A - 1 Testing / Site Services
Verified against CSLB on · View on CSLB
License details
- License number
- 1120403
- Classifications
- 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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What to check next
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 August 4, 2026.
What is A - 1 Testing / Site Services's CSLB license number?
A - 1 Testing / Site Services's California contractor license number is 1120403. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.
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 and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of August 4, 2026.
Verify it yourself: How to verify a California contractor license · Look up #1120403 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.