Plumb Registry
Los Angeles County, California

Fire protection companies in Winnetka, California

2 contractors with an active California CSLB C-16 Fire Protection Contractor license have a location in Winnetka, California, as of October 24, 2026. Another 572 are located elsewhere in Los Angeles 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 Winnetka

Alfa Fire Protection

Winnetka, CA · 818-332-6868
Fire sprinkler 1 active license

Khosrow Haroonian

Winnetka, CA · 818-224-0810
Fire sprinkler 1 active license

Elsewhere in Los Angeles County

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

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Frequently asked questions

How do I check that a fire protection company in Winnetka 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 Winnetka to work there?
No. California licenses are statewide, so companies based elsewhere in Los Angeles County or across California can work in Winnetka. Confirm the service area with the company.

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