Contractor License Proof

Duke Construction

Licensed

Verified against CSLB on · View on CSLB

License details

License number
548992
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
Exempt
License term on file
November 18, 1988November 30, 2026

Business

  • (415) 686 6155 (CSLB public record)
  • 507 BUTTERFIELD PLACE, Moraga, CA 94556Contra Costa County

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Frequently asked questions

Is Duke Construction licensed in California?

Yes. Duke Construction holds an active California state contractor license (CSLB #548992), verified against the CSLB public record on June 17, 2026.

What is Duke Construction's CSLB license number?

Duke Construction's California contractor license number is 548992. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=548992

What kind of work is Duke Construction licensed for?

Duke Construction is classified under General Building (B) by the CSLB.

How do I verify Duke Construction's license myself?

Look up license #548992 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=548992. 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.