Dark Sky Rules: East Honolulu vs Honolulu
How do dark sky rules rules compare between East Honolulu, HI and Honolulu, HI?
East Honolulu and Honolulu have similar restriction levels.
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 →Honolulu, HI
Honolulu County
Honolulu County's LUO 21-4.100 requires full cut-off shielded outdoor fixtures for commercial, industrial, and outdoor-recreational development to prevent direct illumination of nearby residential and resort districts, complementing state night sky policy.
View full Honolulu rules →Key Facts Comparison
| Fact | East Honolulu | Honolulu |
|---|---|---|
| Code section | ROH 21-4.100 | LUO 21-4.100 |
| Fixture type | Full cut-off shielded | Full cut-off shielded |
| Applies to | Commercial/industrial | - |
| State companion | HRS 201-8.5 | - |
| Rooftop rule | Shield beyond rooftop | - |
| Scope | - | Commercial, industrial, rec |
| Rooftop areas | - | Shielded beyond edge |
| State policy | - | HRS 201-8.5 |
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.
Honolulu FAQ
Do dark-sky rules apply to homes?
LUO 21-4.100 targets commercial, industrial, and outdoor-recreational development. Residential lighting is reached mainly through nuisance rules and shielding spillover requirements.
What is a full cut-off fixture?
A fixture that emits no light above the horizontal plane through the lamp, preventing upward glow and direct trespass onto adjacent properties.
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