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 1–20How results are ordered
01

D G Plumbing

Placentia, CA · (714) 322-7699

CA-CSLB 967507 · C36Plumber
License activechecked Oct 24, 2026
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07

Daley James

San Dimas, CA · (949) 355-5640

CA-CSLB 1049054 · C36Plumber
License activechecked Oct 24, 2026
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09

Dc Drains

Covina, CA · (909) 599-5950

CA-CSLB 1064957 · C36Plumber
License activechecked Oct 24, 2026
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16

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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