DOUGLAS J MAHNKE Professional Engineer License verification

Business Entity

ACTIVE

License Type

Professional Engineer

Description

LICENSED PROFESSIONAL ENGINEER

License Number

062063678

License Status

ACTIVE

Business

First Name

DOUGLAS

Middle

Last Name

MAHNKE

Business Name

DOUGLAS J MAHNKE

BusinessDBA

MAHNKE

Original Issue Date

06/23/2011

Effective Date

09/11/2025

Expiration Date

11/30/2027

City

BUFFALO GROVE

State

Zip

60089

County

LAKE

Ever Disciplined

LastModifiedDate

09/11/2025