    <SEC-DOCUMENT>0001193125-17-111349-index.html : 20170405
    <SEC-HEADER>0001193125-17-111349.hdr.sgml : 20170405
    <ACCEPTANCE-DATETIME>20170405132210
    ACCESSION NUMBER:		0001193125-17-111349
    CONFORMED SUBMISSION TYPE:	N-CSRS
    PUBLIC DOCUMENT COUNT:		15
    CONFORMED PERIOD OF REPORT:	20170131
    FILED AS OF DATE:		20170405
    DATE AS OF CHANGE:		20170405
    EFFECTIVENESS DATE:		20170405

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BLACKROCK CALIFORNIA MUNICIPAL INCOME TRUST
    		CENTRAL INDEX KEY:			0001137391
    		IRS NUMBER:				510409109
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1031

    	FILING VALUES:
    		FORM TYPE:		N-CSRS
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-10331
    		FILM NUMBER:		17741918

    	BUSINESS ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		STREET 2:		MUTUAL FUND DEPARTMENT
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809
    		BUSINESS PHONE:		888-825-2257

    	MAIL ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		STREET 2:		MUTUAL FUND DEPARTMENT
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSRS
    <SEQUENCE>1
    <FILENAME>d510495dncsrs.htm
    <DESCRIPTION>BLACKROCK CALIFORNIA MUNICIPAL INCOME TRUST
    <TEXT>
    Document 1 - file: d510495dncsrs.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>2
    <FILENAME>d510495dex99cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302
    <TEXT>
    Document 2 - file: d510495dex99cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.906CERT
    <SEQUENCE>3
    <FILENAME>d510495dex99906cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906
    <TEXT>
    Document 3 - file: d510495dex99906cert.htm

    </DOCUMENT>
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    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g322615photo_01mips.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g322615photo_01mips.jpg

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    <SEQUENCE>5
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g322615sig_01mips.jpg

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    <SEQUENCE>6
    <FILENAME>g510495g00w05.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g510495g00w05.jpg

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    <SEQUENCE>7
    <FILENAME>g510495g01v26.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g510495g01v26.jpg

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    <SEQUENCE>8
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g510495g21f42.jpg

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    <SEQUENCE>9
    <FILENAME>g510495g21l97.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g510495g21l97.jpg

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    <SEQUENCE>10
    <FILENAME>g510495g41c85.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g510495g41c85.jpg

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    <SEQUENCE>11
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g510495g50n72.jpg

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    <SEQUENCE>12
    <FILENAME>g510495g65b16.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g510495g65b16.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g510495g70h80.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g510495g70h80.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g510495g98u13.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g510495g98u13.jpg

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    <SEQUENCE>15
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g510495leaf.jpg

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