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Licensed Well & Septic Pros in California

1,576 licensed well & septic pros in California, sourced from official state licensing records. Browse by city or request free quotes.

Well & Septic Pros aggregates official state licensing rosters for water-well and septic (onsite wastewater) professionals into one searchable directory, refreshed regularly.

Browse California by city

Bakersfield 31 Oakland 29 San Jose 25 Fresno 21 Riverside 19 Sacramento 19 Madera 18 Santa Rosa 17 Chico 16 Los Angeles 15 Hayward 13 Salinas 13 Paso Robles 11 Sylmar 11 Apple Valley 10 Napa 10 Orange 10 Petaluma 10 San Bernardino 10 San Francisco 10 Visalia 10 Yuba City 10 Auburn 9 Hemet 9 Ontario 9 San Diego 9 Santa Maria 9 Simi Valley 9 Woodland 9 Long Beach 8 Murrieta 8 Ramona 8 Richmond 8 San Leandro 8 Tulare 8 Valley Center 8 Anaheim 7 Camarillo 7 Clovis 7 Corona 7 Escondido 7 Modesto 7 Oroville 7 Santa Barbara 7 Santa Cruz 7 Temecula 7 Torrance 7 Wildomar 7 Yucca Valley 7 Burbank 6 Castro Valley 6 Chowchilla 6 Concord 6 Lemoore 6 Los Gatos 6 Lucerne Valley 6 Norco 6 Redding 6 Selma 6 Stockton 6 Susanville 6 Tehachapi 6 Whittier 6 Antioch 5 Berkeley 5 Chino 5 Cotati 5 Cypress 5 Exeter 5 Fairfield 5 Forestville 5 Frazier Park 5 Grass Valley 5 Hanford 5 Huntington Beach 5 Irvine 5 La Mesa 5 Lancaster 5 Oakdale 5 Oakhurst 5 Orland 5 Oxnard 5 Pasadena 5 Perris 5 Phelan 5 Pleasanton 5 Porterville 5 Redlands 5 Rocklin 5 San Clemente 5 San Lorenzo 5 Santa Ana 5 Sonora 5 Templeton 5 Wilton 5 Yucaipa 5 Anza 4 Aptos 4 Atwater 4 Big Bear Lake 4 Cathedral City 4 Coarsegold 4 Danville 4 El Sobrante 4 Escalon 4 Fontana 4 Fort Bragg 4 Galt 4 Granite Bay 4 Hollister 4 Indio 4 Los Osos 4 Mariposa 4 Martinez 4 Milpitas 4 Mission Hills 4 Plymouth 4 Poway 4 San Jacinto 4 San Rafael 4 Santa Clara 4 Shingle Springs 4 Signal Hill 4 Sun Valley 4 Tracy 4 Turlock 4 Watsonville 4 West Sacramento 4 Wrightwood 4 Yreka 4 Acton 3 Alameda 3 Alpine 3 Alturas 3 Arroyo Grande 3 Atascadero 3 Azusa 3 Baldwin Park 3 Campbell 3 Campo 3 Carmel 3 Chatsworth 3 Coachella 3 Colton 3 Corning 3 Culver City 3 Denair 3 Diamond Bar 3 Dixon 3 Elverta 3 Folsom 3 Fremont 3 Glendale 3 Granada Hills 3 Grover Beach 3 Gualala 3 Idyllwild 3 Janesville 3 Kelseyville 3 La Quinta 3 Lake Elsinore 3 Littlerock 3 Marina Del Rey 3 Marysville 3 Mc Kinleyville 3 Morgan Hill 3 North Hollywood 3 Northridge 3 Orcutt 3 Palm Desert 3 Paradise 3 Rancho Cordova 3 Reedley 3 Ridgecrest 3 Rio Vista 3 Riverbank 3 San Luis Obispo 3 San Martin 3 San Ramon 3 Santa Fe Springs 3 Santa Ynez 3 Scotts Valley 3 Ukiah 3 Union City 3 Upland 3 Vacaville 3 Vallejo 3 Ventura 3 Alhambra 2 American Canyon 2 Anderson 2 Arcadia 2 Barstow 2 Beaumont 2 Bellflower 2 Beverly Hills 2 Bishop 2 Blythe 2 Brentwood 2 Buellton 2

Permits & official California resources

Do I need a permit for well or septic work in California? ›

Where this California data comes from

California Contractors State License Board (CSLB) · official source