Sierra Insulation Co Inc
Verified against CSLB on · View on CSLB
License details
- License number
- 444172
- Classifications
- License term on file
- August 5, 1983 – August 31, 2027
Business
- (530) 889 2186 (CSLB public record)
- 2025 AIRPARK CT STE 50, Auburn, CA 95602Placer County
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Frequently asked questions
Is Sierra Insulation Co Inc licensed in California?
Yes. Sierra Insulation Co Inc holds an active California state contractor license (CSLB #444172), verified against the CSLB public record on June 17, 2026.
What is Sierra Insulation Co Inc's CSLB license number?
Sierra Insulation Co Inc's California contractor license number is 444172. 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 Sierra Insulation Co Inc licensed for?
Sierra Insulation Co Inc is classified under Insulation and Acoustical (C-2) by the CSLB.
How do I verify Sierra Insulation Co Inc's license myself?
Look up license #444172 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 June 17, 2026.
Verify it yourself: How to verify a California contractor license · Look up #444172 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.