California Well Drillers by County
Browse all 58 California counties to find licensed C-57 well drilling contractors in your area. County pages include local permit information, geology conditions, and verified contractor listings.
590 contractors with confirmed county coverage across 56 counties.
Bay Area
Alameda County
Oakland · Pop. 1,682,353
12 verified contractors
Contra Costa County
Martinez · Pop. 1,165,927
7 verified contractors
Marin County
San Rafael · Pop. 262,321
11 verified contractors
Napa County
Napa · Pop. 137,744
10 verified contractors
San Francisco County
San Francisco · Pop. 873,965
3 verified contractors
San Mateo County
Redwood City · Pop. 764,442
9 verified contractors
Santa Clara County
San Jose · Pop. 1,936,259
11 verified contractors
Solano County
Fairfield · Pop. 453,491
11 verified contractors
Sonoma County
Santa Rosa · Pop. 488,863
13 verified contractors
Central Coast
Monterey County
Salinas · Pop. 439,035
13 verified contractors
San Benito County
Hollister · Pop. 66,677
7 verified contractors
San Luis Obispo County
San Luis Obispo · Pop. 282,424
15 verified contractors
Santa Barbara County
Santa Barbara · Pop. 448,229
14 verified contractors
Santa Cruz County
Santa Cruz · Pop. 270,861
11 verified contractors
Ventura County
Ventura · Pop. 843,843
14 verified contractors
Central Valley
Fresno County
Fresno · Pop. 1,008,654
27 verified contractors
Kern County
Bakersfield · Pop. 909,235
28 verified contractors
Kings County
Hanford · Pop. 152,940
18 verified contractors
Madera County
Madera · Pop. 157,327
22 verified contractors
Merced County
Merced · Pop. 281,202
11 verified contractors
San Joaquin County
Stockton · Pop. 779,233
9 verified contractors
Stanislaus County
Modesto · Pop. 552,878
11 verified contractors
Tulare County
Visalia · Pop. 473,117
22 verified contractors
Inland Empire
North Coast
Northern California
Butte County
Oroville · Pop. 211,632
16 verified contractors
Colusa County
Colusa · Pop. 21,547
5 verified contractors
Glenn County
Willows · Pop. 28,917
5 verified contractors
Lassen County
Susanville · Pop. 30,573
4 verified contractors
Modoc County
Alturas · Pop. 8,841
3 verified contractors
Plumas County
Quincy · Pop. 19,790
2 verified contractors
Shasta County
Redding · Pop. 180,080
10 verified contractors
Siskiyou County
Yreka · Pop. 44,076
5 verified contractors
Tehama County
Red Bluff · Pop. 65,084
10 verified contractors
Trinity County
Weaverville · Pop. 16,112
5 verified contractors
Sacramento Valley
El Dorado County
Placerville · Pop. 191,185
5 verified contractors
Nevada County
Nevada City · Pop. 102,241
6 verified contractors
Placer County
Auburn · Pop. 404,739
15 verified contractors
Sacramento County
Sacramento · Pop. 1,585,055
20 verified contractors
Sutter County
Yuba City · Pop. 99,633
11 verified contractors
Yolo County
Woodland · Pop. 220,500
10 verified contractors
Yuba County
Marysville · Pop. 81,575
8 verified contractors
Sierra Nevada
Alpine County
Markleeville · Pop. 1,204
Amador County
Jackson · Pop. 40,474
4 verified contractors
Calaveras County
San Andreas · Pop. 45,292
2 verified contractors
Inyo County
Independence · Pop. 19,016
1 verified contractor
Mariposa County
Mariposa · Pop. 17,131
9 verified contractors
Mono County
Bridgeport · Pop. 14,444
Sierra County
Downieville · Pop. 3,236
1 verified contractor
Tuolumne County
Sonora · Pop. 55,810
4 verified contractors