Duncan Bros Inc
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 June 17, 2026.
What is Duncan Bros Inc's CSLB license number?
Duncan Bros Inc's California contractor license number is 450201. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=450201
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 at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=450201. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.