Counties Information in the 3/14/2024 Version of the Database
| County Name | County Abbrev | County Desc | County Web Site |
| Alameda County | AL | Web site has no obvious link to a Parks and Rec. Dept. |  |
| Contra Costa County | CC | Web site has no obvious link to information on parks and recreation | |
| Marin County | MC | |
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| Monterey County | MO | |
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| Napa County | NA | Link is to recently-established Regional Park and Open Space District | |
| San Benito County | SB | |
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| San Francisco County | SFO | Includes City and County of San Francisco | |
| San Mateo County | SM | |
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| Santa Clara County | SC | |
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| Santa Cruz County | SCR | |
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| Solano County | SOL | |
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| Sonoma County | SON | |
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| Stanislaus County | ST | |