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
61Rancho Cucamonga, CA · (909) 532-0703
CA-CSLB 889498 · B C10 +1General contractorElectricianPlumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 644-1582
CA-CSLB 1069409 · B C36General contractorPlumber
License activechecked Oct 24, 2026
Ontario, CA · (840) 977-8909
CA-CSLB 1105933 · C36Plumber
License activechecked Oct 24, 2026
Montclair, CA · (909) 621-2826
CA-CSLB 998815 · C55Plumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (949) 545-4948
CA-CSLB 1054233 · B C36General contractorPlumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 977-1010
CA-CSLB 1136432 · C36Plumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 257-6458
CA-CSLB 842991 · C36Plumber
License activechecked Oct 24, 2026
Ontario, CA · (909) 240-8028
CA-CSLB 632348 · B C36 +1General contractorPlumberTile contractor
License activechecked Oct 24, 2026
Ontario, CA · (626) 827-2720
CA-CSLB 817808 · C36Plumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 240-8018
CA-CSLB 983618 · A C36General engineering contractorPlumber
License activechecked Oct 24, 2026
Alta Loma, CA · (909) 226-5798
CA-CSLB 744906 · C36Plumber
License activechecked Oct 24, 2026
Claremont, CA · (626) 786-1387
CA-CSLB 359145 · C10 C27 +1ElectricianLandscaperPlumber
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 201-1403
CA-CSLB 1111586 · C36Plumber
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
Rancho Cucamonga, CA · (909) 717-5994
CA-CSLB 1119147 · C36Plumber
License activechecked Oct 24, 2026
Alta Loma, CA · (909) 484-3231
CA-CSLB 732557 · C36Plumber
License activechecked Oct 24, 2026
Alta Loma, CA · (949) 279-4712
CA-CSLB 997749 · C36Plumber
License activechecked Oct 24, 2026
Claremont, CA · (626) 641-8414
CA-CSLB 1134587 · 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