Dark Sky Rules: Evanston vs Tinley Park
How do dark sky rules rules compare between Evanston, IL and Tinley Park, IL?
Evanston has fewer restrictions than Tinley 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 →Tinley Park, IL
Cook County
Tinley Park does not have a comprehensive dark-sky ordinance but regulates outdoor lighting through general nuisance, light trespass, and commercial site lighting standards. Residential lighting that spills onto neighboring properties may be addressed under nuisance provisions. Commercial developments are subject to zoning-based lighting standards requiring full-cutoff fixtures and lumens limits.
View full Tinley Park rules →Key Facts Comparison
| Fact | Evanston | Tinley Park |
|---|---|---|
| Dark Sky Ordinance | None at county level | - |
| Regulation | Zoning + nuisance provisions | - |
| Forest Preserves | Dark areas maintained | - |
| Fine | $100–$1,000 if nuisance | - |
| Dark-Sky Ordinance | - | None comprehensive |
| Commercial Standard | - | Full-cutoff fixtures |
| Residential Property Line | - | 0.5 fc max typical |
| Commercial Property Line | - | 1.0 fc max typical |
| Photometric Plans | - | Required commercial |
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.
Tinley Park FAQ
Does Tinley Park have a dark-sky ordinance?
Not a comprehensive one. Commercial lighting has full-cutoff and photometric standards, but residential lighting is addressed through general nuisance and light trespass principles.
How bright can commercial property lighting be?
Photometric plans typically must show that light levels at residential property lines do not exceed 0.5 foot-candles and at commercial property lines do not exceed 1.0 foot-candle. Fixtures must be full-cutoff.
Can I stargaze in Tinley Park?
Urban light pollution makes dark-sky viewing difficult within Tinley Park. Driving to rural areas outside the metro, such as near Kankakee, provides better sky darkness for astronomy.
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