Building Setbacks & Zoning in Kankakee County, IL (2026)
3 rules for unincorporated Kankakee County, Illinois.
Verified from official government sources
Setback Rules
County Code § 121-292 tells unincorporated Kankakee County landowners exactly where a setback line starts: from the platted or assumed right-of-way on a public or private street, or from the property line for interior side and rear yards. Every district's numeric setback then measures from that line.
Kankakee County Setback Measurement Rules
Some RestrictionsKankakee County Code § 121-292
Setback lines for all buildings, structures, and uses established or commenced after the effective date of the ordinance from which this chapter is derived and all alterations, enlargements or the additions to the structures which existed prior to the effective date of the ordinance from which this chapter is derived shall herein after conform to these regulations: ... (1)Setback lines for yard...
Structure Height Limits
In unincorporated Kankakee County, a single-family home in the R1 district cannot rise above two and a half stories or 35 feet, whichever is lower. The same 2½-story, 35-foot cap governs the A2 rural estate and R2 high-density residential districts. The Zoning Board of Appeals and county board handle any variance request before construction can proceed.
Kankakee County Residential Height Limit
Some RestrictionsKankakee County Code § 121-146(h)
(h)Height. Height shall be not more than 2½ stories, or 35 feet, whichever is lower.
Lot Coverage Limits
In the R1 Single-Family Residence District, unincorporated Kankakee County caps lot coverage at 30 percent of lot size, pairs it with a 0.2 floor area ratio ceiling, and limits building height to two and a half stories or 35 feet, whichever is lower.
Lot Coverage Limit, R1 District, Kankakee County
Some RestrictionsKankakee County Code § 121-146(f)-(h)
(f)Floor area ratio. Ratio not to exceed 0.2.(g)Lot coverage. Lot coverage shall not exceed 30 percent of the lot size.(h)Height. Height shall be not more than 2½ stories, or 35 feet, whichever is lower.
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