A D L Professional Insulation, C-2 Insulation and Acoustical Contractor in Antioch, CA
A D L Professional Insulation operating as a corporation holds an active California contractor license (CSLB #1064718), valid through Mar 31, 2028. First issued in 2020, the license has been on the CSLB roster for 6 years. It carries a single CSLB classification: C-2 — Insulation and Acoustical Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Antioch, in Contra Costa County, California.
- License Number
- 1064718
- Issued
- Mar 26, 2020
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Corporation
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800210918
- Effective
- Sep 20, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Feb 11, 2026
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is A D L Professional Insulation licensed in California?
Yes. A D L Professional Insulation holds California Contractors State License Board license number 1064718, which is active and in good standing. The license was first issued on March 26, 2020. It is valid through March 31, 2028.
What does A D L Professional Insulation specialize in?
A D L Professional Insulation is licensed for one CSLB classification: C-2 Insulation and Acoustical Contractor.
Where is A D L Professional Insulation headquartered?
A D L Professional Insulation is headquartered at 4524 Park Side Street, Antioch, CA 94531, in Contra Costa County, California.
Does A D L Professional Insulation have an active surety bond on file with CSLB?
Yes. A D L Professional Insulation has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does A D L Professional Insulation carry workers' compensation coverage?
A D L Professional Insulation reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify A D L Professional Insulation's contractor license?
You can verify A D L Professional Insulation's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1064718.
- License issuedMar 26, 2020
- Bond activeSep 20, 2025
- WC coverage startsFeb 11, 2026
- License expiresMar 31, 2028
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