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

Plumbers in Sonoma, CA

24 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
880 listingsHow results are ordered
26

F C M Mechanical

El Verano, CA · (707) 996-9818

CA-CSLB 461268 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 19, 2026
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27

Marks Plumbing

Boyes Hot Springs, CA · (707) 996-0977

CA-CSLB 976120 · C36Plumber
License activechecked Oct 19, 2026
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31

Allen Brian

Napa, CA · (707) 227-7197

CA-CSLB 546900 · C10 C36 +1ElectricianPlumberSpecialty contractor
License activechecked Oct 19, 2026
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32

Alpha Trenchless

Petaluma, CA · (415) 377-6939

CA-CSLB 1044308 · C34 C36General engineering contractorPlumber
License activechecked Oct 19, 2026
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34

Bell Products Inc

Napa, CA · (707) 255-1811

CA-CSLB 171534 · A B +4General engineering contractorGeneral contractorPlumber+1
License activechecked Oct 19, 2026
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