[1][2][3] These areas include San Lorenzo, Ashland, Cherryland,[4] Castro Valley, Fairview, the former communities of Russell City, Mount Eden, Schafer Park, and other parts of unincorporated Alameda County.
[9] HAHS operates the Meek Mansion and McConaghy House in partnership with the Hayward Area Recreation and Park District,[10] and the San Lorenzo Pioneer Cemetery with Alameda County.
[11][12] The society sponsors an annual History Awards, honoring local historians and preservationists.
[13] They have presented talks on local history in conjunction with California State University, East Bay.
[16] The Society is the future repository for the papers of local US Congressperson Pete Stark, in office for 40 years.