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Treasurer - Tax Collector


The Treasurer-Tax Collector’s Office proudly serves the residents and taxpayers of San Joaquin County. Our mission is to ensure the safekeeping of public funds while maintaining liquidity and maximizing earnings in a conservative and prudent matter. We strive to provide the highest level of service in a professional, courteous, and efficient manner as we collect taxes and revenues critical to local government operations that benefit San Joaquin County and its citizens.

In an effort to better serve you, we welcome your feedback. Please e-mail us your comments and suggestions and thank you for visiting our website!


Secured property taxes for 2019-2020 are now available for viewing on this website and by phone. Please use the quick link View or Pay Property Taxes or call (866) 954-1829. 

Secured Tax Bills (10-3-19)

2019-20 Secured Tax Bill Sample

2019-20 Secured Tax Informational Copy Sample

Unsecured Tax Bills (7-26-19)

Notice of Property Tax Delinquency, Impending Default, and Impending Power to Sell

Payments Online and by Phone

Please use the quick link View or Pay Property Taxes or call (866) 954-1829. 


Payments by Mail

Property tax payments must be received or postmarked by the United States Postal Service (USPS) by the delinquent date. Taxpayers who send their payments by mail should be aware that the USPS only postmarks certain mail depending on the type of postage used. Payments should be mailed to:


P.O. Box 2169

Stockton, CA, 95201-2169.

Payments in the Office

Property tax payments can be made in our office at 44 N. San Joaquin Street, Suite 150, Stockton, CA.

On June 24, 2019, enhanced security measures went  into place at the Administration Building. The security measures include an X-ray inspection system and walk-through metal detectors for all staff and visitors entering the Administration Building. Due to security screenings taxpayers should plan for additional time, especially on delinquent dates.

San Joaquin County Logo Small
  Phonxay Keokham, CPA
  Treasurer-Tax Collector
Contact Us

Treasurer-Tax Collector
44 North San Joaquin Street
First Floor, Suite 150
Stockton, CA 95202
Phone: (209) 468-2133
Fax: (209) 468-2158

Mailing Address

Treasurer-Tax Collector's Office
P.O. Box 2169
Stockton, CA 95201-2169

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