Dark Sky Rules: East Honolulu vs Kailua
How do dark sky rules rules compare between East Honolulu, HI and Kailua, HI?
East Honolulu has fewer restrictions than Kailua.
East Honolulu, HI
Honolulu County
East Honolulu commercial, industrial, and recreational development must use full cut-off shielded fixtures under ROH 21-4.100, protecting Hawaii Kai and Aina Haina residential skies and Koko Head observations.
View full East Honolulu rules →Kailua, HI
Honolulu County
Commercial, industrial, and outdoor-recreation lighting in Kailua must use full cut-off shielded fixtures to protect night skies and adjacent residential areas, consistent with state night sky policy.
View full Kailua rules →Key Facts Comparison
| Fact | East Honolulu | Kailua |
|---|---|---|
| Code section | ROH 21-4.100 | - |
| Fixture type | Full cut-off shielded | - |
| Applies to | Commercial/industrial | - |
| State companion | HRS 201-8.5 | - |
| Rooftop rule | Shield beyond rooftop | - |
| - | - |
Highlighted rows indicate differences between cities.
East Honolulu FAQ
Do residential homes in Aina Haina need full cut-off lighting?
LUO 21-4.100 targets commercial, industrial, and recreational development. Single-family residential fixtures are not directly regulated, but light trespass rules still apply.
Are rooftop bars in Hawaii Kai regulated?
Yes. Non-enclosed rooftop gathering spaces must shield lighting to eliminate illumination beyond the rooftop, protecting neighboring residential views.
What is a full cut-off fixture?
A fixture designed so no light is emitted above horizontal, directing all output downward. This is the standard required by ROH 21-4.100.
Kailua FAQ
Does this apply to my home security light?
Residential single-family fixtures are not the main focus, but trespass onto neighbors can still be actionable under nuisance rules.
Is rooftop restaurant lighting covered?
Yes. Non-enclosed rooftop spaces must be shielded to prevent light from escaping beyond the rooftop.
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