Sign Regulations in Kendall County, IL (2026)
5 rules for unincorporated Kendall County, Illinois.
Verified from official government sources
Political Signs
Kendall County exempts political signs from its sign permit and standards regime entirely: item (13) of the exemption list simply names them, so an election or referendum sign faces only the article's general maintenance and public safety rules, not a size, number or timing limit.
Political Sign Exemption, Kendall County
Few RestrictionsKendall County Code §§ 36-1051(13), 36-2
The following signs shall be exempted from all but the maintenance and public safety requirements of this article. No permit is required for any sign designated as exempt below: ... (13)Political signs. ... Political sign means any sign displayed in conjunction with an official election or referendum, used on behalf of candidates for elected public office or to advocate a position on referenda.
Garage Sale Signs
Kendall County lets residents skip a sign permit for garage sale signs, but only if the sign is 5 square feet or smaller, limited to one per lot frontage, and posted no earlier than one week before the sale and only while it runs.
Garage Sale Sign Rules, Kendall County
Light RestrictionsKendall County Code § 36-1051(8)
The following signs shall be exempted from all but the maintenance and public safety requirements of this article. No permit is required for any sign designated as exempt below: ... (8)Garage/yard sale signs. A sign which advertises a residential garage sale, provided that such signs do not exceed five (5) square feet each, are located with no more than one (1) sign per lot frontage either on t...
Digital Billboards
Kendall County allows electronic message board displays only in business and manufacturing districts along an arterial or collector road, with a 2-second minimum hold, a 100-foot ban near homes, evening curfews near residences, and a dimming feature tied to ambient light.
Electronic Message Board Signs, Kendall County
Significant RestrictionsKendall County Code § 36-1057(c)(8)
Electronic message board display. Electronic message board displays are permitted in all business and manufacturing districts, subject to the following standards:a.The electronic message board must be located along an arterial or major collector roadway.b.Any individual letter scrolling or otherwise displayed on the electronic message board shall remain illuminated and visible for at least two ...
Window Signs
Kendall County exempts window signs from permits but caps them at 35 percent of the window surface per building face, bars them above the first floor, and lets the Zoning Administrator order removal of any that block visibility and create a safety hazard.
Window Sign Coverage Limit, Kendall County
Light RestrictionsKendall County Code § 36-1051(12)
Window signs. Window signs shall be affixed only to the interior surface of the glass and shall not be located on any windows above the first floor of the building. Such signs shall not exceed thirty-five (35) percent of the window surface area for each building face. Signs shall not be affixed in such a manner that a safety hazard to customers or staff of the establishment is created by the ob...
Freeway-Facing Signs
Unincorporated Kendall County bars new advertising signs and structures from standing within five hundred feet of any freeway, expressway, or toll road, along with public parks, forest preserves and schools. The rule sits in the manufacturing-district sign standards, the only zoning district where new off-premises billboards can even be sited, and it yields to any stricter state preemption.
Kendall County Freeway-Facing Sign Setback
Some RestrictionsKendall County Code § 36-1058(b)(2), (4)
(2)No advertising sign or structure shall be located within five hundred (500) feet of any public park, forest preserve, school, or any freeways, expressways and toll roads designated as such in the records of the governing authorities. ... (4)This section shall govern unless pre-empted by the laws of the State.
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