Outdoor Lighting in Will County, IL (2026)

3 rules for unincorporated Will County, Illinois.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Will County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Dark Sky Rules

Unincorporated Will County caps outdoor light spillover at 0.5 to 1.0 footcandles at the property line and requires all fixtures to be shielded from neighbors and roads.

Will County Outdoor Lighting Shielding Limits

Some Restrictions

Will County Code § 155-14.110(B)(1)-(3)

(1) Outdoor lighting may not exceed 0.50 footcandles at any point on the abutting property if the subject property abuts a residential zoning district or a lot containing a residential use. (2) Outdoor lighting may not exceed 1.00 footcandles at the right-of-way line or at any point on the abutting property if the subject property abuts a non-residential zoning district or lot containing a nonr...

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Light Trespass & Shielding

Unincorporated Will County caps outdoor light spillover at 0.5 to 1.0 footcandles at the property line and bans search lights and lasers.

Will County Outdoor Lighting Limits

Some Restrictions

Will County Code § 155-14.110

Outdoor lighting may not exceed 0.50 footcandles at any point on the abutting property if the subject property abuts a residential zoning district or a lot containing a residential use. (2) Outdoor lighting may not exceed 1.00 footcandles at the right-of- way line or at any point on the abutting property if the subject property abuts a non-residential zoning district or lot containing a...

Full ordinance details →Official source ↗

Billboard Lighting

Illuminated billboards in unincorporated Will County must use shielded, downward-cast fixtures and can't spill more than 0.1 footcandles onto nearby residential land.

Will County Billboard Lighting Rules

Some Restrictions

Will County Code § 155-13.140

Externally illuminated signs may be illuminated only with stationary, downward-cast, shielded light sources that direct light solely onto the face of the sign. Light bulbs or light tubes, excluding neon, used for illuminating such signs must be shielded or positioned so that they are not visible from public rights-of-way or residential zoning districts. [https://export.amlegal.com/media/8d2c19b...

Full ordinance details →Official source ↗

All Will County ordinances

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