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
121Upland, CA · (213) 924-8408
CA-CSLB 1047004 · C36Plumber
License contr bond suspchecked Oct 24, 2026
Montclair, CA · (626) 786-4999
CA-CSLB 977502 · C36Plumber
License activechecked Oct 24, 2026
Claremont, CA · (626) 322-1538
CA-CSLB 1126081 · C36Plumber
License activechecked Oct 24, 2026
Fontana, CA · (909) 638-9446
CA-CSLB 1025084 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (909) 758-6237
CA-CSLB 1047486 · C36Plumber
License activechecked Oct 24, 2026
Fontana, CA · (909) 822-8000
CA-CSLB 640316 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
Fontana, CA · (909) 684-1915
CA-CSLB 1028149 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (626) 383-2431
CA-CSLB 1064810 · A C36General engineering contractorPlumber
License activechecked Oct 24, 2026
Pomona, CA · (909) 596-6856
CA-CSLB 418759 · B C4 +2General contractorPlumberElectrician+1
License activechecked Oct 24, 2026
Ontario, CA · (909) 628-6035
CA-CSLB 232930 · C4 C20 +1PlumberHeating and air conditioning
License activechecked Oct 24, 2026
Ontario, CA · (909) 375-1244
CA-CSLB 1103983 · C10 C20 +1ElectricianHeating and air conditioningPlumber
License activechecked Oct 24, 2026
Fontana, CA · (800) 930-2476
CA-CSLB 1119845 · C36Plumber
License activechecked Oct 24, 2026
Pomona, CA · (909) 392-8403
CA-CSLB 245042 · C16 C20 +1Fire sprinkler contractorHeating and air conditioningPlumber
License activechecked Oct 24, 2026
Ontario, CA · (626) 720-3009
CA-CSLB 977823 · C36Plumber
License activechecked Oct 24, 2026
LA Verne, CA · (888) 241-4735
CA-CSLB 1041244 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
Montclair, CA · (909) 267-0816
CA-CSLB 1135891 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (909) 947-2107
CA-CSLB 845651 · C36Plumber
License activechecked Oct 24, 2026
Montclair, CA · (909) 708-5037
CA-CSLB 1119395 · C36Plumber
License activechecked Oct 24, 2026
Fontana, CA · (909) 437-4740
CA-CSLB 878116 · B C10 +1General contractorElectricianPlumber
License activechecked Oct 24, 2026
LA Verne, CA · (909) 260-1135
CA-CSLB 1041378 · C36Plumber
License activechecked Oct 24, 2026