William Frank Sieczkowski III

License

Licensed by

Illinois Department of Financial and Professional Regulation

License number

062073169

Status

Active

First issued

May 27, 2021

Expires

November 30, 2027

License holder

William Frank Sieczkowski III

Entity type

Individual

Classifications

• Licensed Professional Engineer Engineering, Architecture & Surveying

More from the license record

Current term began

09/15/2025

Other Illinois licenses under this name

• IL
  William Frank Sieczkowski III

  License 061039386

  Enrolled Professional Engineer Intern
  Active

  Tinley Park, IL

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