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
141Upland, CA · (909) 758-6675
CA-CSLB 869926 · C36Plumber
License activechecked Oct 24, 2026
Fontana, CA · (626) 393-8480
CA-CSLB 1162523 · C36Plumber
License activechecked Oct 24, 2026
Ontario, 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
Fontana, CA · (909) 709-8898
CA-CSLB 925192 · C36Plumber
License activechecked Oct 24, 2026
Rialto, CA · (909) 528-2540
CA-CSLB 980884 · C36Plumber
License activechecked Oct 24, 2026
Upland, CA · (626) 966-5208
CA-CSLB 671069 · C55Plumber
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
Upland, CA · (626) 848-9262
CA-CSLB 1052689 · C36Plumber
License activechecked Oct 24, 2026
Fontana, CA · (909) 996-2184
CA-CSLB 738195 · C36Plumber
License activechecked Oct 24, 2026
Fontana, CA · (909) 322-9236
CA-CSLB 895338 · C36Plumber
License activechecked Oct 24, 2026
Claremont, CA · (760) 646-0194
CA-CSLB 969269 · 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
Fontana, CA · (909) 749-3454
CA-CSLB 1126460 · C36Plumber
License activechecked Oct 24, 2026
Rialto, CA · (909) 341-3972
CA-CSLB 922432 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
Ontario, CA · (626) 386-9105
CA-CSLB 1146179 · C36Plumber
License activechecked Oct 24, 2026
Mira Loma, CA · (951) 790-6161
CA-CSLB 802473 · C36Plumber
License activechecked Oct 24, 2026
Upland, CA · (909) 982-2364
CA-CSLB 510978 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
Upland, CA · (479) 739-3977
CA-CSLB 1116523 · C36Plumber
License activechecked Oct 24, 2026