Contra Costa County CA Genealogy

USA (1,379,301) > California (35,655) > Contra Costa County (688)


Contra Costa County Records by City/Town

Antioch Genealogy (85)
Black Diamond Genealogy (33)
Brentwood Genealogy (46)
Byron Genealogy (31)
Concord Genealogy (90)
Crockett Genealogy (41)
Danville Genealogy (45)
El Cerrito Genealogy (42)
El Sobrante Genealogy (31)
Lafayette Genealogy (44)


Martinez Genealogy (85)
Moraga Genealogy (35)
Orinda Genealogy (37)
Pinole Genealogy (34)
Pittsburg Genealogy (55)
Pleasant Hill Genealogy (43)
Richmond Genealogy (140)
San Pablo Genealogy (37)
San Ramon Genealogy (31)
Walnut Creek Genealogy (70)


Overview of Contra Costa County Records

  • Contra Costa County was created in 1850.
  • Copies of birth, marriage, and death records for 1905 and later can be obtained from the California Department of Public Health.
  • The Contra Costa County Recorder has birth and death records starting in 1850.
  • The Contra Costa County Clerk has marriage, probate, divorce, and court records starting in 1850.
  • Online indexes and images of some of the above records can be found by using the links on this site.