As one of the original 27 counties created by the California Legislature in 1850, Contra Costa County is nestled in the northern portion of the San Francisco Bay Area's East Bay region. The City of Martinez is the county seat.
Please email Contra Costa County Communications Director Kristi Jourdan at Kristi.Jourdan@contracostatv or call 925-313-1180 if you need assistance finding the right department or person.
Yes, Contra Costa, CA offers a great blend of suburban charm, urban convenience, and a high quality of life that makes it a great place to live, particularly if you enjoy a family-friendly or peaceful atmosphere.
Contra Costa County Zip Codes Zip CodeCityCounty 94553 Martinez Contra Costa County 94556 Moraga Contra Costa County 94561 Oakley Contra Costa County 94563 Orinda Contra Costa County58 more rows
Contra Costa County is broadly divided into three sub-areas: West County, including of the cities of El Cerrito, Richmond, San Pablo, Pinole, and Hercules, as well as the unincorporated communities of Kensington, El Sobrante, North Richmond, Rodeo, Crockett, and Port Costa.
Area codes 510 and 341 are telephone area codes in the North American Numbering Plan (NANP) serving much of the East Bay in the U.S. state of California. They cover parts of Contra Costa County and western Alameda County, including the city of Oakland, but excluding Dublin, Livermore, Pleasanton, and Sunol.
Contact Us 925-957-2200. TTY: 711. 925-646-2566 (Fax) To send the DA's Office an email, please email DAOffice@contracostada Note: Do not use this email address for Discovery Requests. All Discovery Requests should be faxed to the appropriate Unit. Office locations and maps click here.
Customer Service telephone operations are from AM to PM on weekdays, and from AM to PM on Saturday – (925) 676-7500.
Contra Costa County, California Contra Costa County FIPS code 06-013 GNIS feature ID 1675903 Congressional districts 8th, 9th, 10th Website contracosta.ca33 more rows