<SEC-DOCUMENT>0001193125-19-060647-index.html : 20190301
<SEC-HEADER>0001193125-19-060647.hdr.sgml : 20190301
<ACCEPTANCE-DATETIME>20190301152203
ACCESSION NUMBER:		0001193125-19-060647
CONFORMED SUBMISSION TYPE:	N-Q
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20181231
FILED AS OF DATE:		20190301
DATE AS OF CHANGE:		20190301
EFFECTIVENESS DATE:		20190301

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NUVEEN CALIFORNIA SELECT TAX FREE INCOME PORTFOLIO
		CENTRAL INDEX KEY:			0000885732
		IRS NUMBER:				363828111
		STATE OF INCORPORATION:			MA

	FILING VALUES:
		FORM TYPE:		N-Q
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-06623
		FILM NUMBER:		19648817

	BUSINESS ADDRESS:	
		STREET 1:		333 W WACKER DR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3129178200

	MAIL ADDRESS:	
		STREET 1:		333 W WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NUVEEN INSURED CALIFORNIA SELECT TAX FREE INCOME PORTFOLIO
		DATE OF NAME CHANGE:	19920929

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NUVEEN CALIFORNIA SELECT TAX FREE INCOME PORTFOLIO
		DATE OF NAME CHANGE:	19600201
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-Q
<SEQUENCE>1
<FILENAME>d682466dnq.htm
<DESCRIPTION>NUVEEN CALIFORNIA SELECT TAX-FREE INCOME PORTFOLIO
<TEXT>
Document 1 - file: d682466dnq.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>d682466dex99cert.htm
<DESCRIPTION>CERTIFICATIONS
<TEXT>
Document 2 - file: d682466dex99cert.htm

</DOCUMENT>
</SEC-DOCUMENT>