Building Setbacks & Zoning in Sangamon County, IL (2026)
2 county-level rules, plus city-specific rules for 1 city in Sangamon County, Illinois.
Verified from official government sources
Setback Rules
Sangamon County zoning sets minimum front, side and rear yards by district: 30 feet front in the A-1 agricultural and R-1 residential districts, down to 15 feet in the B-1 through B-3 business districts.
Sangamon County Yard Setback Table
Some RestrictionsSangamon County Code § 17.38.010
The minimum yard regulations are: District Front Yard Side Yard Rear Yard A-1 30' 2 side yards, each must be at least 10' wide 30' R-1 30' 2 side yards, each must be at least 10' wide 20' R-2 25' 2 side yards with a total of at least 15'. Neither one may be less than 5' wide 20' B-1 15' None 20' in depth. May be reduced to 5 feet if off-street parking and loading facilities are provided and the...
Structure Height Limits
The county's zoning bulk table caps most residential and agricultural buildings at 35 feet, with the R-3 multi-family district allowed up to 85 feet and business districts up to 65 feet.
Sangamon County Building Height Limits
Some RestrictionsSangamon County Code § 17.38.030
The bulk regulations are: District Floor Are Ratio Minimum* Lot Area Minimum Lot Width Maximum Height R-1 0.4 10,000 sq. ft. with public sewer 80' at the required front yard line 35' R-2 0.5 8,000 sq. ft. per single-family unit with public sewer 80' at the required front yard line 35' R-3 0.5 for 1 family and 2 family uses; 1.0 for multiple family uses 8,000 sq. ft. per single-family unit with ...
Building Setbacks & Zoning by City in Sangamon County
1 cities in Sangamon County have their own building setbacks & zoning rules. Each link goes to that city's dedicated page with code citations.
All Sangamon County ordinances
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