Building Setbacks & Zoning in Macon County, IL (2026)
3 rules for unincorporated Macon County, Illinois.
Verified from official government sources
Setback Rules
Macon County's § 155.183 table sets minimum front, side, and rear yard setbacks for every zoning district in the unincorporated county. A single-family R1 lot needs a 35-foot front setback, 15 feet per side yard, and a 50-foot rear setback, with different numbers for agricultural, business, and industrial districts.
Macon County Yard Setback Minimums by District
Some RestrictionsMacon County Code § 155.183
Zoning District Lot Lot Front Rear Maximum Coverage Floor Area Width Yard Per Total Yard Height 1, 2 3 Area Side Ratio ... R1 – Single Family 1 acre 100 ft. 35 ft. 15 20 50 ft. 35 ft. 0.30 None Residential ...
Structure Height Limits
In unincorporated Macon County, Macon County Code § 155.183 caps building height at 35 feet in every single-family and multiple-family residential district (R1, R4, RE5, R6), and a footnote defines that 35-foot limit as equal to three stories, with 45 feet counted as four stories for the commercial and business districts that allow more.
Residential Structure Height Limits, Macon County
Some RestrictionsMacon County Code § 155.183
R1 – Single Family 1 acre 100 ft. 35 ft. 15 20 50 ft. 35 ft. 0.30 None Residential ft. ft. ... 2 35-foot height shall be considered to be 3 stories, 45-foot height shall be considered to be 4 stories.
Lot Coverage Limits
Macon County Code § 155.183's height and area table caps the share of a lot a building may cover in every zoning district: multiple-family residential (R6) lots may not exceed 0.50 (50%) coverage, and the code defines 'maximum coverage' as the lot area covered by a non-porous surface, so the limit reaches driveways and patios, not just the building footprint.
Lot Coverage Limits, Unincorporated Macon County
Some RestrictionsMacon County Code § 155.183
R6 – Multiple Family 1 acre 100 ft. 35 ft. 15 12 50 ft. 35 ft. 0.50 0.60 Residential ft. ft. ... 3 Maximum coverage refers to that area of a lot covered by a non-porous surface.
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