Mark A O'Brien

License

Licensed by

Illinois Department of Financial and Professional Regulation

License number

062066496

Status

Active

First issued

June 17, 2014

Expires

November 30, 2027

License holder

Mark A O'Brien

Entity type

Individual

Classifications

• Licensed Professional Engineer Engineering, Architecture & Surveying

More from the license record

Current term began

11/13/2025

Other Illinois licenses under this name

• IL
  Mark A O'Brien

  License 028001545

  Surveyor Intern (Land Surveyor Board)
  Active

  Marion, IL

  Expires Jan 1, 2999
• IL
  Mark A O'Brien

  License 035004024

  Licensed Professional Land Surveyor
  Active

  Marion, IL

  Expires Nov 30, 2026
• IL
  Mark A O'Brien

  License 061035492

  Enrolled Professional Engineer Intern
  Active

  Carterville, IL

Contact