Contra Costa County Treasurer -Tax Collector

Russell Watts

Russell V. Watts

Treasurer-Tax Collector

Belinda Zhu
Assistant Treasurer

Lulis Lopez
Assistant Tax Collector

Email our Office

Group Photo in Front of Court House


Thank you for visiting our website.  We hope you find our online services helpful.
Please choose from the following services you are interested in:

Finance Building

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

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

(925) 957-5280
Monday through Friday
9 a.m. to 4 p.m.


  1. There are no alerts at this time.
  1. Executive Order Extended for COVID-Related Penalty Cancellation

    The Governor of California extends Executive Order N-61-20 until June 30, 2021. Taxpayers who have not been able to pay their property taxes timely for reasons related to COVID-19 have until June 30, 2021 to submit a request for penalty cancellation. Read more...
  2. 2020 Notices of Impending Default and Power-to-Sell

    The 2020 Notices of Property Tax Delinquency and Impending Default, and Power to Sell now available online. Read more...
View All

Comments or Suggestions?
​Please let us know by using our on-line response form.