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 21–40How results are ordered
21

Asset Air & Plumbing

Monrovia, CA · (818) 307-9034

CA-CSLB 1142914 · C10 C20 +1ElectricianHeating and air conditioningPlumber
License activechecked Oct 19, 2026
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23

Carl Maertens

Monrovia, CA · (626) 357-4664

CA-CSLB 601255 · B C36General contractorPlumber
License activechecked Oct 19, 2026
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27

De Sigio Julian Jr

Arcadia, CA · (626) 222-4876

CA-CSLB 480069 · A C36General engineering contractorPlumber
License activechecked Oct 19, 2026
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30

Dns Security

Baldwin Park, CA · (909) 408-9130

CA-CSLB 1118308 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 19, 2026
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34

Exposito Anthony

Monrovia, CA · (626) 840-4831

CA-CSLB 491848 · B C10 +1General contractorElectricianPlumber
License activechecked Oct 19, 2026
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