Light Trespass: Kirkland vs Renton
How do light trespass rules compare between Kirkland, WA and Renton, WA?
Kirkland and Renton have similar restriction levels.
Kirkland, WA
King County
Kirkland prohibits light trespass from one property onto another under KMC Title 115 lighting standards and nuisance provisions, with enforcement through Neighborhood Services when complaints are substantiated.
View full Kirkland 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 | Kirkland | Renton |
|---|---|---|
| Code | KMC Title 115 + Title 21 | - |
| Standard | Shielded downward lighting | - |
| Commercial | Property-line illumination cap | - |
| Holiday Lights | Seasonal leniency | - |
| Report | EyeOnKirkland | - |
| 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.
Kirkland FAQ
My neighbor's security light shines into my bedroom. What can I do?
First ask the neighbor to reaim or shield the fixture. If that fails, file a complaint through EyeOnKirkland; Neighborhood Services can order shielding or changes under the lighting standards.
Can I keep my Christmas lights up year-round in Kirkland?
Seasonal holiday lighting is allowed, but leaving lights illuminated long after the season and causing trespass onto neighbors may be treated as a nuisance.
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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