<SEC-DOCUMENT>0001193125-25-269280-index.html : 20251106
<SEC-HEADER>0001193125-25-269280.hdr.sgml : 20251106
<ACCEPTANCE-DATETIME>20251106153431
ACCESSION NUMBER:		0001193125-25-269280
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		37
CONFORMED PERIOD OF REPORT:	20250831
FILED AS OF DATE:		20251106
DATE AS OF CHANGE:		20251106
EFFECTIVENESS DATE:		20251106

FILER:

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

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-09161
		FILM NUMBER:		251457856

	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>N-CSR
<SEQUENCE>1
<FILENAME>d76827dncsr.htm
<DESCRIPTION>NUVEEN CALIFORNIA QUALITY MUNICIPAL INCOME FUND
<TEXT>
Document 1 - file: d76827dncsr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>d76827dex99cert.htm
<DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT
<TEXT>
Document 2 - file: d76827dex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>3
<FILENAME>d76827dex99906cert.htm
<DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT
<TEXT>
Document 3 - file: d76827dex99906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.C
<SEQUENCE>4
<FILENAME>d76827dex99c.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM.
<TEXT>
Document 4 - file: d76827dex99c.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.PROXYVOTE
<SEQUENCE>5
<FILENAME>d76827dex99proxyvote.htm
<DESCRIPTION>EX-99.PROXYVOTE
<TEXT>
Document 5 - file: d76827dex99proxyvote.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>6
<FILENAME>ncqmif-20251106.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
<TEXT>
Document 6 - file: ncqmif-20251106.xsd

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g76827g1104090931367.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g76827g1104090931367.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g76827g1104090931679.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g76827g1104090931679.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g76827g1dsp1a.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g76827g1dsp1a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g76827g1g01t01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g76827g1g01t01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g76827g1g01t02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g76827g1g01t02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g76827g1g17t01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g76827g1g17t01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g76827g1g17t02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g76827g1g17t02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g76827g1g19t01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g76827g1g19t01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g76827g1g19t02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g76827g1g19t02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g76827g1g21t01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g76827g1g21t01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g76827g1g21t02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g76827g1g21t02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g76827g1g23t01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g76827g1g23t01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>g76827g1g23t02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: g76827g1g23t02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>g76827g1g25t01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: g76827g1g25t01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>g76827g1g25t02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: g76827g1g25t02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>g76827g1g27t01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: g76827g1g27t01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>g76827g1g27t02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: g76827g1g27t02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>g76827g1g29t01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: g76827g1g29t01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>g76827g1g29t02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: g76827g1g29t02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>g76827g1g31t01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 26 - file: g76827g1g31t01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>27
<FILENAME>g76827g1g31t02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 27 - file: g76827g1g31t02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>g76827g1g33t01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 28 - file: g76827g1g33t01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>29
<FILENAME>g76827g1g33t02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 29 - file: g76827g1g33t02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>31
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 31 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>32
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 32 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>33
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 33 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>35
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 35 - file: FilingSummary.html

Document 35 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>38
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 38 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>39
<FILENAME>0001193125-25-269280-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 39 - file: 0001193125-25-269280-xbrl.zip

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>40
<FILENAME>d76827dncsr_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 40 - file: d76827dncsr_htm.html

Document 40 - RAW XML: d76827dncsr_htm.xml

</DOCUMENT>
</SEC-DOCUMENT>