    <SEC-DOCUMENT>0001193125-24-125182-index.html : 20240430
    <SEC-HEADER>0001193125-24-125182.hdr.sgml : 20240430
    <ACCEPTANCE-DATETIME>20240430162158
    ACCESSION NUMBER:		0001193125-24-125182
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		5
    FILED AS OF DATE:		20240430
    DATE AS OF CHANGE:		20240430

    FILER:

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

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	811-10331
    		FILM NUMBER:		24897620

    	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>DEFA14A
    <SEQUENCE>1
    <FILENAME>d768190ddefa14a.htm
    <DESCRIPTION>BLACKROCK CALIFORNIA MUNICIPAL INCOME TRUST
    <TEXT>
    Document 1 - file: d768190ddefa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g768190g01g01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g768190g01g01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g768190g01g02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g768190g01g02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g768190g01g03.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g768190g01g03.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g768190g01g04.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g768190g01g04.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>