Dark Sky Rules: Des Plaines vs Evanston
How do dark sky rules rules compare between Des Plaines, IL and Evanston, IL?
Evanston has fewer restrictions than Des Plaines.
Des Plaines, IL
Cook County
Des Plaines's zoning ordinance regulates outdoor lighting to minimize glare, light trespass, and skyglow. Commercial and parking lot lighting must use full cutoff fixtures and meet maximum illumination limits at property lines. Residential lighting is less strictly regulated but must not create nuisance glare on neighboring properties.
View full Des Plaines rules →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 →Key Facts Comparison
| Fact | Des Plaines | Evanston |
|---|---|---|
| Commercial Fixtures | Full cutoff required | - |
| Property Line | 0.1-0.5 fc max | - |
| Uplighting | Restricted | - |
| Residential | Nuisance limit | - |
| Holiday Lights | Exempt | - |
| Dark Sky Ordinance | - | None at county level |
| Regulation | - | Zoning + nuisance provisions |
| Forest Preserves | - | Dark areas maintained |
| Fine | - | $100–$1,000 if nuisance |
Highlighted rows indicate differences between cities.
Des Plaines FAQ
Does Des Plaines have a dark sky ordinance?
The City does not have a formal dark sky designation, but its zoning lighting standards require full cutoff fixtures for commercial lighting and limit light trespass at residential property lines.
Can my neighbor's bright security light shine into my window?
Excessive light trespass into a living area may be a nuisance violation. Try a neighborly conversation first; if unresolved, contact Code Enforcement at (847) 391-5300.
What lighting rules apply to my yard?
Residential outdoor lighting is loosely regulated, but fixtures should be aimed and shielded to avoid significant glare or light trespass onto neighboring properties.
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.
Compare other topics
See how Des Plaines and Evanston compare on other ordinance categories.
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