General Contractor in Chicago, IL · licensed in Minnesota.
Willem De Koning appears in Minnesota license records as a general contractor based in Chicago, IL (licensed in Minnesota). The record lists a Qualifying Builder license (#QB807348) with status “Issued”. It is listed as valid through 2027-10-03.
Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.
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Willem De Koning is a general contractor based in Chicago, Minnesota.
Yes. Willem De Koning holds Minnesota DLI license #QB807348 (status: Issued). Verify the current status on Minnesota DLI before hiring.
Willem De Koning is based in Chicago, IL 60607. It holds a Minnesota license but lists a business address in Illinois.
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Not yet. This listing was created from public Minnesota license records but hasn't been claimed by the owner. The license info above is from official records, but the business hasn't confirmed its services, hours, or current availability with us yet.
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