License holder summary

WILLIAM C TREFZ is a Professional Engineer licensed to practice in Pennsylvania. The address on file for WILLIAM C TREFZ is ALLISON PARK PA 15101. This engineers license is not current. The license was granted 09/08/1977 and expired on 09/30/2011.

Department of State

Registration Board for Professional Engineers, Land Surveyors and Geologists

WILLIAM C TREFZ
Professional Engineer
License number
PE026064E
Date granted
09/08/1977
Date expires
09/30/2011
Class
Professional Engineer
Status
Expired
Address
ALLISON PARK PA 15101
engineeringpa.org
ID 37502907
LAST UPDATED 2026-06-02 19:53:08 UTC

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