NAICS 237110 · Water and Sewer Line and Related Structures Construction
Well drilling contractors in Napa, CA
5 licensed well drilling contractors · every license checked against the issuer's file
More cities in California
21Santa Rosa, CA · (707) 484-1506
CA-CSLB 780357 · A B +1General engineering contractorGeneral contractorWell drilling contractor
License activechecked Oct 24, 2026
22Orinda, CA · (925) 254-8733
CA-CSLB 621402 · A C21 +3General engineering contractorExcavation, grading and pavingLandscaper+2
License activechecked Oct 24, 2026
23Pleasant Hill, CA · (707) 322-3507
CA-CSLB 1062689 · A C57 +1General engineering contractorWell drilling contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
24Fulton, CA · (707) 303-5984
CA-CSLB 891725 · C57Well drilling contractor
License activechecked Oct 24, 2026
25Pittsburg, CA · (925) 432-4282
CA-CSLB 510952 · C57 D21Well drilling contractorSpecialty contractor
License activechecked Oct 24, 2026
26Petaluma, CA · (707) 762-4028
CA-CSLB 242168 · C10 C38 +1ElectricianHeating and air conditioningWell drilling contractor
License activechecked Oct 24, 2026
27Santa Rosa, CA · (707) 778-8316
CA-CSLB 539855 · A C57General engineering contractorWell drilling contractor
License activechecked Oct 24, 2026
28Santa Rosa, CA · (707) 823-4102
CA-CSLB 985445 · C55 C57 +1PlumberWell drilling contractorSpecialty contractor
License activechecked Oct 24, 2026
29Santa Rosa, CA · (707) 545-0246
CA-CSLB 261084 · A C55 +2General engineering contractorPlumberWell drilling contractor+1
License activechecked Oct 24, 2026
30Santa Rosa, CA · (707) 584-9191
CA-CSLB 1033562 · A C10 +4General engineering contractorElectricianFire sprinkler contractor+2
License activechecked Oct 24, 2026
31Santa Rosa, CA · (707) 280-4958
CA-CSLB 1122070 · C57Well drilling contractor
License activechecked Oct 24, 2026
32Santa Rosa, CA · (707) 228-7981
CA-CSLB 1048719 · A C57 +1General engineering contractorWell drilling contractor
License activechecked Oct 24, 2026
33Kensington, CA · (510) 526-5849
CA-CSLB 1069275 · A B +1General engineering contractorGeneral contractorWell drilling contractor
License activechecked Oct 24, 2026
34Sebastopol, CA · (707) 823-3184
CA-CSLB 177681 · C36 C57 +1PlumberWell drilling contractorSpecialty contractor
License activechecked Oct 24, 2026
35Berkeley, CA · (510) 450-6165
CA-CSLB 606481 · A C57 +1General engineering contractorWell drilling contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026