Contractor License Proof

Historical Gypsum Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
505710
Status
Active
Classifications
C-9 · Drywall
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
February 18, 1987 – December 31, 2026

Business

  • (818) 795 8682 (CSLB public record)
  • 12810 SAN FERNANDO RD, Sylmar, CA 91342Los Angeles County

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Frequently asked questions

Is Historical Gypsum Inc licensed in California?

Yes. Historical Gypsum Inc holds an active California state contractor license (CSLB #505710), verified against the CSLB public record on June 17, 2026.

What is Historical Gypsum Inc's CSLB license number?

Historical Gypsum Inc's California contractor license number is 505710. 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 Historical Gypsum Inc licensed for?

Historical Gypsum Inc is classified under Drywall (C-9) by the CSLB.

How do I verify Historical Gypsum Inc's license myself?

Look up license #505710 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 #505710 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.