1 0 R e g i o n s
| Region | Counties Served |
| Bay Area Region | Alameda Contra Costa Marin San Francisco San Mateo Santa Clara |
| Central Valley Region | Fresno Kern Kings Madera Mariposa Merced Tulare |
| Gold Coast Region | San
Luis Obispo Santa Barbara Ventura |
| Gold Country Region | Alpine Amador Calaveras El Dorado Inyo Mono Placer Sacramento San Joaquin Solano Stanislaus Sutter Tuolumne Yolo |
| Great South Region | Riverside San Bernardino |
| Los Angeles Region | Los
Angeles Orange |
| North Central Coast Region | Monterey San Benito Santa Cruz |
| North Coast Region | Del
Norte Humboldt Lake Mendocino Napa Sonoma |
| Sierra Cascade Region | Butte Colusa Glenn Lassen Modoc Nevada Plumas Shasta Sierra Siskiyou Tehama Trinity Yuba |
| Southern Coast Region | Imperial San Diego |
