Fire protection companies in Napa, California

6 contractors with an active California CSLB C-16 Fire Protection Contractor license have a location in Napa, California, as of October 24, 2026. Another 5 are located elsewhere in Napa County.

California listings cover CSLB C-16 Fire Protection contractors (sprinkler and fixed suppression systems). Fire alarm and portable extinguisher companies are not yet included.

Located in Napa

Elsewhere in Napa County

California licenses are statewide, so these companies can also work in Napa.

• A+ Waterworks IncAmerican Canyon
• JWS Fire ProtectionAmerican Canyon
• Major Fire Systems IncAmerican Canyon
• Plumbing ContractorsAmerican Canyon
• SFI Mechanical IncCalistoga

Frequently asked questions

How do I check that a fire protection company in Napa is licensed?

Search the company name or license number in the California Contractors State License Board public lookup (https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx). Every company listed here shows its license numbers and expiration dates, re-checked against state records on each data refresh.

What license does a fire protection company need in California?

California contractors who lay out, fabricate and install fire protection systems (sprinklers and fixed suppression systems) must hold a CSLB C-16 Fire Protection Contractor license. C-16 does not cover electrical fire alarm systems, which are licensed under other classifications.

Does a company need to be located in Napa to work there?

No. California licenses are statewide, so companies based elsewhere in Napa County or across California can work in Napa. Confirm the service area with the company.

Listed alphabetically. No company pays to rank higher. Machine-readable: JSON · Markdown.