Contractor License Proof

Rock Charlie Firestopping

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1042560
Status
Active
Classifications
D-12 · Synthetic Products
Contractor bond
$25,000
Workers' comp
Covered
License term on file
August 1, 2018 – August 31, 2026

Business

  • (909) 224 5971 (CSLB public record)
  • 6533 BRISTOL AVE, Fontana, CA 92336San Bernardino County

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Frequently asked questions

Is Rock Charlie Firestopping licensed in California?

Yes. Rock Charlie Firestopping holds an active California state contractor license (CSLB #1042560), verified against the CSLB public record on June 17, 2026.

What is Rock Charlie Firestopping's CSLB license number?

Rock Charlie Firestopping's California contractor license number is 1042560. 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 Rock Charlie Firestopping licensed for?

Rock Charlie Firestopping is classified under Synthetic Products (D-12) by the CSLB.

How do I verify Rock Charlie Firestopping's license myself?

Look up license #1042560 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 #1042560 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.