National Systems Insulation
Verified against CSLB on · View on CSLB
License details
- License number
- 552737
- Classifications
- License term on file
- January 5, 1989 – January 31, 2027
Business
- (530) 925 6698 (CSLB public record)
- 5509 CEDARS RDA, Redding, CA 96001Shasta County
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What to check next
Frequently asked questions
Is National Systems Insulation licensed in California?
Yes. National Systems Insulation holds an active California state contractor license (CSLB #552737), verified against the CSLB public record on June 17, 2026.
What is National Systems Insulation's CSLB license number?
National Systems Insulation's California contractor license number is 552737. 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 National Systems Insulation licensed for?
National Systems Insulation is classified under Insulation and Acoustical (C-2) by the CSLB.
How do I verify National Systems Insulation's license myself?
Look up license #552737 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 #552737 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.