<SEC-DOCUMENT>0001752724-18-001011-index.html : 20181012
<SEC-HEADER>0001752724-18-001011.hdr.sgml : 20181012
<ACCEPTANCE-DATETIME>20181012171944
ACCESSION NUMBER:		0001752724-18-001011
CONFORMED SUBMISSION TYPE:	N-CEN
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20180731
FILED AS OF DATE:		20181012
EFFECTIVENESS DATE:		20181012

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK MUNIYIELD CALIFORNIA QUALITY FUND, INC.
		CENTRAL INDEX KEY:			0000888410
		IRS NUMBER:				223194459
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		N-CEN
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-06692
		FILM NUMBER:		181120834

	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 MUNIYIELD CALIFORNIA QUALITY FUND, INC
		DATE OF NAME CHANGE:	20101109

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK MUNIYIELD CALIFORNIA INSURED FUND, INC
		DATE OF NAME CHANGE:	20070612

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MUNIYIELD CALIFORNIA INSURED FUND INC
		DATE OF NAME CHANGE:	20050726
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CEN
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>INTERNAL CONTROL RPT
<SEQUENCE>2
<FILENAME>NCEN_4166801625579540.txt
<TEXT>
Document 2 - file: NCEN_4166801625579540.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>MATERIAL AMENDMENTS
<SEQUENCE>3
<FILENAME>811-06692_G1BI.htm
<TEXT>
Document 3 - file: 811-06692_G1BI.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>INST DEFINING RIGHTS
<SEQUENCE>4
<FILENAME>811-06692_G1BII.htm
<TEXT>
Document 4 - file: 811-06692_G1BII.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>ADVISORY CONTRACTS
<SEQUENCE>5
<FILENAME>811-06692_G1BIII.htm
<TEXT>
Document 5 - file: 811-06692_G1BIII.htm

</DOCUMENT>
</SEC-DOCUMENT>