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

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  1. 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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