December 10, 2022
625 Court St Room 100
Martinez, CA 94553
1st Installment Secured Property Taxes Delinquent
Saturday, December 10, 2022
The delinquent date for 1st Installment Secured Property Taxes is December 10. Payments received after this date will be considered late and a 10% penalty will apply. We honor USPS postmarks for mail-in payments.
Office hours for walk-ins are 8:00 AM to 5:00 PM. Call Center hours are 9:00 AM to 4:00 PM. Online services are available for Look Up and Pay
taxes until 11:59 PM of the delinquent date, December 10th.