Viewing device.
Municipal Code of Chicago § 14X-4-403.3.1.4
in effect14X-4-403.3.1.4 Viewing device.
The door must be equipped with a device which allows a person inside the dwelling unit to view a person immediately outside the door without opening the door. A viewing device may be a peephole with a 160-degree (2.8 rad) field of view, a window, or any other device which accomplishes the purpose of a viewing device without affecting the fire-resistive rating of the door, walls, or any other portion of the building.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2675603Fetched: 10/24/2026
