Thornsberry Stan Const, A General Engineering Contractor in Auburn, CA
Thornsberry Stan Const operating as a sole owner holds California contractor license #428101, which is currently expired (lapsed Sep 30, 2026) and not valid to contract until it is renewed. First issued in 1982, the license has been on the CSLB roster for 44 years. It carries a single CSLB classification: A — General Engineering 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 Auburn, in Placer County, California.
- License Number
- 428101
- Issued
- Sep 10, 1982
- Status
- CLEAR
- Expires
- Sep 30, 2026
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800232726
- Effective
- Mar 5, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Sep 30, 2024
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Thornsberry Stan Const licensed in California?
Thornsberry Stan Const previously held California Contractors State License Board license number 428101, but the license expired on September 30, 2026 and is not currently valid. It was first issued on September 10, 1982.
What does Thornsberry Stan Const specialize in?
Thornsberry Stan Const is licensed for one CSLB classification: A General Engineering Contractor.
Where is Thornsberry Stan Const headquartered?
Thornsberry Stan Const is headquartered at 5605 Upper Ridge Way, Auburn, CA 95602, in Placer County, California.
Does Thornsberry Stan Const have an active surety bond on file with CSLB?
Yes. Thornsberry Stan Const has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Thornsberry Stan Const carry workers' compensation coverage?
Thornsberry Stan Const reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Thornsberry Stan Const's contractor license?
You can verify Thornsberry Stan Const's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=428101.
- License issuedSep 10, 1982
- WC coverage startsSep 30, 2024
- Bond activeMar 5, 2026
- License expiredSep 30, 2026
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