Christopher Sean O'Brien
Christopher Sean O'Brien's Illinois Architect stamp
Watermarked specimen
This downloadable Illinois Architect stamp specimen was generated for Christopher Sean O'Brien from the public license details in this directory listing, including license number 001026066. The preview is watermarked and does not prove that Christopher Sean O'Brien approved or sealed a document.
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Christopher Sean O'Brien holds a Architect license in Illinois. The credential is registered under license number 001026066 and is currently active. It has been on record since 2022. Licensure is issued and verifiable through the Illinois Department of Financial and Professional Regulation - Design Professionals.