Fire protection companies in Grass Valley, California

3 contractors with an active California CSLB C-16 Fire Protection Contractor license have a location in Grass Valley, California, as of October 24, 2026. Another 2 are located elsewhere in Nevada 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 Grass Valley

Elsewhere in Nevada County

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

• Comfort Plumbing Systems IncNevada City
• TED Noble ConstructionTruckee

Frequently asked questions

How do I check that a fire protection company in Grass Valley 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 Grass Valley to work there?

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

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