Contra Costa County Treasurer -Tax Collector

Russell Watts

Russell V. Watts

Treasurer-Tax Collector

Belinda Zhu
Assistant Treasurer

Lulis Lopez
Assistant Tax Collector

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Group Photo in Front of Court House


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Finance Building

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

Mailing Address

P.O. Box 631
Martinez, CA 94553

Walk-in Hours

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

Call Center Hours

(925) 608-9500
Monday through Friday
9 a.m. to 4 p.m.

Public Response Form


  1. There are no alerts at this time.
  1. Proposed Disposition of Unclaimed Money

    Notice has been published in the Contra Costa Times on May 4 and 11, 2022. Please select "Read more" for additional information regarding the claim process. Read more...
  2. Coming Soon: NEW California Property Tax Assistance

    If you have faced a pandemic-related financial hardship, you may be eligible for help to catch up on your past-due property tax payments. Funds received never have to be paid back, and there is no cost to apply. Check eligibility at Read more...
  3. NEW: E-Check Validation for Online Payments

    E-check payments will now be subject to bank account and routing number validation. If your payment is rejected as invalid, please contact your bank immediately. You must wait 24 hours before trying to pay from same account. Read more...
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