Contra Costa County Treasurer -Tax Collector

Russell Watts

Russell V. Watts

Treasurer-Tax Collector
Phone: (925) 957-5280

Finance Building

625 Court St., Ste 100
Martinez CA 94553
Driving Directions

Group Photo in Front of Court House


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Mailing Address

P.O. Box 631
Martinez, CA 94553

Walk-ins Hours

Monday through Friday
8 a.m. to 5 p.m.

Call Center Hours

Monday through Friday
9 a.m. to 4 p.m.

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  1. Property Tax Default List

    The properties listed below were declared to be in tax default by operation of law. The Declaration of Default was due to non-payment of property taxes, assessments and other charges levied in Fiscal Year 2015-2016 that were a lien on the property. Additional Info...
  2. Unsecured Taxes Due September 3rd

    Normally due August 31, but because this date falls on a holiday weekend, the due date has been extended to Tuesday, September 3rd. AVOID THE LINE. PAY ONLINE! Read more...
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