American Underground Contractor, A General Engineering Contractor in Byron, CA
American Underground Contractor operating as a corporation holds an active California contractor license (CSLB #940759), valid through Dec 31, 2027. First issued in 2009, the license has been on the CSLB roster for 17 years. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Zurich American Insurance Company. The business is based in Byron, in Contra Costa County, California.
- License Number
- 940759
- Issued
- Dec 10, 2009
- Status
- CLEAR
- Expires
- Dec 31, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100139265
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Zurich American Insurance Company
- Policy Number
- WC559986501
- Effective
- Oct 1, 2025
- Expires
- Oct 1, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is American Underground Contractor licensed in California?
Yes. American Underground Contractor holds California Contractors State License Board license number 940759, which is active and in good standing. The license was first issued on December 10, 2009. It is valid through December 31, 2027.
What does American Underground Contractor specialize in?
American Underground Contractor is licensed for one CSLB classification: A General Engineering Contractor.
Where is American Underground Contractor headquartered?
American Underground Contractor is headquartered at P O Box 670, Byron, CA 94514, in Contra Costa County, California.
Does American Underground Contractor have an active surety bond on file with CSLB?
Yes. American Underground Contractor has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does American Underground Contractor carry workers' compensation coverage?
Yes. American Underground Contractor carries active workers' compensation coverage through Zurich American Insurance Company.
How do I verify American Underground Contractor's contractor license?
You can verify American Underground Contractor's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=940759.
- License issuedDec 10, 2009
- Bond activeJan 1, 2023
- WC coverage startsOct 1, 2025
- WC expiresOct 1, 2026
- License expiresDec 31, 2027
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