Outdoor Lighting in Kendall County, IL (2026)
2 rules for unincorporated Kendall County, Illinois.
Verified from official government sources
Light Trespass & Shielding
Kendall County caps how much light a nonresidential parking lot can throw onto a neighbor's property: 0.2 footcandles at a residential property line and only fully shielded, cut-off fixtures where the lot abuts homes, enforced through site plan and special use review by the PBZ Department.
Parking Lot Light Trespass, Kendall County
Some RestrictionsKendall County Code § 36-1013(11)(b), (d)(1)
b.To reduce glare onto adjacent properties, only fully shielded or cut-off light fixtures are allowed. Fully shielded means that no light is emitted above the horizontal plane of the luminaries. Flat lenses are allowed. Sag lenses and wall packs are prohibited. Abutting or nearby residential properties shall not be able to see the actual light source unless the luminaries are less than one hund...
Billboard Lighting
In unincorporated Kendall County, every illuminated sign, including any billboard or outdoor advertising structure permitted under the zoning code, must go dark between 11:00 p.m. and 7:00 a.m. whenever it is visible from a residential district. Internally lit signs may only shine light through their lettering and graphics, never through an unshielded background, and the Planning, Building and Zoning Department enforces the standard countywide.
Kendall County Billboard and Sign Lighting Curfew
Some RestrictionsKendall County Code § 36-1053(b)
(b)Illuminated signs. All illuminated signs shall be subject to the following requirements:(1)Signs shall be shaded wherever necessary to avoid casting bright light upon property located in any residential district. When a sign is visible from a residential district, it shall not be illuminated between the hours of 11:00 p.m. and 7:00 a.m.(2)Internally illuminated signs shall permit light to sh...
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