Dark Sky Rules: Ewa Gentry vs Urban Honolulu
How do dark sky rules rules compare between Ewa Gentry, HI and Urban Honolulu, HI?
Urban Honolulu has fewer restrictions than Ewa Gentry.
Ewa Gentry, HI
Honolulu County
Ewa Gentry's commercial and recreational lighting must use full cut-off shielded fixtures to protect residential neighborhoods and the Ewa Plain's darker skies.
View full Ewa Gentry rules →Urban Honolulu, HI
Honolulu County
Honolulu's LUO 21-4.100 requires full cut-off shielded outdoor lighting for commercial, industrial, and outdoor-recreational development so that direct illumination does not spill into residential or resort districts, complementing the state night sky strategy.
View full Urban Honolulu rules →Key Facts Comparison
| Fact | Ewa Gentry | Urban Honolulu |
|---|---|---|
| - | - | |
| Code section | - | LUO 21-4.100 |
| Fixture type | - | Full cut-off shielded |
| Scope | - | Commercial, industrial, rec |
| Rooftop areas | - | Shielded beyond edge |
| State policy | - | HRS 201-8.5 |
Highlighted rows indicate differences between cities.
Ewa Gentry FAQ
Do Ewa Plain sports field lights qualify?
Outdoor recreational fixtures fall under the rule. Newly installed lighting must meet full cut-off shielding.
Does the rule cover residential porch lights?
The ordinance primarily targets commercial and recreational installations. Residential fixtures are addressed via nuisance.
Urban Honolulu FAQ
Do Honolulu rooftop bars need special lighting?
Yes. Non-enclosed rooftop gathering areas must be shielded under LUO 21-4.100 so that direct illumination does not extend beyond the rooftop edge.
Does the dark-sky rule apply to my house?
LUO 21-4.100 targets commercial, industrial, and outdoor-recreational development. Residential lighting is addressed through nuisance rules and spillover prohibitions.
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