A - 1 Testing / Site Services, A General Engineering Contractor in Truckee, CA
A - 1 Testing / Site Services operating as a corporation holds California contractor license #1120403, which is currently expired (lapsed May 31, 2026) and not valid to contract until it is renewed. First issued in 2024, the license has been on the CSLB roster for 2 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 Security National Insurance Company. The business is based in Truckee, in Nevada County, California.
- License Number
- 1120403
- Issued
- May 7, 2024
- Status
- CLEAR
- Expires
- May 31, 2026
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100963220
- Effective
- May 15, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Security National Insurance Company
- Policy Number
- SWC1580905
- Effective
- Sep 10, 2025
- Expires
- Sep 10, 2026
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 A - 1 Testing / Site Services licensed in California?
A - 1 Testing / Site Services previously held California Contractors State License Board license number 1120403, but the license expired on May 31, 2026 and is not currently valid. It was first issued on May 7, 2024.
What does A - 1 Testing / Site Services specialize in?
A - 1 Testing / Site Services is licensed for one CSLB classification: A General Engineering Contractor.
Where is A - 1 Testing / Site Services headquartered?
A - 1 Testing / Site Services is headquartered at P O Box 1518, Truckee, CA 96160, in Nevada County, California.
Does A - 1 Testing / Site Services have an active surety bond on file with CSLB?
Yes. A - 1 Testing / Site Services has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does A - 1 Testing / Site Services carry workers' compensation coverage?
Yes. A - 1 Testing / Site Services carries active workers' compensation coverage through Security National Insurance Company.
How do I verify A - 1 Testing / Site Services's contractor license?
You can verify A - 1 Testing / Site Services's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1120403.
- License issuedMay 7, 2024
- Bond activeMay 15, 2025
- WC coverage startsSep 10, 2025
- License expiredMay 31, 2026
- WC expiresSep 10, 2026
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