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Contra Costa County Public Records

About Contra Costa County

Contra Costa County is located in the San Francisco Bay Area and in 2008, the county’s population stood at around 1,029,703. The county seat is held in the city of Martinez and some of the adjacent counties include Sacramento, San Joaquin and San Francisco.

Visit the official county website

Contra Costa County Public Records Resources

Below is a list of links for those who require further information for births, deaths, marriage and crime.

Contra Costa County Court Records Search
Information on obtaining access to court files and records.

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Request Online

Contra Costa County Birth Records
Information and how to apply for of certified birth records.

Contra Costa County Death Records
Information and how to apply for of certified death records.

Contra Costa County Marriage Records
Information and how to apply for of certified marriage records.

Contra Costa County Fictitious Business Search

Contra Costa County Criminal Records
General information regarding access to criminal history details

Contra Costa County Registered Sex Offenders Information
A list of all registered Contra Costa County sex offenders living within a one-mile radius of the boundaries of unincorporated Contra Costa County

Other Useful Contact Information and Links for Contra Costa County

Contra Costa County Elections Department
555 Escobar Street
P.O. Box 271
Martinez CA, 94553
(925) 335 -7800

Contra Costa Chambers of Commerce

Contra Costa County Sheriff's Office
651 Pine Street
7th Floor
Martinez, CA 94553
(925) 335-1500

Contra Costa County Tax Collector Office
Finance Building, Ste 100
625 Court Street
Martinez, CA 94553
(925) 957-5280
(877) 957-5280
Fax (925) 957-2898

Contra Costa County Assessor Office
2530 Arnold Drive
Suite 100
Martinez, CA 94553-4359
Ph: (925) 313-7400
Fax: (925) 313-7488

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