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

Fire sprinkler contractors in Sonoma, CA

6 licensed fire sprinkler contractors · every license checked against the issuer's file

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119 listingsHow results are ordered
23

Johns Ken Plumbing

Napa, CA · (707) 252-3582

CA-CSLB 364471 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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24

Le Duc & Dexter Inc

Santa Rosa, CA · (707) 575-1500

CA-CSLB 548129 · C4 C16 +3PlumberFire sprinkler contractorHeating and air conditioning
License activechecked Oct 24, 2026
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25

Liu Plumbing

Vallejo, CA · (415) 314-8382

CA-CSLB 904744 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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27

Nemesis Fire

Santa Rosa, CA · (707) 495-5051

CA-CSLB 1036129 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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28

Oakville Pump Service Inc

Napa, CA · (707) 944-2471

CA-CSLB 744958 · A B +6General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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30

Pioneer Fire Inc

Petaluma, CA · (707) 762-3473

CA-CSLB 927862 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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31

Pumpman Norcal

Santa Rosa, CA · (707) 584-9191

CA-CSLB 1033562 · A C10 +4General engineering contractorElectricianFire sprinkler contractor+2
License activechecked Oct 24, 2026
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32

Rjohn Development Co

Petaluma, CA · (650) 619-4986

CA-CSLB 415555 · A B +2General engineering contractorGeneral contractorFire sprinkler contractor+1
License activechecked Oct 24, 2026
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