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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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.

ADA Coordinator

          (925) 608-9588


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  1. FY2022-2023 Property Tax Postponement Applications Now Available Online

    September 7, 2022, State Controller Betty T. Yee announced that applications for the Property Tax Postponement Program for the 2022-23 tax year are now available. Read more...
  2. 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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