Contractor License Proof

Duininck Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
816687
Status
Active
Classifications
A · General Engineering
Contractor bond
$25,000
Workers' comp
Covered
License term on file
January 22, 2003 – January 31, 2027

Business

  • (320) 978 6011 (CSLB public record)
  • PO BOX 208, Prinsburg, MN 56281

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Frequently asked questions

Is Duininck Inc licensed in California?

Yes. Duininck Inc holds an active California state contractor license (CSLB #816687), verified against the CSLB public record on June 17, 2026.

What is Duininck Inc's CSLB license number?

Duininck Inc's California contractor license number is 816687. 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 Duininck Inc licensed for?

Duininck Inc is classified under General Engineering (A) by the CSLB.

How do I verify Duininck Inc's license myself?

Look up license #816687 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 June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #816687 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.