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California Counties by Regional Consultation Office

Region 1. San Francisco Bay Area

  • Alameda
  • Contra Costa
  • Lake
  • Marin
  • Mendocino
  • Napa
  • San Francisco
  • San Mateo
  • Santa Clara
  • Santa Cruz
  • Sonoma

Region 2. Northern California

  • Alpine
  • Amador
  • Butte
  • Calaveras
  • Colusa
  • Del Norte
  • El Dorado
  • Glenn
  • Humboldt
  • Lassen
  • Modoc
  • Nevada
  • Placer
  • Plumas
  • Sacramento
  • San Joaquin
  • Shasta
  • Sierra
  • Siskiyou
  • Solano
  • Sutter
  • Tahama
  • Trinity
  • Yolo
  • Yuba

Region 3. Central Valley

  • Fresno
  • Kern
  • Kings
  • Madera
  • Mariposa
  • Merced
  • Mono
  • Monterey
  • San Benito
  • San Luis Obispo
  • Stanislaus
  • Tulare
  • Tuolumne

Region 4. San Fernando Valley

  • Santa Barbara
  • Ventura
  • West Los Angeles County

Region 5. Los Angeles, Orange

  • East Los Angeles County
  • Orange County

Region 6. San Bernardino

  • Inyo
  • Riverside
  • San Bernardino

Region 7. San Diego

  • Imperial
  • San Diego