Security Light Shielding: Des Plaines vs Oak Park
How do security light shielding rules compare between Des Plaines, IL and Oak Park, IL?
Des Plaines and Oak Park have similar restriction levels.
Des Plaines, IL
Cook County
Cook County Code Ch. 38 environmental nuisance provisions and Ch. 102 zoning lighting standards require security and floodlights in unincorporated areas to be fully shielded full-cutoff fixtures aimed downward, with light trespass capped at the property line and color temperatures preferably under 3000 Kelvin.
View full Des Plaines rules →Oak Park, IL
Cook County
Cook County Code Ch. 38 environmental nuisance provisions and Ch. 102 zoning lighting standards require security and floodlights in unincorporated areas to be fully shielded full-cutoff fixtures aimed downward, with light trespass capped at the property line and color temperatures preferably under 3000 Kelvin.
View full Oak Park rules →Key Facts Comparison
| Fact | Des Plaines | Oak Park |
|---|---|---|
| Fixture standard | Full-cutoff downward aimed | Full-cutoff downward aimed |
| Trespass cap | 0.1 foot-candles property line | 0.1 foot-candles property line |
| Color temperature | 3000 Kelvin or warmer | 3000 Kelvin or warmer |
| Code basis | Cook Ch. 38 and Ch. 102 | Cook Ch. 38 and Ch. 102 |
| Residential | Often exempt but actionable | Often exempt but actionable |
Highlighted rows indicate differences between cities.
Des Plaines FAQ
Does a homeowner need a permit for security lights?
Single-family residential security lights generally do not require a permit in unincorporated Cook County, but they must not trespass onto neighboring property. Commercial and multifamily lighting plans need site plan review under Ch. 102 zoning.
What counts as light trespass?
Light from your fixtures crossing the property line and falling on a neighbor's house or yard at more than about 0.1 foot-candles is light trespass. Full-cutoff shields, downward aiming, and lower wattage usually solve the problem.
Can my neighbor force me to shield my floodlight?
Yes if it trespasses or creates a nuisance. The neighbor can complain to county code enforcement under Ch. 38 nuisance provisions. Inspectors can order shielding, redirection, or removal; failure to comply triggers fines and administrative hearings.
Oak Park FAQ
Does a homeowner need a permit for security lights?
Single-family residential security lights generally do not require a permit in unincorporated Cook County, but they must not trespass onto neighboring property. Commercial and multifamily lighting plans need site plan review under Ch. 102 zoning.
What counts as light trespass?
Light from your fixtures crossing the property line and falling on a neighbor's house or yard at more than about 0.1 foot-candles is light trespass. Full-cutoff shields, downward aiming, and lower wattage usually solve the problem.
Can my neighbor force me to shield my floodlight?
Yes if it trespasses or creates a nuisance. The neighbor can complain to county code enforcement under Ch. 38 nuisance provisions. Inspectors can order shielding, redirection, or removal; failure to comply triggers fines and administrative hearings.
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