WILLIAM J TREFZ Professional Engineer License verification

Business Entity

ACTIVE

License Type

Professional Engineer

Description

LICENSED PROFESSIONAL ENGINEER

License Number

062055844

License Status

ACTIVE

Business

First Name

WILLIAM

Middle

Last Name

TREFZ

Business Name

WILLIAM J TREFZ

Original Issue Date

06/24/2002

Effective Date

11/24/2025

Expiration Date

11/30/2027

City

HOFFMAN ESTATES

State

Zip

60192

County

COOK

Ever Disciplined

LastModifiedDate

11/24/2025