Cal. Gov't Code § 23012
The names of the counties of the State are:
| Alameda | Marin | San Luis Obispo |
| Alpine | Mariposa | San Mateo |
| Amador | Mendocino | Santa Barbara |
| Butte | Merced | Santa Clara |
| Calaveras | Modoc | Santa Cruz |
| Colusa | Mono | Shasta |
| Contra Costa | Monterey | Sierra |
| Del Norte | Napa | Siskiyou |
| El Dorado | Nevada | Solano |
| Fresno | Orange | Sonoma |
| Glenn | Placer | Stanislaus |
| Humboldt | Plumas | Sutter |
| Imperial | Riverside | Tehama |
| Inyo | Sacramento | Trinity |
| Kern | San Benito | Tulare |
| Kings | San Bernardino | Tuolumne |
| Lake | San Diego | Ventura |
| Lassen | San Francisco | Yolo |
| Los Angeles | San Joaquin | Yuba |
| Madera |