Important Dates

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01 Jan

Lien Date for All Taxable Property

January 1, 12:01 a.m.

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.
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15 Feb

Exemption Filing Date

February 15

This is the last day to timely file for most exemption claims.
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19 Feb

Agricultural Crop & Lease Questionnaire

February 19

Please have the Agricultural Crop & Lease Questionnaire form returned to the Assessor's office by February 19, 2024. 
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10 Apr

Secured Taxes Second Installment Delinquent Date

April 10

Last day to pay second installment of secured taxes without penalty.
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07 May

Last Day to Timely File a Business Property Statement without Penalty

May 7

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16 May

Filing period for Senior Citizens Tax Assistance

May 16 - August 31

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

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30 Jun

Completed Assessment Roll Delivered

June 30

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

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03 Jul

Informal Value Review Filing Period Begins

July 3 - September 15

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

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03 Jul

Filing Period for a Formal Appeal of Assessed Value Begins

July 3 - November 30

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.

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01 Aug

Unsecured Tax Bills are Mailed on or before August 1

On or before August 1

Unsecured tax bills reflect the lien date value.

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31 Aug

Unsecured Taxes Delinquent Date

August 31

Last day to pay unsecured taxes without penalty. If it falls on a weekend of holiday, the delinquent date is the next business day.  

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15 Sep

Informal Value Review Filing Period Ends

September 15

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

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01 Nov

Secured Tax Bills are Mailed on or before November 1

On or before November 1

They reflect the lien date value.

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30 Nov

Last Day to File a Formal Assessment Appeal

November 30

 

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10 Dec

Secured Taxes First Installment Delinquent Date

December 10

Last day to pay the first installment of secured taxes without penalty. If it falls on a weekend or legal holiday, the delinquent date is the next business day.
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11 Dec

Last Day to File an Exemption Claim for Homeowners and Veterans to receive 80% of the Exemption

December 11

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.

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11 Dec

Last Day to File an Exemption Claim for Disabled Veterans to receive 90% of the Exemption

December 11

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.