Research Resources (Contra Costa County)

Find more Contra Costa County records at California/Bay Area

Includes Genealogy and History Organizations

• Antioch Historical Museum (history)
• Clayton Historical Society and Museum (history)
• Concord Historical Society (history)
• Contra Costa County Historical Society (genealogy, history)
  • County Records
  • Court Records
  • Maps
  • Naturalization
  • Newspapers
  • Photographs
  • School Records
  • Special Collections
• Crockett Historical Society and Museum (history)
• East Contra Costa Historical Society (history)
• El Cerrito Historical Society (history)
• El Sobrante Historical Society History Center (history)
• Lafayette Historical Society (genealogy, history)
• Martinez Historical Society (history)
• Moraga Historical Society (history)
• Museum of The San Ramon Valley (history)
• Pittsburg Historical Museum (history)
• Point Richmond History Association (history)
• Richmond Museum of History & Culture (genealogy, history)
• Vallejo Naval & Historical Museum (history)
• Genealogy Society of Vallejo-Benicia (genealogy, history)
• Walnut Creek Historical Society (history)
• FamilySearch Centers
  • Antioch Family History Center (Brentwood) (genealogy)
  • Concord Family History Center (genealogy)
  • Danville Family History Center (Alamo) (genealogy)

(Resources without a physical location.)

• Contra Costa County Genealogical Society (genealogy)
• San Ramon Valley Genealogical Society (genealogy)

• Contra Costa County Assessor (general)
  
• Contra Costa County Coroner's Division (general)
  
• Contra Costa County Clerk-Recorder (general)
  
• Contra Costa County Superior Court (general)
  

• Oakland Diocese (Catholic)