Dark Sky Rules: Chicago vs Des Plaines
How do dark sky rules rules compare between Chicago, IL and Des Plaines, IL?
Chicago has fewer restrictions than Des Plaines.
Chicago, IL
Cook County
Chicago does not have a dedicated dark sky ordinance. Outdoor lighting is addressed through building codes, zoning requirements, and nuisance provisions, but there are no specific regulations targeting light pollution or requiring dark-sky-compliant fixtures.
View full Chicago rules →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 →Key Facts Comparison
| Fact | Chicago | Des Plaines |
|---|---|---|
| Dark Sky Ordinance | None - Chicago has no dedicated regulation | - |
| Nuisance Code | MCC 4-4-313 addresses outdoor lighting for nuisance businesses | - |
| State Law | No Illinois dark sky legislation | - |
| Energy Code | Efficiency standards only, not light pollution | - |
| Complaints | Handled through nuisance provisions | - |
| Commercial Fixtures | - | Full cutoff required |
| Property Line | - | 0.1-0.5 fc max |
| Uplighting | - | Restricted |
| Residential | - | Nuisance limit |
| Holiday Lights | - | Exempt |
Highlighted rows indicate differences between cities.
Chicago FAQ
Does Chicago have dark sky regulations?
No. Chicago does not have a dedicated dark sky ordinance. Outdoor lighting is regulated only through building codes, zoning requirements, and general nuisance provisions.
Can I complain about a neighbor's outdoor lights in Chicago?
You can file a nuisance complaint through 311 if outdoor lighting from a neighboring property is unreasonably intrusive. There is no specific light trespass ordinance, but general nuisance provisions may apply.
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.
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