Width.
Municipal Code of Chicago § 14X-5-505.9.2
in effect14X-5-505.9.2 Width.
Means of egress stairways must be at least 36 inches (914 mm) wide.
Exception: Conditions allowed by the Chicago Building Code.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2675965Fetched: 10/24/2026
