Light Trespass: Federal Way vs Renton
How do light trespass rules compare between Federal Way, WA and Renton, WA?
Federal Way and Renton have similar restriction levels.
Federal Way, WA
King County
Federal Way treats neighbor light complaints as code nuisances. Lighting that directly shines onto another residential property, especially into windows, can be ordered corrected.
View full Federal Way rules →Renton, WA
King County
Renton limits light spillover onto neighbor property under RMC 4-4-075, generally to about 0.5 foot-candles at residential property lines. Nuisance lighting complaints are investigated by Code Compliance.
View full Renton rules →Key Facts Comparison
| Fact | Federal Way | Renton |
|---|---|---|
| Trigger | Light onto neighbor lot | - |
| Commercial limit | ~0.5 fc at residential line | - |
| First step | Shield or re-aim fixture | - |
| Enforcement | Federal Way Code Compliance | - |
| Spillover limit | - | About 0.5 foot-candles at residential line |
| Full cutoff | - | Required on non-residential |
| Nuisance | - | RMC Title 1 for excessive lighting |
| Complaints | - | Renton Code Compliance (425) 430-7373 |
| Common law | - | Nuisance remedies under WA law |
Highlighted rows indicate differences between cities.
Federal Way FAQ
Can I complain about a neighbor floodlight?
Yes, file a code complaint describing the fixture and its impact on your windows or yard.
Is there a wattage limit?
No fixed watt cap for residential, but the light must be shielded so it does not trespass onto adjacent property.
Renton FAQ
My neighbors security light shines in my bedroom. What can I do?
Talk with the neighbor first. If that fails, contact Renton Code Compliance to investigate whether it rises to a nuisance under city code.
Is there a specific decibel-like metric for light brightness?
Yes. Light levels are measured in foot-candles or lux at the property line with a calibrated meter during nighttime hours.
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