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Bartkowski Firestop Installation

Licensed insulation contractor in Wilmington, Los Angeles, California

CSLB licence active3.0(2 reviews)

Bartkowski Firestop Installation holds CSLB licence 1046655, active, licensed since 7 Nov 2018, rated 3.0 from 2 Google reviews. Bonded for $25,000 with Great American Insurance Company. Clean CSLB record, with no citations, complaints or legal actions disclosed.

62score
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Photo from Bartkowski Firestop Installation
Google · Bartkowski Life Safety Corp
Photo from Bartkowski Firestop Installation
Google · M Reese

Report card

  • Licence activeCSLB #1046655, class C-2. Issued 7 Nov 2018, expires 30 Nov 2026.
  • Licensed 8 yrsSince 7 Nov 2018.
  • Bonded$25,000 with Great American Insurance Company, since 9 Oct 2025. California requires the same $25,000 bond of every contractor.
  • Workers' comp insuredInsurance Company of the West, policy WIL507964302, valid to 28 Aug 2027.
  • Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record

Checked against the Contractors State License Board (CSLB) register on 4 Nov 2026.

About Bartkowski Firestop Installation

People on the licence
Lauren Marie Sustek (qualifier, CEO and president)

Google reviews

3.0(2 reviews)
Eunide Alexandre★★★★★ 6 months ago

Really solid team to partner with. Professional, dependable, and knowledgeable in federal contracting and operations. Strong on coordination and planning.

Read all 2 reviews on Google Reviews and photos from Google, refreshed every 30 days.

Why it ranks #57 of 57 insulation contractors in Los Angeles

Years licensed weight 3040%
Complaint record weight 25100%
Bond and workers' comp weight 10100%
Google reviews weight 3542%

Score 61.6 / 100. Claiming this listing or using Theo never changes it. How we rank

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