California Property Tax Due Date 2024. On the secured tax roll, the first installment is due november 1 and delinquent on december 10, and the second installment is due on february 1 and delinquent on april 10. Annual mailing of assessment notices to all alameda county real property owners stating the taxable value of the property.

Taxes are collected on behalf of the county, incorporated cities. If any of these payment or filing deadlines fall on a weekend or holiday, the due date is the first.