    <SEC-DOCUMENT>0001193125-23-269490-index.html : 20231102
    <SEC-HEADER>0001193125-23-269490.hdr.sgml : 20231102
    <ACCEPTANCE-DATETIME>20231102170657
    ACCESSION NUMBER:		0001193125-23-269490
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		6
    CONFORMED PERIOD OF REPORT:	20231212
    FILED AS OF DATE:		20231102
    DATE AS OF CHANGE:		20231102

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Nuveen California Quality Municipal Income Fund
    		CENTRAL INDEX KEY:			0001074952
    		IRS NUMBER:				364270660
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			0228

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	811-09161
    		FILM NUMBER:		231373472

    	BUSINESS ADDRESS:
    		STREET 1:		C/O NUVEEN INVESTMENTS
    		STREET 2:		333 W WACKER DRIVE
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60606
    		BUSINESS PHONE:		3129177783

    	MAIL ADDRESS:
    		STREET 1:		C/O NUVEEN INVESTMENTS
    		STREET 2:		333 W WACKER DRIVE
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60606

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	NUVEEN CALIFORNIA DIVIDEND ADVANTAGE MUNICIPAL FUND
    		DATE OF NAME CHANGE:	20011011

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	NUVEEN CALIFORNIA MUNICIPAL ADVANTAGE FUND
    		DATE OF NAME CHANGE:	19981209
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>d446165ddef14a.htm
    <DESCRIPTION>NUVEEN CALIFORNIA QUALITY MUNICIPAL INCOME FUND
    <TEXT>
    Document 1 - file: d446165ddef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g446165g43g43.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g446165g43g43.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g446165g44g44.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g446165g44g44.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g446165g45g45.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g446165g45g45.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g446165g46g46.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g446165g46g46.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g446165g58b43.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g446165g58b43.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>