A Message from the 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 comments and suggestions. Please e-mail us at tax@sjgov.org and thank you for visiting our website!
Phonxay Keokham, CPA
Treasurer-Tax Collector
San Joaquin County

Treasury
Tax
Revenue & Recovery

Are You Behind on Property Tax Payments?
Up to $80,000 in property tax assistance is available to all eligible homeowners. Funds do not have to be paid back and there is no cost to apply.
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Important Dates
11 Dec
First Installment Delinquent Date
December 11, 2023
01 Jan
Lien Date for Property Taxes
January 1, 2024
Taxes are levied on both real and personal property based on its value as of 12:01 a.m. on January 1 preceding the tax year for which the taxes are levied.
01 Feb
Second Installment of Secured Taxes Due
February 1, 2024