Fire protection companies in Eureka, California

5 contractors with an active California CSLB C-16 Fire Protection Contractor license have a location in Eureka, California, as of October 24, 2026. Another 7 are located elsewhere in Humboldt 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 Eureka

Elsewhere in Humboldt County

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

• CAL Plumbing & Fire Suppression IncBlue Lake
• California HeatingArcata
• Eureka Fire ProtectionFortuna
• Eureka Fire ProtectionFortuna
• Eureka-Humboldt Fire Extinguisher Company IncArcata
• Murray PlumbingHydesville
• Whitson IncWillow Creek

Frequently asked questions

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

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

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