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

Plumbers in Diamond Bar, CA

29 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

Hank & Sons

Pomona, CA · (909) 524-2906

CA-CSLB 867480 · C36Plumber
License activechecked Oct 24, 2026
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28

Li David

Walnut, CA · (702) 660-1888

CA-CSLB 1111958 · C36Plumber
License activechecked Oct 24, 2026
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32

Mtec

Walnut, CA · (213) 820-1020

CA-CSLB 873492 · B C33 +1General contractorPainterPlumber
License activechecked Oct 24, 2026
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34

Papa Joe's and Son

Pomona, CA · (800) 300-6818

CA-CSLB 709485 · B C10 +1General contractorElectricianPlumber
License activechecked Oct 24, 2026
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