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

Los Angeles 651San Diego 494San Francisco 437San Jose 384Sacramento 242Riverside 208Bakersfield 191Anaheim 181Santa Rosa 157Glendale 156Long Beach 145Fresno 143Van Nuys 134El Cajon 133Escondido 128Oakland 128
Listings 1–20How results are ordered
01

Lopiccolo Donald G

Rancho Cucamonga, CA · (909) 463-8349

CA-CSLB 477410 · B C20 +1General contractorHeating and air conditioningPlumber
License activechecked Oct 24, 2026
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02

Maglaya Peter

Rancho Cucamonga, CA · (909) 418-8771

CA-CSLB 922907 · B C36General contractorPlumber
License activechecked Oct 24, 2026
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07

Mgp Construction

Upland, CA · (909) 982-2364

CA-CSLB 510978 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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10

Norfork Incorporated

Rancho Cucamonga, CA · (909) 560-3416

CA-CSLB 868794 · A B +3General engineering contractorGeneral contractorPlumber+1
License activechecked Oct 24, 2026
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11

One Stop Source

Rancho Cucamonga, CA · (909) 244-0116

CA-CSLB 899319 · B C36General contractorPlumber
License activechecked Oct 24, 2026
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13

P L Plumbing

Upland, CA · (909) 985-4412

CA-CSLB 438466 · C36Plumber
License activechecked Oct 24, 2026
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17

Pisces Plumbing

Ontario, CA · (909) 552-3915

CA-CSLB 1133446 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
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19

Plumbing Way

Upland, CA · (909) 908-4885

CA-CSLB 852777 · C36Plumber
License activechecked Oct 24, 2026
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