Aurora, IL Building Setbacks & Zoning: Structure Height Limits (2026)

Height of buildings. The maximum height of buildings permitted shall be as follows: Buildings including accessory: Thirty-five (35) feet and not over two and one-half (2 1/2) stories. Religious Institutions: Seventy-five (75) feet for towers or steeples, but not more than forty-five (45) feet for the main structure. Height of structures. The maximum permitted height of structures shall be thirty-five (35) feet. Landscaping. (Reserved) Lot Size. Area. One-family detached dwelling. Every one-family detached dwelling hereafter erected or structurally altered shall be on a lot having an area of not less than ten thousand (10,000) square feet. Religious institutions. Religious institutions hereafter erected or structurally altered shall be on a lot having an area of not less than ten thousand (10,000) square feet. Width. One-family detached dwelling. Every one-family detached dwelling hereafter erected or structurally altered shall be on a lot having a width at the established building line of not less than seventy-five (75) feet. Religious institutions. Religious institutions hereafter erected or structurally altered shall be on a lot having a width at the building line of not less than seventy-five (75) feet. Lot Coverage. Lot coverage shall not exceed forty (40) percent. Monotony Standards. (Reserved) Nonconformity. (Reserved) Obstructions.