Contra Costa County, California Genealogy

United States &gt; California &gt; Contra Costa County

County Courthouse
Martinez

Quick Facts
Contra Costa County began in 1850 as one of the original counties in the new state of California. Located in the East Bay area, San Pablo Bay and Suisun Bay partially surround the land area of the county and have contributed to the economy since the gold rush.

Parent County
18 February 1850: Contra Costa County was created as an original county. County seat: Martinez

Populated Places
Antioch Brentwood Clayton Concord Danville El Cerrito Hercules Lafayette Martinez  Moraga Oakley  Orinda Pinole  Pittsburg  Pleasant Hill Richmond San Pablo  San Ramon Walnut Creek

Neighboring Counties

 * Alameda
 * Sacramento
 * San Joaquin
 * Solano

Cemeteries

 * Oakmont Memorial Park, Lafayette BillionGraves
 * Rolling Hills Memorial Park, El Sobrante BillionGraves

Vital Records
Contra Costa County maintains records of death certificates from 1905 to present. You can obtain an informational copy for a fee by mailing the Application for Death Record from the county clerk's website with your payment. As with other counties, you only need to get the form notarized if you want a certified copy. Informational copies do not need a notary.

Family History Centers

 * Introduction to LDS Family History Centers
 * Antioch California Family History Center (Brentwood)
 * Concord California Family History Center
 * Danville California Family History Center

Web Sites

 * Contra Costa County CAGenWeb
 * Linkpendium
 * USGenWeb Archives
 * USGenWeb Archives backup site

A wiki article describing this collection is found at:


 * California, Genealogical Collections at the California Genealogical Society (FamilySearch Historical Records)