NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors
Plumbers in Upland, CA
47 licensed plumbers · every license checked against the issuer's file
More cities in California
81Ontario, CA · (323) 378-0109
CA-CSLB 1080741 · B C10 +2General contractorElectricianFire sprinkler contractor+1
License activechecked Oct 24, 2026
Montclair, CA · (310) 968-5825
CA-CSLB 1044760 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (626) 347-3434
CA-CSLB 897876 · B C10 +2General contractorElectricianHeating and air conditioning+1
License activechecked Oct 24, 2026
Montclair, CA · (909) 982-5698
CA-CSLB 320990 · C10 C16 +2ElectricianFire sprinkler contractorHeating and air conditioning+1
License activechecked Oct 24, 2026
Alta Loma, CA · (909) 652-0901
CA-CSLB 837376 · C36Plumber
License activechecked Oct 24, 2026
Claremont, CA · (760) 646-0194
CA-CSLB 969269 · C36Plumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 463-8349
CA-CSLB 477410 · B C20 +1General contractorHeating and air conditioningPlumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 463-6697
CA-CSLB 990945 · B C36General contractorPlumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 980-6283
CA-CSLB 678352 · C36Plumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 942-1305
CA-CSLB 1025769 · B C15 +1General contractorFlooring contractorPlumber
License activechecked Oct 24, 2026
Claremont, CA · (909) 593-5997
CA-CSLB 442177 · C36Plumber
License activechecked Oct 24, 2026
Claremont, CA · (818) 739-9196
CA-CSLB 1100150 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
Alta Loma, CA · (909) 481-9488
CA-CSLB 633471 · A C36General engineering contractorPlumber
License activechecked Oct 24, 2026
Ontario, CA · (714) 904-6988
CA-CSLB 1005919 · C36Plumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 941-8963
CA-CSLB 833096 · C10 C20 +1ElectricianHeating and air conditioningPlumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (626) 513-9110
CA-CSLB 1104738 · C36Plumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (310) 678-7999
CA-CSLB 768995 · C36Plumber
License activechecked Oct 24, 2026
Montclair, CA · (866) 800-8872
CA-CSLB 1141771 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (909) 552-3915
CA-CSLB 1133446 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
Montclair, CA · (909) 260-4376
CA-CSLB 1001892 · B C36General contractorPlumber
License activechecked Oct 24, 2026