    <SEC-DOCUMENT>0001193125-20-262143-index.html : 20201002
    <SEC-HEADER>0001193125-20-262143.hdr.sgml : 20201002
    <ACCEPTANCE-DATETIME>20201002113304
    ACCESSION NUMBER:		0001193125-20-262143
    CONFORMED SUBMISSION TYPE:	N-CSR
    PUBLIC DOCUMENT COUNT:		19
    CONFORMED PERIOD OF REPORT:	20200731
    FILED AS OF DATE:		20201002
    DATE AS OF CHANGE:		20201002
    EFFECTIVENESS DATE:		20201002

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BLACKROCK MUNIHOLDINGS CALIFORNIA QUALITY FUND, INC.
    		CENTRAL INDEX KEY:			0001051004
    		IRS NUMBER:				223559052
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			0630

    	FILING VALUES:
    		FORM TYPE:		N-CSR
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-08573
    		FILM NUMBER:		201218684

    	BUSINESS ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809
    		BUSINESS PHONE:		800-441-7762

    	MAIL ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BLACKROCK MUNIHOLDINGS CALIFORNIA INSURED FUND, INC.
    		DATE OF NAME CHANGE:	20070611

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MUNIHOLDINGS CALIFORNIA INSURED FUND
    		DATE OF NAME CHANGE:	20000828

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MUNIHOLDINGS CALIFORNIA INSURED FUND II INC/
    		DATE OF NAME CHANGE:	19980120
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSR
    <SEQUENCE>1
    <FILENAME>d847437dncsr.htm
    <DESCRIPTION>BLACKROCK MUNIHOLDINGS CALIFORNIA QUALITY FUND, INC
    <TEXT>
    Document 1 - file: d847437dncsr.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>2
    <FILENAME>d847437dex99cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302
    <TEXT>
    Document 2 - file: d847437dex99cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.906CERT
    <SEQUENCE>3
    <FILENAME>d847437dex99906cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906
    <TEXT>
    Document 3 - file: d847437dex99906cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.PROXYPOL
    <SEQUENCE>4
    <FILENAME>d847437dex99proxypol.htm
    <DESCRIPTION>PROXY VOTING POLICY
    <TEXT>
    Document 4 - file: d847437dex99proxypol.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.GLOBAL.CORP.GO
    <SEQUENCE>5
    <FILENAME>d847437dex99globalcorpgo.htm
    <DESCRIPTION>GLOBAL CORPORATE GOVERNANCE & ENGAGEMENT PRINCIPLES
    <TEXT>
    Document 5 - file: d847437dex99globalcorpgo.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.US.CORP.GOV
    <SEQUENCE>6
    <FILENAME>d847437dex99uscorpgov.htm
    <DESCRIPTION>CORPORATE GOVERNANCE AND PROXY VOTING GUIDELINES FOR U.S. SECURITIES
    <TEXT>
    Document 6 - file: d847437dex99uscorpgov.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g847445g10p11.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g847445g10p11.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g847445g12p13.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g847445g12p13.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g847445g14p15.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g847445g14p15.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g847445g35o11.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g847445g35o11.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g847445g38r93.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g847445g38r93.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g847445g42l24.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g847445g42l24.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g847445g65y42.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g847445g65y42.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g847445leaf.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g847445leaf.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g847603photo_01mips.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g847603photo_01mips.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>g847603sig_01mips.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g847603sig_01mips.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>g847616g14l22.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: g847616g14l22.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>g847616g33e79.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: g847616g33e79.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>g847616st0016.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: g847616st0016.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>