Chicago, IL Fence Regulations: Height Limits (2026)

Two layers of Chicago law govern fence height. The Municipal Code (Building Code) Section 13-96-140 sets construction-based maximums: a combustible screen fence may not exceed 8 feet; a combustible solid fence may not exceed 6 feet (and may reach 8 feet only where the distance to a public way exceeds the fence height, or where the fence is laterally braced or supported by noncombustible posts in masonry/concrete foundations); a noncombustible screen fence may not exceed 10 feet (15 feet enclosing an open-air assembly or institutional/business/industrial/storage yard); and a noncombustible solid fence may not exceed 8 feet (12 feet for those same enclosed yards). A 'screen fence' is at least 50% open apertures; a 'solid fence' is less than 50% open (Sec. 13-96-130). Separately, the Chicago Zoning Ordinance Section 17-17-0309 controls what fences may stand inside required setbacks: fences no more than 20% opaque are allowed up to 6 feet in front, side, and rear setbacks; fences more than 20% opaque or solid are allowed up to only 4.5 feet in the front setback (the commonly cited '54-inch' rule) but up to 6 feet in side and rear setbacks. Fence heights of 6 feet or more that are solid are therefore confined to side and rear yards.