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
01

American Builders

Sonoma, CA · (415) 559-6759

CA-CSLB 427930 · A B +4General engineering contractorGeneral contractorPlumber+2
License activechecked Oct 19, 2026
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04

Petersen Thomas

Sonoma, CA · (650) 302-3591

CA-CSLB 1068915 · C16Fire sprinkler contractor
License activechecked Oct 19, 2026
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05

Peterson Mechanical Inc

Sonoma, CA · (707) 938-8481

CA-CSLB 171486 · B C4 +7General contractorPlumberFire sprinkler contractor+2
License activechecked Oct 19, 2026
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07

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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08

Goebel Construction Inc

Petaluma, CA · (707) 763-0088

CA-CSLB 348449 · A B +6General engineering contractorGeneral contractorExcavation, grading and paving+2
License activechecked Oct 19, 2026
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09

Incom Mechanical Inc

Petaluma, CA · (707) 586-0511

CA-CSLB 517617 · B C4 +2General contractorPlumberFire sprinkler contractor
License activechecked Oct 19, 2026
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12

Ongaro & Sons

Petaluma, CA · (707) 579-3511

CA-CSLB 215233 · C4 C10 +9PlumberElectricianFire sprinkler contractor+2
License activechecked Oct 19, 2026
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14

Rust Plumbing Inc

Petaluma, CA · (415) 408-8028

CA-CSLB 976035 · C4 C16 +1PlumberFire sprinkler contractor
License activechecked Oct 19, 2026
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16

A+ Waterworks Inc

American Canyon, CA · (707) 249-8987

CA-CSLB 745951 · C16 C36 +1Fire sprinkler contractorPlumberExcavation, grading and paving
License activechecked Oct 19, 2026
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