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
22

Cedillo Peter

LA Habra, CA · (949) 350-6715

CA-CSLB 819801 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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24

Chandler Construction

LA Habra, CA · (562) 319-5729

CA-CSLB 732739 · A B +3General engineering contractorGeneral contractorPainter+2
License activechecked Oct 24, 2026
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26

Chino Standard Inc

Chino, CA · (909) 662-1908

CA-CSLB 920479 · C36 C42PlumberExcavation, grading and paving
License activechecked Oct 24, 2026
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32

Controlfs LLC

Brea, CA · (657) 232-1231

CA-CSLB 1059425 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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33

Core P & C

Brea, CA · (213) 999-1110

CA-CSLB 927798 · B C36General contractorPlumber
License activechecked Oct 24, 2026
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38

Custom H20

Brea, CA · (949) 484-3200

CA-CSLB 994323 · C55Plumber
License activechecked Oct 24, 2026
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39

D C Plumbing

Glendora, CA · (626) 428-6254

CA-CSLB 687907 · C36Plumber
License activechecked Oct 24, 2026
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