JOHN R CALLAHAN Professional Engineer License verification

Business Entity

ACTIVE

License Type

Professional Engineer

Description

LICENSED PROFESSIONAL ENGINEER

License Number

062071566

License Status

ACTIVE

Business

First Name

JOHN

Middle

Last Name

CALLAHAN

Business Name

JOHN R CALLAHAN

Original Issue Date

07/17/2019

Effective Date

09/16/2025

Expiration Date

11/30/2027

City

RIDGE

State

Zip

11961

Ever Disciplined

LastModifiedDate

09/16/2025