This is the date and time at which taxes become a lien on property and when property is valued for tax purposes. Property is assessed to the person or entity owning, claiming, possessing, or controlling it on January 1.

The filing period for Senior Citizens Tax Assistance is May 16 - August 31.

The San Joaquin County Assessor-Recorder-County Clerk delivers the completed assessment roll to the San Joaquin County Auditor-Controller.

The filing period (July 3 - September 15) for an informal review of your annual assessment begins.

The filing period, with the San Joaquin County Clerk of the Board of Supervisors, for a reduction in assessed value is July 3- November 30.

Note: These dates apply specifically to San Joaquin County. If you own property in another county, check with that county’s Assessor’s office for the filing period dates.

Unsecured tax bills reflect the lien date value.

The filing period (July 3- September 15) for an informal review of your annual assessment ends.

They reflect the lien date value.

Last Day to File an Exemption Claim for Homeowners and Veterans to receive 80% of the Exemption. If it falls on a weekend or legal holiday, the Last Day to File an Exemption date is the next business day.

Last Day to File an Exemption Claim for Disabled Veterans to receive 90% of the Exemption. If it falls on a weekend or legal holiday, the Last Day to File an Exemption date is the next business day.