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
61Ontario, CA · (657) 286-8739
CA-CSLB 1136831 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (818) 423-9927
CA-CSLB 603170 · C36Plumber
License activechecked Oct 24, 2026
LA Verne, CA · (909) 392-2041
CA-CSLB 437190 · C36Plumber
License activechecked Oct 24, 2026
Fontana, CA · (909) 368-3258
CA-CSLB 1121472 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (840) 977-8909
CA-CSLB 1105933 · C36Plumber
License activechecked Oct 24, 2026
LA Verne, CA · (951) 201-2418
CA-CSLB 1082034 · C36Plumber
License activechecked Oct 24, 2026
Montclair, CA · (909) 621-2826
CA-CSLB 998815 · C55Plumber
License activechecked Oct 24, 2026
LA Verne, CA · (951) 317-1579
CA-CSLB 977275 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (909) 391-4646
CA-CSLB 606705 · A C16 +1General engineering contractorFire sprinkler contractorPlumber
License activechecked Oct 24, 2026
Fontana, CA · (310) 346-0898
CA-CSLB 1082169 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (909) 930-5522
CA-CSLB 858166 · C36Plumber
License activechecked Oct 24, 2026
LA Verne, CA · (909) 596-3631
CA-CSLB 468926 · A B +1General engineering contractorGeneral contractorPlumber
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
LA Verne, CA · (909) 908-6281
CA-CSLB 1036921 · 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
Ontario, CA · (626) 827-2720
CA-CSLB 817808 · C36Plumber
License activechecked Oct 24, 2026