Contractor License Proof

Cornerstone Insulation

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1074882
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
April 16, 2021 – April 30, 2027

Business

  • (310) 738 6029 (CSLB public record)
  • 9350 SIERRA MAR DR, Los Angeles, CA 90069Los Angeles County

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Frequently asked questions

Is Cornerstone Insulation licensed in California?

Yes. Cornerstone Insulation holds an active California state contractor license (CSLB #1074882), verified against the CSLB public record on June 17, 2026.

What is Cornerstone Insulation's CSLB license number?

Cornerstone Insulation's California contractor license number is 1074882. 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 Cornerstone Insulation licensed for?

Cornerstone Insulation is classified under General Building (B) by the CSLB.

How do I verify Cornerstone Insulation's license myself?

Look up license #1074882 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 #1074882 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.