NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors
Plumbers in Castro Valley, CA
23 licensed plumbers · every license checked against the issuer's file
More cities in California
41Oakland, CA · (510) 220-9539
CA-CSLB 1069928 · C36Plumber
License activechecked Oct 24, 2026
Union City, CA · (408) 489-3220
CA-CSLB 1020492 · C55Plumber
License activechecked Oct 24, 2026
Oakland, CA · (510) 415-7982
CA-CSLB 1017769 · C4 C20 +1PlumberHeating and air conditioning
License activechecked Oct 24, 2026
San Leandro, CA · (510) 381-2800
CA-CSLB 1114703 · B C10 +1General contractorElectricianPlumber
License activechecked Oct 24, 2026
Oakland, CA · (510) 261-9202
CA-CSLB 565401 · C4 C20 +1PlumberHeating and air conditioning
License activechecked Oct 24, 2026
San Leandro, CA · (510) 261-3339
CA-CSLB 899622 · C36 C42PlumberExcavation, grading and paving
License activechecked Oct 24, 2026
Hayward, CA · (510) 397-2438
CA-CSLB 1048016 · C36Plumber
License activechecked Oct 24, 2026
Hayward, CA · (510) 314-1472
CA-CSLB 1119008 · C36Plumber
License activechecked Oct 24, 2026
San Ramon, CA · (510) 453-7667
CA-CSLB 972915 · C36Plumber
License activechecked Oct 24, 2026
Hayward, CA · (510) 537-4044
CA-CSLB 261195 · C36Plumber
License activechecked Oct 24, 2026
Hayward, CA · (510) 755-7437
CA-CSLB 1042922 · C36 C42PlumberExcavation, grading and paving
License activechecked Oct 24, 2026
Dublin, CA · (408) 707-5627
CA-CSLB 875897 · B C36General contractorPlumber
License activechecked Oct 24, 2026
San Leandro, CA · (925) 671-9200
CA-CSLB 256896 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
Oakland, CA · (510) 301-7068
CA-CSLB 1139293 · C36Plumber
License activechecked Oct 24, 2026
Oakland, CA · (510) 300-5794
CA-CSLB 1096724 · C36Plumber
License activechecked Oct 24, 2026
Oakland, CA · (800) 543-0382
CA-CSLB 1022608 · B C2 +3General contractorDrywall, plaster and insulationElectrician+2
License activechecked Oct 24, 2026
Oakland, CA · (510) 306-5806
CA-CSLB 1036981 · C36Plumber
License activechecked Oct 24, 2026
Oakland, CA · (415) 341-7278
CA-CSLB 1137502 · C36Plumber
License activechecked Oct 24, 2026
Oakland, CA · (510) 434-1124
CA-CSLB 743702 · C36Plumber
License activechecked Oct 24, 2026
San Ramon, CA · (925) 833-7110
CA-CSLB 994654 · B C36General contractorPlumber
License activechecked Oct 24, 2026