Light Trespass: Des Plaines vs Tinley Park
How do light trespass rules compare between Des Plaines, IL and Tinley Park, IL?
Des Plaines and Tinley Park have similar restriction levels.
Des Plaines, IL
Cook County
Des Plaines's zoning code limits light trespass onto adjacent residential properties. Commercial fixtures must be shielded and the illumination at residential property lines is typically capped at 0.1 to 0.5 foot-candles. Excessive residential security lighting that shines into a neighbor's home may be subject to nuisance enforcement.
View full Des Plaines rules →Tinley Park, IL
Cook County
Tinley Park addresses light trespass (light from one property spilling onto another) through general nuisance provisions and commercial site lighting standards. Residential fixtures should be shielded or directed to avoid shining directly into neighboring windows or yards. Unreasonable light intrusion can be addressed through Village code enforcement or private nuisance action.
View full Tinley Park rules →Key Facts Comparison
| Fact | Des Plaines | Tinley Park |
|---|---|---|
| Residential Line | 0.1 fc typical | - |
| Non-Res Line | 0.5 fc typical | - |
| Shielding | Full cutoff required | - |
| Residential Limit | Nuisance standard | - |
| Enforcement | (847) 391-5300 | - |
| Commercial Limit | - | 0.5 fc at residential line |
| Residential | - | Nuisance principles |
| Fixtures | - | Full-cutoff preferred |
| Security Lights | - | Motion-activated |
| LED Color | - | Warm preferred |
Highlighted rows indicate differences between cities.
Des Plaines FAQ
What is light trespass?
Light trespass is unwanted illumination spilling from one property onto another. Des Plaines limits commercial lighting to low levels at residential property lines and addresses egregious residential cases as nuisance.
My neighbor's floodlight shines into my bedroom — what can I do?
Try a friendly conversation first. If unresolved, contact Des Plaines Code Enforcement at (847) 391-5300; persistent significant light trespass may be addressed under nuisance provisions.
Are motion sensor lights better?
Yes. Motion sensor lights with short timers reduce light trespass and energy use compared to dusk-to-dawn floodlights, while still providing security benefits.
Tinley Park FAQ
What is light trespass?
Light trespass is unwanted illumination from one property spilling onto another. A neighbor's unshielded floodlight shining into your bedroom window is a classic example.
How do I report a light trespass problem?
Start with a friendly conversation with the neighbor. If unresolved, contact Tinley Park Code Enforcement at (708) 444-5100. Commercial property issues are addressed through zoning enforcement.
What lighting works well without bothering neighbors?
Full-cutoff or shielded fixtures aimed downward, motion-activated security lights rather than continuous floodlights, and warm-white LEDs (3000K or lower) are best practices.
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