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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.

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Secured property tax information for 2018-19 and 2019-20 are available for viewing on this website. Please use the quick link View or Pay Property Taxes

Secured Tax Bills

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.

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  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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