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
24

Mountain Bay Construction Inc

Novato, CA · (415) 385-9692

CA-CSLB 583372 · A B +2General engineering contractorGeneral contractorFire sprinkler contractor+1
License activechecked Oct 24, 2026
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26

Plumbers Plus Inc

Rohnert Park, CA · (707) 584-5837

CA-CSLB 497849 · C4 C16 +2PlumberFire sprinkler contractorHeating and air conditioning
License activechecked Oct 24, 2026
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27

Plumbing Contractors

American Canyon, CA · (707) 255-7789

CA-CSLB 600928 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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28

Trimyc Mechanical Inc

Cotati, CA · (707) 664-1042

CA-CSLB 555597 · B C4 +2General contractorPlumberFire sprinkler contractor
License activechecked Oct 24, 2026
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31

All Plumbing

Vallejo, CA · (707) 332-1939

CA-CSLB 439170 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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38

Cowell Sam

Napa, CA · (707) 738-1842

CA-CSLB 565603 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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40

Fire Safety Supply Inc

Santa Rosa, CA · (707) 575-9117

CA-CSLB 778924 · B C16General contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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