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


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

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.

Facebook3 image Opens in new window

    Email our Office


  1. There are no alerts at this time.
  1. Opportunity to Serve on the Treasury Oversight Committee

    The Board of Supervisors is seeking to fill two (2) vacancies on the Committee with individuals that have knowledge and experience in public or private finance. The Committee meets four (4) times a year, for one hour each time. Read more...
  2. Notice of Current Property Taxes Due

    The 2019-2020 secured property tax bills will be mailed on or before November 1, 2019, to all property owners, at the addresses shown on the tax roll. Read more...
  3. Property Tax Postponement Applications Now Available

    Filing Period: October 1, 2019 – February 10, 2020. Approval on First-Come, First-Served Basis. Applications and additional program details can be found online or by calling (800) 952-5661. Read more...
View All

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