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 1–20How results are ordered
02

Hu Fire Protection Inc

Baldwin Park, CA · (626) 397-9771

CA-CSLB 1029990 · B C16 +1General contractorFire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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03

J D C

Baldwin Park, CA · (626) 480-8900

CA-CSLB 737593 · A C36 +1General engineering contractorPlumberConcrete contractor
License activechecked Oct 24, 2026
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04

Jcr Plumbing Inc

Monrovia, CA · (818) 284-8247

CA-CSLB 1073237 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
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08

Kauffman George Plumbing

Arcadia, CA · (626) 401-0717

CA-CSLB 453980 · C4 C16 +2PlumberFire sprinkler contractorHeating and air conditioning
License activechecked Oct 24, 2026
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12

M M Construction

Monrovia, CA · (626) 340-3252

CA-CSLB 971563 · B C10 +1General contractorElectricianPlumber
License activechecked Oct 24, 2026
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17

Mountain Aire Services

Monrovia, CA · (626) 354-1082

CA-CSLB 742211 · B C10 +2General contractorElectricianHeating and air conditioning+1
License activechecked Oct 24, 2026
CallDetails