Contractor License Proof

Der Construction

Licensed

Verified against CSLB on · View on CSLB

License details

License number
505745
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
Exempt
License term on file
February 18, 1987 – February 28, 2027

Business

  • (415) 225 3698 (CSLB public record)
  • 552 FOURTH AVENUE, San Francisco, CA 94118San Francisco County

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Frequently asked questions

Is Der Construction licensed in California?

Yes. Der Construction holds an active California state contractor license (CSLB #505745), verified against the CSLB public record on June 17, 2026.

What is Der Construction's CSLB license number?

Der Construction's California contractor license number is 505745. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=505745

What kind of work is Der Construction licensed for?

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

How do I verify Der Construction's license myself?

Look up license #505745 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=505745. 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.