East Honolulu vs Mililani Town
How do dark sky rules rules compare between East Honolulu, HI and Mililani Town, HI?
East Honolulu has fewer restrictions than Mililani Town.
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 →Mililani Town, HI
Honolulu County
Mililani Town's commercial lighting must use full cut-off shielded fixtures to prevent spillover into residential zones and preserve night skies under county and state policy.
View full Mililani Town rules →Key Facts Comparison
| Fact | East Honolulu | Mililani Town |
|---|---|---|
| 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.
Mililani Town FAQ
Does Mililani Tech Park lighting meet the rule?
New or replacement fixtures must comply. Legacy fixtures may be subject to retrofit orders on complaint.
Are HOA park lights covered?
Outdoor recreational facilities fall under the provision and must use shielded fixtures.
Compare other topics
See how East Honolulu and Mililani Town compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool