Protective treatment.
Municipal Code of Chicago § 14X-3-303.2
in effect14X-3-303.2 Protective treatment.
Exterior surfaces, including but not limited to walls, roofs, doors, door and window frames, cornices, trim, porches, exterior balconies, decks, and fences, must be maintained in good condition. Exterior wood surfaces, other than decay-resistant woods, must be protected from the elements and decay by painting or other protective covering or treatment. Peeling, flaking, and chipped paint must be eliminated and surfaces repainted on a regular basis. Siding and masonry joints, as well as those between the building envelope and the perimeter of windows, doors, and skylights, must be maintained weather resistant and water tight. Metal surfaces subject to rust or corrosion must be coated to inhibit such rust and corrosion, and surfaces with rust or corrosion must be stabilized and coated to inhibit future rust and corrosion.
Exception: Surfaces designed for stabilization by oxidation.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2675377Fetched: 10/24/2026