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

Plumbers in Covina, CA

56 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
03

Dns Security

Baldwin Park, CA · (909) 408-9130

CA-CSLB 1118308 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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04

Doctor Rooter Inc

West Covina, CA · (310) 709-4744

CA-CSLB 1051766 · A B +1General engineering contractorGeneral contractorPlumber
License activechecked Oct 24, 2026
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08

Elser Plumbing

Glendora, CA · (626) 963-6767

CA-CSLB 892891 · B C36General contractorPlumber
License activechecked Oct 24, 2026
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13

G & S Construction

Glendora, CA · (626) 536-2959

CA-CSLB 357542 · B C27 +4General contractorLandscaperMasonry contractor+2
License activechecked Oct 24, 2026
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