American Underground Contractor
Verified against CSLB on · View on CSLB
License details
- License number
- 940759
- Status
- Active
- Classifications
- A · General Engineering
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- December 10, 2009 – December 31, 2027
Business
- (925) 634 0554 (CSLB public record)
- P O BOX 670, Byron, CA 94514Contra Costa County
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Frequently asked questions
Is American Underground Contractor licensed in California?
Yes. American Underground Contractor holds an active California state contractor license (CSLB #940759), verified against the CSLB public record on June 17, 2026.
What is American Underground Contractor's CSLB license number?
American Underground Contractor's California contractor license number is 940759. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=940759
What kind of work is American Underground Contractor licensed for?
American Underground Contractor is classified under General Engineering (A) by the CSLB.
How do I verify American Underground Contractor's license myself?
Look up license #940759 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=940759. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.