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
41Rancho Cucamonga, CA · (626) 806-6077
CA-CSLB 1024067 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (909) 240-8028
CA-CSLB 632348 · B C36 +1General contractorPlumberTile contractor
License activechecked Oct 24, 2026
Upland, CA · (909) 949-8234
CA-CSLB 627922 · C36Plumber
License activechecked Oct 24, 2026
Upland, CA · (951) 965-4634
CA-CSLB 1160800 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 240-8018
CA-CSLB 983618 · A C36General engineering contractorPlumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 573-6646
CA-CSLB 698661 · C36Plumber
License activechecked Oct 24, 2026
Upland, CA · (909) 553-2807
CA-CSLB 903452 · B C36General contractorPlumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 201-1403
CA-CSLB 1111586 · C36Plumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 573-6442
CA-CSLB 1134970 · C36 D21PlumberSpecialty contractor
License activechecked Oct 24, 2026
Upland, CA · (909) 980-1450
CA-CSLB 825954 · ASB C36Asbestos and hazardous materials abatementPlumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 717-5994
CA-CSLB 1119147 · C36Plumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 768-3650
CA-CSLB 1091801 · C36 D34PlumberSpecialty contractor
License activechecked Oct 24, 2026
Ontario, CA · (909) 785-5075
CA-CSLB 587709 · B C10 +2General contractorElectricianHeating and air conditioning+1
License activechecked Oct 24, 2026
Upland, CA · (714) 465-8476
CA-CSLB 1162808 · C36Plumber
License activechecked Oct 24, 2026
Upland, CA · (909) 758-6675
CA-CSLB 869926 · 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
Upland, CA · (626) 966-5208
CA-CSLB 671069 · C55Plumber
License activechecked Oct 24, 2026
Upland, CA · (626) 848-9262
CA-CSLB 1052689 · C36Plumber
License activechecked Oct 24, 2026
Upland, CA · (909) 985-5660
CA-CSLB 1141254 · C36Plumber
License activechecked Oct 24, 2026
Upland, CA · (909) 592-2418
CA-CSLB 597489 · C36Plumber
License activechecked Oct 24, 2026