<SEC-DOCUMENT>0001193125-17-263737-index.html : 20170821
<SEC-HEADER>0001193125-17-263737.hdr.sgml : 20170821
<ACCEPTANCE-DATETIME>20170821170807
ACCESSION NUMBER:		0001193125-17-263737
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20170821
DATE AS OF CHANGE:		20170821
EFFECTIVENESS DATE:		20170821

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:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-212519
		FILM NUMBER:		171043603

	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>497
<SEQUENCE>1
<FILENAME>d208550d497.htm
<DESCRIPTION>NUVEEN CALIFORNIA SELECT TAX-FREE INCOME PORTFOLIO
<TEXT>
Document 1 - file: d208550d497.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g208550002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g208550002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g208550003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g208550003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g208550g81x44.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g208550g81x44.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g208550img1s.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g208550img1s.jpg

</DOCUMENT>
</SEC-DOCUMENT>