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
61

Local Plumbing

San Rafael, CA · (415) 484-0454

CA-CSLB 1091739 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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66

North Bay Plumbing Inc

Fairfield, CA · (707) 422-0881

CA-CSLB 410323 · A C4 +2General engineering contractorPlumberFire sprinkler contractor
License activechecked Oct 24, 2026
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67

O G Suppression

Benicia, CA · (707) 249-0325

CA-CSLB 453997 · A C16General engineering contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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69

R2 Mechanical Inc

Benicia, CA · (707) 747-5592

CA-CSLB 984507 · B C16 +2General contractorFire sprinkler contractorHeating and air conditioning+1
License activechecked Oct 24, 2026
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71

Rodrigues Construction

Fairfield, CA · (707) 208-2342

CA-CSLB 399921 · B C10 +1General contractorElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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76

Swan Plumbing Inc

Santa Rosa, CA · (707) 575-5541

CA-CSLB 656463 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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79

Alpha Construction Company

El Cerrito, CA · (415) 889-3504

CA-CSLB 973282 · B C10 +2General contractorElectricianFire sprinkler contractor+1
License activechecked Oct 24, 2026
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80

Azcel Fire System

Windsor, CA · (707) 978-2598

CA-CSLB 1023490 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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