<SEC-DOCUMENT>0001145549-19-017044-index.html : 20190613
<SEC-HEADER>0001145549-19-017044.hdr.sgml : 20190613
<ACCEPTANCE-DATETIME>20190613165131
ACCESSION NUMBER:		0001145549-19-017044
CONFORMED SUBMISSION TYPE:	N-CEN
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20190331
FILED AS OF DATE:		20190613
DATE AS OF CHANGE:		20190613
EFFECTIVENESS DATE:		20190613

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-CEN
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-06623
		FILM NUMBER:		19896643

	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-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>nuvkpmg_033119.htm
<DESCRIPTION>INTERNAL CONTROL REPORT 03.31.19
<TEXT>
Document 2 - file: nuvkpmg_033119.htm

</DOCUMENT>
</SEC-DOCUMENT>