NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors
Plumbers in Alta Loma, CA
18 licensed plumbers · every license checked against the issuer's file
More cities in California
81Rancho Cucamonga, CA · (909) 578-5608
CA-CSLB 842826 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
Upland, CA · (909) 437-7869
CA-CSLB 892834 · B C36General contractorPlumber
License activechecked Oct 24, 2026
Upland, CA · (909) 917-7946
CA-CSLB 902042 · B C36General contractorPlumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 466-4600
CA-CSLB 853493 · B C20 +1General contractorHeating and air conditioningPlumber
License activechecked Oct 24, 2026
Upland, CA · (909) 989-1980
CA-CSLB 689936 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
Upland, CA · (909) 624-4509
CA-CSLB 981297 · C36Plumber
License activechecked Oct 24, 2026
Upland, CA · (909) 824-4417
CA-CSLB 1082000 · C36Plumber
License activechecked Oct 24, 2026
Upland, CA · (909) 767-9652
CA-CSLB 1092145 · C36Plumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 957-8470
CA-CSLB 1054041 · C36Plumber
License activechecked Oct 24, 2026
Upland, CA · (909) 938-2039
CA-CSLB 1088019 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (909) 758-1516
CA-CSLB 968088 · C36Plumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 717-2245
CA-CSLB 1104355 · C36Plumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 373-5014
CA-CSLB 1155568 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
Ontario, CA · (909) 828-1512
CA-CSLB 1115619 · A C36 +1General engineering contractorPlumberSteel and welding contractor
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 917-4321
CA-CSLB 1102363 · C36Plumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (714) 272-4004
CA-CSLB 1143630 · C10 C20 +1ElectricianHeating and air conditioningPlumber
License activechecked Oct 24, 2026
Upland, CA · (888) 900-1970
CA-CSLB 961138 · C36 D42PlumberSign contractor
License activechecked Oct 24, 2026
Upland, CA · (909) 949-0998
CA-CSLB 980963 · C36Plumber
License activechecked Oct 24, 2026
Upland, CA · (909) 985-5254
CA-CSLB 960861 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
Upland, CA · (909) 985-5254
CA-CSLB 744873 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026