Contra Costa County Genealogy Records Search
Search genealogy records records in Contra Costa County, California, including record offices, contact details, and available online resources.
Available Records
- View Contra Costa County Clerk-Recorder marriage website for general information including instructions, license fees and links to other services.
- View Contra Costa County Clerk's Office birth and death certificates requirements, including fees and frequently asked questions.
- Contra Costa County Library Genealogy RecordsView Contra County Library genealogy and history information.
- view the Contra Costa County Naturalization Records including original documents.
- Genealogy ResearchView information about requesting genealogy research from the Contra Costa County Library as well as links to local genealogical and historical resources.
- View Contra Costa Historical Society's index of naturalization records from 1850 to the 1980s. The names are organized alphabetically. Photocopies of the naturalization documents can be purchased for a fee.
- View San Ramon City Clerk marriage license and civil ceremony general information including contact information and fees.