NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors
Plumbers in Rancho Cucamonga, CA
67 licensed plumbers · every license checked against the issuer's file
More cities in California
121Upland, CA · (626) 364-2684
CA-CSLB 1160271 · C36Plumber
License activechecked Oct 24, 2026
Fontana, CA · (909) 641-1947
CA-CSLB 895784 · B C36General contractorPlumber
License activechecked Oct 24, 2026
Ontario, CA · (909) 319-3367
CA-CSLB 508994 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (909) 917-9707
CA-CSLB 764181 · C36Plumber
License activechecked Oct 24, 2026
Fontana, CA · (909) 559-3896
CA-CSLB 700569 · C36Plumber
License activechecked Oct 24, 2026
Fontana, CA · (562) 946-1942
CA-CSLB 549085 · A C4General engineering contractorPlumber
License activechecked Oct 24, 2026
Fontana, CA · (840) 239-0170
CA-CSLB 1124074 · C36Plumber
License activechecked Oct 24, 2026
Upland, CA · (909) 949-8234
CA-CSLB 627922 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (626) 827-2720
CA-CSLB 817808 · C36Plumber
License activechecked Oct 24, 2026
Upland, CA · (951) 965-4634
CA-CSLB 1160800 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
Fontana, CA · (951) 900-8731
CA-CSLB 1097024 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
Claremont, CA · (626) 786-1387
CA-CSLB 359145 · C10 C27 +1ElectricianLandscaperPlumber
License activechecked Oct 24, 2026
Upland, CA · (909) 553-2807
CA-CSLB 903452 · B C36General contractorPlumber
License activechecked Oct 24, 2026
Ontario, CA · (213) 949-4202
CA-CSLB 1017796 · A C10 +3General engineering contractorElectricianHeating and air conditioning+2
License activechecked Oct 24, 2026
Upland, CA · (909) 980-1450
CA-CSLB 825954 · ASB C36Asbestos and hazardous materials abatementPlumber
License activechecked Oct 24, 2026
Fontana, CA · (626) 242-5559
CA-CSLB 1043803 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (909) 938-0332
CA-CSLB 1030564 · C36Plumber
License activechecked Oct 24, 2026
Claremont, CA · (626) 641-8414
CA-CSLB 1134587 · C36Plumber
License activechecked Oct 24, 2026
Upland, CA · (714) 465-8476
CA-CSLB 1162808 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (909) 743-3587
CA-CSLB 1083921 · C36Plumber
License activechecked Oct 24, 2026