Dark Sky Rules: Evanston vs Oak Park
How do dark sky rules rules compare between Evanston, IL and Oak Park, IL?
Evanston has fewer restrictions than Oak Park.
Evanston, IL
Cook County
Cook County does not have a specific dark sky ordinance for unincorporated areas. Lighting is regulated through zoning ordinance provisions and general nuisance standards. Cook County Forest Preserves maintain dark areas within the county.
View full Evanston rules →Oak Park, IL
Cook County
Oak Park regulates outdoor lighting to minimize light pollution and glare in residential neighborhoods. The village's zoning ordinance requires outdoor lighting fixtures to be directed downward and shielded to prevent light trespass onto adjacent properties. Commercial properties face additional lighting standards. Full cutoff fixtures are encouraged.
View full Oak Park rules →Key Facts Comparison
| Fact | Evanston | Oak Park |
|---|---|---|
| Dark Sky Ordinance | None at county level | - |
| Regulation | Zoning + nuisance provisions | - |
| Forest Preserves | Dark areas maintained | - |
| Fine | $100–$1,000 if nuisance | - |
| Shielding Required | - | Downward-directed fixtures |
| Full Cutoff | - | Encouraged for all installations |
| Light Trespass | - | Prohibited at property line |
| Commercial Standards | - | Max foot-candles at property line |
| Code Enforcement | - | (708) 358-5440 |
Highlighted rows indicate differences between cities.
Evanston FAQ
Does Cook County have dark sky rules?
No specific dark sky ordinance. Outdoor lighting is regulated through zoning provisions and general nuisance standards.
Can I complain about a neighbor's bright lights?
Yes. Excessive outdoor lighting that disturbs neighbors may be addressed through general nuisance provisions or zoning enforcement.
Oak Park FAQ
Does Oak Park have dark sky lighting rules?
While Oak Park does not have a standalone dark sky ordinance, its zoning and building codes require outdoor lighting to be directed downward and shielded to prevent light trespass and glare onto neighboring properties.
Can my neighbor's flood light shine into my yard?
No. Outdoor lighting must be positioned and shielded to avoid illuminating adjacent properties. You can file a complaint with Code Enforcement at (708) 358-5440 if a neighbor's lighting causes light trespass.
What type of outdoor fixtures does Oak Park recommend?
Full cutoff fixtures that eliminate upward light emission are encouraged. All outdoor lighting should be directed downward and shielded so the light source is not visible from neighboring properties.
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