Insulation in Wilmington, CA. C-2
Bartkowski Firestop Installation appears in California license records as an insulation contractor based in Wilmington, CA. The record lists a C-2 license (#1046655) with status “Work Comp Susp”. It was first issued on 2018-11-07, 7 years ago. It is listed as valid through 2026-11-30. A contractor bond of $25,000 is on file. Workers' comp on file: License Does Not Have Current W/C with INSURANCE COMPANY OF THE WEST.
Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.
This listing was created from public license records. The owner hasn’t claimed it yet — claim it now and we’ll build you a free professional website at bidroom.io/pro/bartkowski-firestop-installation.
Contact info is revealed to anyone with a free Bidroom account. Create yours to unlock contact details across the Bidroom directory — then subscribe if you'd like to message verified pros directly inside the app.
Create a free account Or subscribe to message in-appCheck license #1046655 on the California CSLB lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-04-09).
Bartkowski Firestop Installation is an insulation contractor based in Wilmington, California. Their license classification is C-2. Listed specialties: C-2.
Yes. Bartkowski Firestop Installation holds California CSLB license #1046655 (status: Work Comp Susp). Verify the current status on California CSLB before hiring.
Bartkowski Firestop Installation is based in Wilmington, CA 19808.
Contact information (phone, email, website) is shown to anyone with a free Bidroom account. Create a free account to reveal Bartkowski Firestop Installation's contact details, then subscribe if you'd like to message them in-app.
The fastest way is to post your project on Bidroom — Bartkowski Firestop Installation and up to 2 other verified insulation contractors in Wilmington can bid on it, and every quote includes itemized pricing + a written scope of work.
Not yet. This listing was created from public California license records but hasn't been claimed by the owner. The license info above is from official records, but the business hasn't confirmed its services, hours, or current availability with us yet.
Contractor vetting checklist · Cost guide · Look up this license at the state board