CTY/MUNI BUILDING CODES-STAIRS

Summary

Starting Jan 1 2027, Illinois counties and municipalities may not require more than one stairway as an exit for residential buildings that are six stories or fewer, have sprinkler‑protected interior stairs, self‑closing doors, smoke detectors, an emergency escape opening per unit, and no more than four units per floor. The measure amends the state Counties Code and Municipal Code and limits home‑rule authority to contradict these safety‑based rules. It primarily affects local governments, developers, and owners of multi‑unit housing.

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