NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors

Plumbers in Ontario, CA

49 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 61–80How results are ordered
67

Fuel Pros Inc

Chino, CA · (909) 614-1379

CA-CSLB 269354 · A B +2General engineering contractorGeneral contractorPlumber+1
License activechecked Oct 24, 2026
CallDetails
68

Fuentes Alejandro

Fontana, CA · (909) 641-1947

CA-CSLB 895784 · B C36General contractorPlumber
License activechecked Oct 24, 2026
CallDetails
69

Full Service

Norco, CA · (909) 994-5828

CA-CSLB 990139 · B C36 +1General contractorPlumberHome builder
License activechecked Oct 24, 2026
CallDetails
72

Garcia Manuel Serna

Chino, CA · (626) 485-1609

CA-CSLB 771071 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
CallDetails
74

Gardner Jack Jr

Norco, CA · (951) 212-9408

CA-CSLB 470911 · A B +2General engineering contractorGeneral contractorFire sprinkler contractor+1
License activechecked Oct 24, 2026
CallDetails
75

Gibson Plumbing Inc

Norco, CA · (951) 735-1749

CA-CSLB 593968 · C20 C36 +1Heating and air conditioningPlumberExcavation, grading and paving
License activechecked Oct 24, 2026
CallDetails