FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Lancellotta Amy B.R.		 2. Date of Event Requiring Statement (MM/DD/YYYY)
6/2/2021 

 3. Issuer Name and Ticker or Trading Symbol

NUVEEN CALIFORNIA SELECT TAX FREE INCOME PORTFOLIO [NXC]
(Last)        (First)        (Middle)

333 W. WACKER DRIVE, SUITE 2900		 4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                          _____ 10% Owner
_____ Officer (give title below)        ___X___ Other (specify below)
/ Trustee
(Street)

CHICAGO, IL 60606      

(City)              (State)              (Zip)
5. If Amendment, Date Original Filed(MM/DD/YYYY)
 

6. Individual or Joint/Group Filing(Check Applicable Line)

_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		2. Amount of Securities Beneficially Owned
(Instr. 4)		3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)		2. Date Exercisable and Expiration Date
(MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		4. Conversion or Exercise Price of Derivative Security5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:

Remarks:
lancellottapoa.txt
No securities are beneficially owned.
Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Lancellotta Amy B.R.
333 W. WACKER DRIVE
SUITE 2900
CHICAGO, IL 60606


Trustee
Signatures
Mark L. Winget/Signed Under POA7/7/2021
**Signature of Reporting PersonDate
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