 @ 26.72 190,736  
AAA 1,400       Zero Coupon, 8/01/43, XLCA 08/18 @ 25.208 187,348  
AAA 1,465       Zero Coupon, 8/01/44, XLCA 08/18 @ 23.777 184,912  
AAA 4,000   Los Angeles Dept. of Wtr. & Pwr., Pwr. Sys. RB, 5.00%, 7/01/35, FSA 07/15 @ 100 4,136,440  
B 4,110   Los Angeles Regl. Arpt. Impvt., Corp. Lease RB, American Airlines, Inc. Proj., Ser. C,    
          7.50%, 12/01/24 12/12 @ 102 4,554,538  
AAA 3,230   Murrieta Valley Univ. Sch. Dist. Pub. Fin. Auth. ST, Ser. A, 4.75%, 9/01/36 09/16 @ 100 3,185,071  

1

BlackRock California Municipal Income Trust (BFZ) (continued)

       
Principal
Amount
Option Call
Rating1
(000)
Description
Provisions2
Value
         
    California—(cont’d)      
BBB+ $ 1,000   Palm Springs Mobile Home Park RB, Sahara Mobile Home Park Proj., 5.625%, 5/15/26 05/12 @ 102 $     1,035,240  
AAA 4,900   Palm Springs Univ. Sch. Dist. GO, Election 2004, Ser. A, 4.50%, 8/01/35, FSA 08/14 @ 102 4,768,386  
BBB 2,290   Poll. Ctrl. Sld. Wst., Wst. Mgmt. RB, Inc. Proj., Ser. A-2, 5.40%, 4/01/25 04/15 @ 101 2,375,348  
NR 4,000   Rancho Cucamonga Cmnty. Facs. Dist. ST, Ser. A, 6.50%, 9/01/33 09/13 @ 100 4,175,440  
AAA 15,500   Rancho Cucamonga Redev. Agcy. TA, Rancho Redev. Proj., 5.125%, 9/01/30, MBIA 09/11 @ 100 15,871,225  
AAA 1,905   Richmond Wst. & Wtr. RB, Zero Coupon, 8/01/31, FGIC No Opt. Call 563,937  
AAA 1,000   San Diego Cmnty. Coll. GO, 5.00%, 5/01/30, FSA 05/15 @ 100 1,036,480  
AAA 6,500   San Francisco City & Cnty. Arpt. Comm., Intl. Arpt. RB, Ser. 27-A, 5.25%, 5/01/31, MBIA 05/11 @ 100 6,705,725  
      San Francisco City & Cnty. Redev. Agcy. ST,    
NR 1,775       Cmnty. Facs. Dist., Mission Bay South Proj., 6.125%, 8/01/31 08/09 @ 102 1,842,752  
NR 7,500       Cmnty. Facs. Dist., Mission Bay South Proj., 6.25%, 8/01/33 08/11 @ 101 7,898,700  
      San Jose Multi-Fam. Hsg. RB,    
AAA 2,880       Lenzen Hsg., Ser. B, 5.45%, 2/20/43 08/11 @ 102 2,950,934  
AAA 3,595       Vlgs. Pkwy. Sr. Apts. Proj., Ser. D, 5.50%, 4/01/34 04/11 @ 100 3,665,678  
      Santa Clara Cnty. Hsg. Auth. Multi-Fam. Hsg. RB,    
A3 1,715       John Burns Gardens Apts. Proj., Ser. A, 5.85%, 8/01/31 02/12 @ 101 1,779,587  
A3 1,235       River Town Apts. Proj., Ser. A, 6.00%, 8/01/41 02/12 @ 101 1,284,721  
NR 3,075   Santa Clarita Cmnty. Facs. Dist. ST, Valencia Town Ctr. Proj., 5.85%, 11/15/32 11/10 @ 102 3,139,913  
      Statewide Cmnty. Dev. Auth. RB,    
BBB+ 4,000       Daughters of Charity Hlth. Proj., Ser. A, 5.25%, 7/01/30 07/15 @ 100 4,105,720  
AA- 10,000       Sutter Hlth. Oblig. Grp. Proj., Ser. B, 5.625%, 8/15/42 08/12 @ 100 10,583,100  
AAA 2,000   Upland Unified Sch. Dist. GO, Ser. B, 5.125%, 8/01/25, FSA 08/13 @ 100 2,092,600  
NR 2,245   Val Verde Unified Sch. Dist. ST, 6.25%, 10/01/28 10/13 @ 102 2,339,380  
Aaa 2,000 3 Vernon Elec. Sys. RB, Malburg Generating Station Proj., 5.50%, 4/01/08 N/A 2,060,300  
AAA 2,000   West Valley-Mission Cmnty. Coll. Dist. GO, Election 2004 A, 4.75%, 8/01/30, FSA 08/16 @ 100 2,009,480  
          313,641,516  
      Multi-State—9.6%    
      Charter Mac Equity Issuer Trust,    
A3 7,000 5     Ser. A-2, 6.30%, 6/30/49 No Opt. Call 7,343,420  
Baa1 4,000 5     Ser. B-1, 6.80%, 11/30/50 No Opt. Call 4,252,600  
      MuniMae TE Bond Subsidiary, LLC,    
A3 7,000 5     Ser. A-1, 6.30%, 6/30/49 06/09 @ 100 7,343,420  
Baa1 3,000 5     Ser. B-1, 6.80%, 6/30/50 11/10 @ 100 3,208,650  
          22,148,090  
      Puerto Rico—11.5%    
A3 10,000   Elec. Pwr. Auth. RB, Ser. 2, 5.25%, 7/01/31 07/12 @ 101 10,267,500  
      Pub. Fin. Corp. RB,    
Aaa 10,000 3     Ser. E, 5.70%, 2/01/10 N/A 10,626,400  
Aaa 5,750 3     Ser. E, 5.75%, 2/01/07 N/A 5,808,592  
          26,702,492  
      Total Investments—156.7% (cost $343,195,6766)   $ 362,492,098  
      Other assets in excess of liabilities—0.4%   862,358  
      Preferred shares at redemption value, including dividends payable—(57.1)%   (132,010,003)  
      Net Assets—100%   $ 231,344,453  

 
1 Using the highest of Standard & Poor’s, Moody’s Investment Services or Fitch’s 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 This bond is prerefunded. 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.  
4 Security is collateralized by Municipal or U.S. Treasury obligations.  
5 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, 2006, the Trust held 9.6% of its net assets, with a current market value of $22,148,090, in securities restricted as to resale.  
6 Cost for Federal income tax purposes is $345,386,033. The net unrealized appreciation on a tax basis is $17,106,065, consisting of $17,230,593 gross unrealized appreciation and $124,528 gross unrealized depreciation.  
KEY TO ABBREVIATIONS
AMBAC — American Municipal Bond Assurance Corp.   MBIA — Municipal Bond Insurance Assoc.  
COP — Certificate of Participation   RB — Revenue Bond  
ETM — Escrowed to Maturity   ST — Special Tax  
FGIC — Financial Guaranty Insurance Co.   TA — Tax Allocation  
FSA — Financial Security Assurance   XLCA — XL Capital Assurance  
GO — General Obligation              

2

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 its principal executive and principal 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 and Principal Financial Officer
Date: September 27, 2006

     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: President and Principal Executive Officer
Date: September 27, 2006

By:     /s/ Henry Gabbay                                                  
Name: Henry Gabbay
Title: Treasurer and Principal Financial Officer
Date: September 27, 2006