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The Contra Costa County Historical Society was established to preserve and protect the documents and records pertaining to the history and heritage of Contra Costa County, as well as provide access to them for research and educational purposes. The Contra Costa County Historical Society has a History Center that stands as an archive and treasure trove of pictures, photographs, letters, records and documents that tell the story of Contra Costa County's past. The Center is a working facility where such documents are available for research purposes and are preserved for future generations.

Contra Costa County Historical Society's History Center, 724 Escobar Street, Martinez, CA, Phone: 925-229-1042

Rating: ⭐⭐⭐⭐⭐

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