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Kankakee County, IL Fence Regulations: Fence Permit Requirements (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Permit required for
fences, per residential fee schedule
Filed with
County Planning Department Building Division
Front-yard open fence limit
4 feet
Side/rear fence limit
6 feet
Barbed/electric fencing
barred in residential districts
Unpermitted work fine
up to $500 per day

Summary

A fence built in unincorporated Kankakee County falls under the same building-permit law as any other structure: nobody may construct one without first filing an application with the Planning Department's building division. The county's residential fee schedule lists fences by name among the improvements that trigger a building-permit fee before work starts.

These county ordinances apply to unincorporated areas of Kankakee County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

It shall be unlawful to construct, enlarge, alter or demolish a structure; or change the occupancy of a building or structure requiring greater strength, exit, or sanitary provisions; or to change to another use; or to install or alter any equipment for which provision is made or the installation of which is regulated by this chapter, without first filing an application with the building division in writing and obtaining the required permit thereafter. ... Residential fees shall apply to all single-family dwellings, multifamily dwellings, manufactured homes including, but not limited to, their construction, repairing, remodeling, or maintenance. It shall also include all accessory buildings or structures, swimming pools (24 inches or deeper), room additions, roofs, decks, fences, siding, garages, brick work ...

Full Breakdown

without first filing an application with the building division in writing and obtaining the required permit thereafter,' and the county's residential fee schedule in Section 105-166(a) confirms fences fall inside that rule: residential permit fees apply to 'accessory buildings or structures, swimming pools (24 inches or deeper), room additions, roofs, decks, fences, siding, garages, brick work' and more. Because the fee schedule is triggered only when a permit is required, listing fences there establishes that a fence needs the same building-division application, plan review, and fee payment as a deck or garage.

The application goes through the same process as any other structure: it is filed with the building division, reviewed under Section 105-67, and the permit fee is assessed on the value of the work under Section 105-70 and Section 18-1. Beyond the building permit, a fence must also meet the zoning chapter's dimensional standards at Section 121-285: open fences to the front of the house are capped at four feet, side and rear fences up to six feet if semisolid or solid, and barbed wire or electric fencing is barred from residential districts and must sit at least ten feet from a residential boundary line. Fences at a street corner must also respect the 30-inch sight-triangle limit in Section 121-282(c).

Violations & Fines

Building a fence without first obtaining the required permit is a Chapter 105 violation. Section 105-131 lets the code enforcement officer issue a written stop-work notice, imposes a fine of up to $500 for each day the unpermitted work continues, and adds a penalty fee under Section 18-1 for anyone who starts installation before the permit is issued. A fence that violates the zoning height or setback limits in Section 121-285, such as a solid fence over six feet or barbed wire inside a residential district, is also subject to zoning enforcement and can be ordered removed or relocated.

Frequently Asked Questions

Do I need a permit to put up a fence in unincorporated Kankakee County?
Yes. § 105-166(a) lists fences among the improvements covered by the residential building permit fee schedule, and § 105-66 makes it unlawful to construct any structure, which includes a fence, without first getting a building division permit.
How tall can a fence be in unincorporated Kankakee County?
§ 121-285 caps open front-yard fences at four feet, and allows semisolid or solid side and rear fences up to six feet with the finished side facing out; industrial-district fences may reach 12 feet.
Is barbed wire allowed on a residential fence?
No. § 121-285(a)(5) bars barbed wire and electric fencing from any residential district or platted residential subdivision, and even outside those areas it must sit at least ten feet from a residential district boundary line.
What happens if I build a fence without a Kankakee County permit?
§ 105-131 authorizes a written stop-work notice and a fine of up to $500 for each day the unpermitted work continues, plus an added fee under § 18-1 once you apply for the permit after the fact.

Sources & Official References

Other rules in Kankakee County

All Kankakee County rules

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