Contractor License Proof

Ernst Duane Construction

Licensed

Verified against CSLB on · View on CSLB

License details

License number
883911
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
Exempt
License term on file
September 11, 2006 – December 31, 2027

Business

  • (415) 680 7640 (CSLB public record)
  • 119 GERMANIA STREET, San Francisco, CA 94117San Francisco County

Are you Ernst Duane Construction? Claim this listing to manage it.

Claim this listing

Request a free quote

Tell us about your project and we'll connect you with licensed, verified California contractors.

By submitting, you agree we may share your request with relevant licensed contractors to help with your project.

Frequently asked questions

Is Ernst Duane Construction licensed in California?

Yes. Ernst Duane Construction holds an active California state contractor license (CSLB #883911), verified against the CSLB public record on June 17, 2026.

What is Ernst Duane Construction's CSLB license number?

Ernst Duane Construction's California contractor license number is 883911. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=883911

What kind of work is Ernst Duane Construction licensed for?

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

How do I verify Ernst Duane Construction's license myself?

Look up license #883911 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=883911. 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.