Building Setbacks & Zoning in Peoria County, IL (2026)
3 county-level rules, plus city-specific rules for 1 city in Peoria County, Illinois.
Verified from official government sources
Setback Rules
In Peoria County's R-1 Low Density Residential District, principal structures must sit at least 15 feet from a side lot line and 25 feet from the rear line, while accessory buildings need 15 feet on both sides. Road setbacks run far deeper, from 25 to over 100 feet depending on road classification.
Peoria County R-1 Yard Setback Minimums
Some RestrictionsPeoria County Unified Development Ordinance § 6.5.2
2.Side.a.Telecommunications Carrier Facilities: Not less than ten (10) feet from the lot line.b.Small Wind Energy Conversion Systems (noncommercial): 1.1 times the WECS total height.c.WECS Towers: Subject to standards set forth in Section 7.2 ("Wind Energy Conversion Systems").d.Other uses:1.Principal Structure: Not less than fifteen (15) feet from the property line.2.Accessory Structure: Not l...
Structure Height Limits
Homes in Peoria County's R-1 Low Density Residential District cannot exceed three stories or 36 feet, whichever is less. Exempt features like chimneys, spires, and rooftop equipment may rise up to 15 feet above the average roofline without a special use permit.
Peoria County R-1 Residential Height Limits
Some RestrictionsPeoria County Unified Development Ordinance § 6.5.4
6.5.4 Maximum Height.1.Agriculture and Exempt Public Utility Structures: n/a.2.Telecommunications Carrier Facilities: Subject to standards set forth in Section 7.1 ("Telecommunications Carrier Facilities").3.Wind Energy Conversion Systems: Subject to standards set forth in Section 7.2 ("Wind Energy Conversion Systems").4.Commercial Solar Energy Facility: subject to standards set forth in Sectio...
Lot Coverage Limits
In Peoria County's R-1 Low Density Residential District, structures may occupy no more than 30 percent of a lot's area. Agricultural uses, telecommunications carrier facilities, and exempt public utility structures are excluded from the cap entirely.
Peoria County R-1 Lot Coverage Limits
Some RestrictionsPeoria County Unified Development Ordinance § 6.5.3
6.5.3 Maximum Lot Coverage. 1. Agriculture, Telecommunications Carrier Facilities and Exempt Public Utility Structures: n/a. 2. All Other Uses: No more than thirty (30) percent of the area of the lot may be occupied by structures.
Building Setbacks & Zoning by City in Peoria County
1 cities in Peoria County have their own building setbacks & zoning rules. Each link goes to that city's dedicated page with code citations.
All Peoria County ordinances
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