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Assessor's Office

Property Value Assessment Inquiry: Disclaimer

Current and prior year property assessment information is available online. You may search by address, Assessor Parcel Number (APN), Assessor Account Number (AAN), CF/Boat Number, or FAA/Plane Number.

(You can check your most recent tax bill or correspondence from our office to get the account number for your business, watercraft, or aircraft).


This service has been provided to allow easy access to San Joaquin County Assessor information. A reasonable effort has been made to ensure the accuracy of the data provided; nevertheless, some information may be inaccurate. The County of San Joaquin assumes no responsibility arising from the use of this information. Any resale of this information is prohibited.