Contra Costa, California
County Seat: Martinez · Population: 1,165,927
Find contact information for Contra Costa government offices in California. The county seat is Martinez. Below you'll find phone numbers, addresses, and websites for the assessor, treasurer, recorder, clerk, and other county departments.
Assessor
, Martinez, CA 94553
County Clerk
, Martinez, CA 94553
Recorder
, Martinez, CA 94553
Treasurer-Tax Collector
, Martinez, CA 94553
California DMV
Frequently Asked Questions
How do I contact the Contra Costa Assessor?
The Contra Costa Assessor's office handles property valuations and assessments. Find their phone number and address in the Property Records section above.
Where do I pay property taxes in Contra Costa?
Property tax payments are typically handled by the Contra Costa Treasurer's office. Check the Property Records section for contact information and online payment options.
How do I get a copy of a deed in Contra Costa?
Property deeds and records are maintained by the Contra Costa Recorder or Clerk's office. You can usually request copies in person, by mail, or through their online portal.
What are the Contra Costa office hours?
Office hours vary by department. Check the specific office listing above for hours, or call ahead to confirm. Many offices are closed on weekends and holidays.
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