Building entrances.
Municipal Code of Chicago § 14X-4-403.2
in effect14X-4-403.2 Building entrances.
Every point providing access from outside the building or from an entry vestibule to an interior corridor, lobby, or stairway which leads to dwelling unit or sleeping unit entrances must be secured by a door equipped with a deadlocking latch with at least a 1/2-inch (12.7 mm) latch bolt projection. The latch must be operable from the outside by a key or keypad and from the inside by a device which does not require a key or any special knowledge to operate.
Exceptions:
1. A building entrance where an attendant is continuously on duty.
2. If an entrance is configured so that entry to the interior of the building is gained by passage through an enclosed vestibule, either the door leading from the exterior to the vestibule or the door leading from the vestibule to the interior of the building must be secured.
(Amend Coun. J. 2-19-20, p. 14473, Art. V, § 12)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2675585Fetched: 10/24/2026