A - 1 Testing / Site Services
Verified against CSLB on · View on CSLB
License details
- License number
- 1120403
- Status
- Active
- Classifications
- A · General Engineering
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- May 7, 2024 – May 31, 2028
Business
- (530) 448 4190 (CSLB public record)
- P O BOX 1518, Truckee, CA 96160Nevada County
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Frequently asked questions
Is A - 1 Testing / Site Services licensed in California?
Yes. A - 1 Testing / Site Services holds an active California state contractor license (CSLB #1120403), verified against the CSLB public record on June 17, 2026.
What is A - 1 Testing / Site Services's CSLB license number?
A - 1 Testing / Site Services's California contractor license number is 1120403. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1120403
What kind of work is A - 1 Testing / Site Services licensed for?
A - 1 Testing / Site Services is classified under General Engineering (A) by the CSLB.
How do I verify A - 1 Testing / Site Services's license myself?
Look up license #1120403 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1120403. 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.