<SEC-DOCUMENT>0001193125-24-060608-index.html : 20240306
<SEC-HEADER>0001193125-24-060608.hdr.sgml : 20240306
<ACCEPTANCE-DATETIME>20240306150858
ACCESSION NUMBER:		0001193125-24-060608
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20240306
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20240306
DATE AS OF CHANGE:		20240306

FILER:

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

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-06623
		FILM NUMBER:		24725477

	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>8-K
<SEQUENCE>1
<FILENAME>d769438d8k.htm
<DESCRIPTION>NUVEEN CALIFORNIA SELECT TAX-FREE INCOME PORTFOLIO
<TEXT>
Document 1 - file: d769438d8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31
<SEQUENCE>2
<FILENAME>d769438dex31.htm
<DESCRIPTION>EX-31
<TEXT>
Document 2 - file: d769438dex31.htm

</DOCUMENT>
</SEC-DOCUMENT>