Contra Costa County, California Online Historical Directories

Expand your research by checking out the California Online Historical Newspapers here.


Links to directories at Ancestry are to the images themselves, which are browsable. Non-subscribers will not be able to view these. Non-subscribers can, however, use the search engine and see a listing of possible results (but no images or further details). To search by name, directory, year, or keyword, go to Ancestry's U.S. City Directories search engine. For more information on how to access subscription websites, read Number 5 on my FAQs page.

California Voter Registers, 1866-1898 - $ (Ancestry)

California State Government and Court Directory, unknown, 1898 - $ (Ancestry)

California Voter Registrations, 1900-1968 - $ (Ancestry)
Richmond City and Contra Costa County Directories, Polk, 1914-5 - Free (Don's List)

Richmond City and Contra Costa County Directories, Polk, 1914-5 - Free (Internet Archive)

 - includes Brentwood and Port Chicago


 - includes Martinez

 - includes El Cerrito and Martinez

 - includes El Cerrito





Richmond City Directory, Polk, 1950 - $ (Ancestry)

Antioch and Pittsburg City Directories, Polk, 1952-3
- $ (Ancestry)
 - includes Brentwood and Port Chicago

Antioch and Pittsburg City Directories, Polk, 1954
- $ (Ancestry)
 - includes Brentwood and Port Chicago



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