Building Setbacks & Zoning in Kendall County, IL (2026)
3 rules for unincorporated Kendall County, Illinois.
Verified from official government sources
Setback Rules
In the R-1 district covering unincorporated Kendall County residential lots, front yards run 100-150 feet from the roadway or right-of-way depending on road class, and side and rear yards must each be at least 50 feet.
Kendall County R-1 Yard Setbacks
Some RestrictionsKendall County Code § 36-332
Yard area regulations in the R-1 district shall be as follows:(1)Front yard. Every building hereafter erected or enlarged shall provide and maintain a front yard as follows:a.One hundred fifty feet (150) feet from the roadway centerline when fronting on a Federal, State or County roadway or one hundred (100) feet from the right-of-way, whichever is greater.b.Fifty (50) feet from the right-of-wa...
Structure Height Limits
In the R-1 district covering unincorporated Kendall County residential lots, single-family detached dwellings are capped at 40 feet and two and a half stories, while other nonresidential permitted or conditional buildings top out at 45 feet and three stories.
Kendall County R-1 Building Height Limit
Some RestrictionsKendall County Code § 36-334
No building or structure shall be erected or structurally altered to exceed the following heights:(1)One (1) family detached dwellings: forty (40) feet and not more than two and one-half (2½) stories.(2)Other nonresidential permitted or conditional buildings and structures: forty-five (45) feet and not more than three (3) stories.(3)Special uses: Maximum height limitations shall be specified wi...
Lot Coverage Limits
In the R-1 district covering unincorporated Kendall County residential lots, buildings and structures, including accessory buildings, may not occupy more than 10 percent of the zoning lot's area.
Kendall County R-1 Lot Coverage Cap
Some RestrictionsKendall County Code § 36-333
No more than ten (10) percent of the area of the zoning lot may be occupied by buildings and structures, including accessory buildings.
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