Contractor License Proof

Duncan Bros Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
450201
Status
Active
Classifications
C-51 · Structural Steel
Contractor bond
$25,000
Workers' comp
Covered
License term on file
December 16, 1983 – December 31, 2027

Business

  • (951) 786 9630 (CSLB public record)
  • 6899 ED PERKIC ST, Riverside, CA 92504Riverside County

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Frequently asked questions

Is Duncan Bros Inc licensed in California?

Yes. Duncan Bros Inc holds an active California state contractor license (CSLB #450201), verified against the CSLB public record on August 4, 2026.

What is Duncan Bros Inc's CSLB license number?

Duncan Bros Inc's California contractor license number is 450201. 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 Duncan Bros Inc licensed for?

Duncan Bros Inc is classified under Structural Steel (C-51) by the CSLB.

How do I verify Duncan Bros Inc's license myself?

Look up license #450201 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 August 4, 2026.

Verify it yourself: How to verify a California contractor license · Look up #450201 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.