License holder summary

WILLIAM CHARLES O'BRIEN is a Professional Engineer licensed to practice in Pennsylvania. The address on file for WILLIAM CHARLES O'BRIEN is NAPERVILLE, IL 60540. This engineers license is current. The license was granted 06/10/2015 and expired on 09/30/2017.

Department of State

Registration Board for Professional Engineers, Land Surveyors and Geologists

WILLIAM CHARLES O'BRIEN
Professional Engineer
License number
PE083702
Date granted
06/10/2015
Date expires
09/30/2017
Class
Professional Engineer
Status
Active
Address
NAPERVILLE, IL 60540
engineeringpa.org
ID 37489256
LAST UPDATED 2026-05-11 17:53:38 UTC

This website is unaffiliated with the Registration Board for Professional Engineers, Land Surveyors and Geologists. Please verify all information directly with the relevant official government authority.

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