Building Setbacks & Zoning in Oak Lawn, IL (2026)
3 verified building setbacks & zoning rules for Oak Lawn, Illinois, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Oak Lawn's R-1 single-family zoning sets a minimum 25-foot front yard, side yards of at least 10% of lot width or 5 feet, and a rear yard of 30 feet or 20% of lot depth, whichever is smaller.
Oak Lawn Yard Setback Minimums
Some RestrictionsOak Lawn Village Code § 4-5A-3(B)
1. Front Yard: There shall be a front yard having a depth of not less than twenty five feet (25')... 2. Side Yards: ...there shall be a side yard on each side of the lot of not less than ten percent (10%) of the width of the lot or five feet (5'), whichever is greater... 3. Rear Yard: ...there shall be a rear yard having a depth of not less than thirty feet (30') or twenty percent (20%) of the ...
Structure Height Limits
In Oak Lawn's R-1 single-family district, homes are capped at two and one-half stories and 30 feet, with a narrow bonus for extra yard setbacks.
Oak Lawn Residential Building Height Limits
Some RestrictionsOak Lawn Village Code § 4-5A-3(A)
Building Height: No building shall exceed two and one-half (21/2) stories nor shall it exceed thirty feet (30') in height, except as provided in section 4-2-8 of this title.
Lot Coverage Limits
In Oak Lawn's R-1 single-family district, buildings and impervious surfaces together can't cover more than 50% of a residential lot, capping driveways, patios, and additions before they trigger a zoning violation.
Oak Lawn Lot Coverage Limit: 50 Percent
Some RestrictionsOak Lawn Village Code § 4-5A-7(B)
Maximum Lot Coverage: The total lot area occupied by any principal building(s) and accessory building(s), together with all impervious surfaces, including concrete flatwork, shall not exceed fifty percent (50%) of the total lot area. In any case, lot coverage for dwellings and accessory buildings shall not exceed limits set in section 4-5A-3, "Site And Structure Requirements", of this article. ...
Looking for Cook County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Oak Lawn city rules.
Building Setbacks & Zoning in Cook County →