C M Firestop Inc
Licensed insulation contractor in San Diego, California
CSLB licence active1.0(1 review)
C M Firestop Inc holds CSLB licence 775289, active, licensed since 22 Feb 2000, rated 1.0 from 1 Google reviews. Bonded for $25,000 with Merchants Bonding Company (Mutual). Clean CSLB record, with no citations, complaints or legal actions disclosed.
Report card
- Licence activeCSLB #775289, class C-2. Issued 22 Feb 2000, expires 29 Feb 2028.
- Licensed 27 yrsSince 22 Feb 2000.
- Bonded$25,000 with Merchants Bonding Company (Mutual), since 11 Feb 2026. California requires the same $25,000 bond of every contractor.
- Workers' comp insuredOmaha National Casualty Company, policy ONCC1701260202, valid to 1 Apr 2027.
- Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
- Website shows the licenceTheir own site displays licence #775289.
- On the BBB, not accreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews
Checked against the Contractors State License Board (CSLB) register on 4 Nov 2026.
About C M Firestop Inc
- People on the licence
- Christopher Raymond Winkler (qualifier, CEO and president)
Google reviews
1.0(1 review)Victor Ortiz★★★★★ a year agoView on Google
Low
Read all 1 reviews on Google Reviews and photos from Google, 4 Nov 2026.
Why it ranks #12 of 31 insulation contractors in San Diego
Score 77.7 / 100. Claiming this listing or using Theo never changes it. How we rank
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