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
21Castro Valley, CA · (510) 962-1227
CA-CSLB 987574 · B C36General contractorPlumber
License activechecked Oct 24, 2026
Castro Valley, CA · (510) 559-3925
CA-CSLB 1158954 · C36Plumber
License activechecked Oct 24, 2026
San Leandro, CA · (510) 581-0607
CA-CSLB 962989 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
Hayward, CA · (888) 664-2436
CA-CSLB 914864 · A B +2General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 24, 2026
Hayward, CA · (415) 410-7831
CA-CSLB 1077314 · A B +1General engineering contractorGeneral contractorPlumber
License activechecked Oct 24, 2026
Hayward, CA · (510) 909-1431
CA-CSLB 1096031 · B C36General contractorPlumber
License activechecked Oct 24, 2026
Hayward, CA · (510) 952-9570
CA-CSLB 1106929 · C36Plumber
License activechecked Oct 24, 2026
Hayward, CA · (408) 694-3472
CA-CSLB 1147034 · B C10 +2General contractorElectricianPainter+1
License activechecked Oct 24, 2026
San Leandro, CA · (510) 710-3872
CA-CSLB 1140211 · C36Plumber
License activechecked Oct 24, 2026
Hayward, CA · (650) 455-1255
CA-CSLB 908251 · B C36General contractorPlumber
License activechecked Oct 24, 2026
Hayward, CA · (510) 909-0023
CA-CSLB 778156 · B C6 +2General contractorCarpenterElectrician+1
License activechecked Oct 24, 2026
San Leandro, CA · (510) 931-8177
CA-CSLB 988161 · B C10 +3General contractorElectricianFire sprinkler contractor+2
License activechecked Oct 24, 2026
San Leandro, CA · (510) 415-0725
CA-CSLB 1018923 · C36Plumber
License activechecked Oct 24, 2026
Hayward, CA · (510) 878-0641
CA-CSLB 1153260 · C36Plumber
License activechecked Oct 24, 2026
San Lorenzo, CA · (408) 268-7653
CA-CSLB 857147 · B C10 +2General contractorElectricianHeating and air conditioning+1
License activechecked Oct 24, 2026
Hayward, CA · (925) 628-0055
CA-CSLB 1012685 · C36Plumber
License activechecked Oct 24, 2026
Hayward, CA · (650) 303-7528
CA-CSLB 1162646 · C36Plumber
License activechecked Oct 24, 2026
San Leandro, CA · (510) 499-9263
CA-CSLB 1145757 · C36Plumber
License activechecked Oct 24, 2026
Hayward, CA · (510) 730-5736
CA-CSLB 1145865 · C36Plumber
License activechecked Oct 24, 2026
San Lorenzo, CA · (510) 715-2303
CA-CSLB 1152722 · C36Plumber
License activechecked Oct 24, 2026