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

Plumbers in Duarte, CA

12 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 41–60How results are ordered
43

K B Engineering Inc

Glendora, CA · (626) 335-2118

CA-CSLB 819366 · A C36General engineering contractorPlumber
License activechecked Oct 24, 2026
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46

Kal Construction

El Monte, CA · (626) 893-1514

CA-CSLB 484667 · B C10 +3General contractorElectricianHeating and air conditioning+1
License activechecked Oct 24, 2026
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52

King Building Construction

San Gabriel, CA · (909) 992-9798

CA-CSLB 1070751 · B C10 +2General contractorElectricianFire sprinkler contractor+1
License activechecked Oct 24, 2026
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53

King Rooter

Pasadena, CA · (626) 689-3031

CA-CSLB 1027418 · C36Plumber
License activechecked Oct 24, 2026
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