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Treasurer - Tax Collector

2020-21 Unsecured Tax Bill Information

2020-21 Unsecured Personal Property Taxes Due


Phonxay Keokham, San Joaquin County Treasurer-Tax Collector, has mailed personal property tax bills to 13,993 business, boat, and aircraft owners in San Joaquin County as of August 7, 2020. Owners of personal property in San Joaquin County such as a boat or aircraft or have leased or owned fixtures and equipment related to a business on January 1, 2020 must pay the tax. If you do not receive a tax bill by August 17, 2020, please call the Unsecured Section in the San Joaquin County Treasurer-Tax Collector’s Office at (209) 468-2133 or download a tax bill from Failure to receive a tax bill shall not relieve the lien of taxes, nor shall it prevent the imposition of penalties.

Unsecured taxes are due on the date billed. The date of delinquency is Wednesday, September 30, 2020. If the tax is not paid by 5:00 p.m., September 30, 2020, a ten percent (10%) penalty will apply. Delinquent unsecured property taxes are subject to additional penalties, fees, and collection enforcement if unpaid after 60 days.

Property taxes may be paid online or by phone. A convenience fee will be charged by the company supporting these services when paying online or by phone with a credit card or debit card. The convenience fee is in addition to the property taxes paid. For your convenience, e-check (electronic check) payments are accepted free of charge. To pay online, please go to To pay by phone, please call (866) 954-1829. 

Payments may be mailed to SJC TTC, P.O Box 2169, Stockton, CA 95201-2169. Mailed payments must be United States Postal Service postmarked by the delinquent date to avoid late penalties. Payments may also be made at the San Joaquin County Treasurer-Tax Collector’s Office located at 44 North San Joaquin Street, Suite 150, Stockton, CA, 95202. Our regular business hours are 8:30 a.m. to 4:30 p.m. Monday through Friday, excluding holidays. However, we will remain open until 5:00 p.m. on Wednesday, September 30, 2020.

Dated: August 7, 2020