<SEC-DOCUMENT>0001083839-17-000097-index.html : 20170530
<SEC-HEADER>0001083839-17-000097.hdr.sgml : 20170529
<ACCEPTANCE-DATETIME>20170530123747
ACCESSION NUMBER:		0001083839-17-000097
CONFORMED SUBMISSION TYPE:	NSAR-B
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20170331
FILED AS OF DATE:		20170530
DATE AS OF CHANGE:		20170530
EFFECTIVENESS DATE:		20170530

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:		NSAR-B
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-06623
		FILM NUMBER:		17876363

	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>NSAR-B
<SEQUENCE>1
<FILENAME>nxc0317answer.fil
<TEXT>
Document 1 - file: nxc0317answer.fil

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77B ACCT LTTR
<SEQUENCE>2
<FILENAME>kpmg77b0317.txt
<TEXT>
Document 2 - file: kpmg77b0317.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77D POLICIES
<SEQUENCE>3
<FILENAME>nxc77d0317.txt
<TEXT>
Document 3 - file: nxc77d0317.txt

</DOCUMENT>
</SEC-DOCUMENT>