Contra Costa County Treasurer -Tax Collector

Russell Watts

Russell V. Watts

Treasurer-Tax Collector

Brice Bins, Chief Deputy

Finance Building

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


In response to the Order of the Health Officer of the County, our office is closed to the public until further notice. Staff will be available to answer calls April 6-10, from 9AM to 4PM. In the meantime, you may email us at

The 2nd installment of Secured property taxes is due no later than
Friday, April 10, 2020

We strongly urge you to pay your property taxes here online, but you may also pay by mail or through our automated phone system at (925) 957-5280.  If you need a receipt for proof of payment, a copy of your tax bill with the installment’s payment date is available in View Bill under Account Lookup. Thank you for your cooperation.

FAQ’s of COVID-19 Impact on April 10 Deadline

Click here for the latest information on County’s Health Order

Mailing Address

P.O. Box 631
Martinez, CA 94553

Walk-ins Hours

Monday through Friday

Call Center Hours

(925) 957-5280
April 6-10, 2020
9:00 AM - 4:00 PM

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