Light Trespass: East Honolulu vs Urban Honolulu
How do light trespass rules compare between East Honolulu, HI and Urban Honolulu, HI?
East Honolulu and Urban Honolulu have similar restriction levels.
East Honolulu, HI
Honolulu County
East Honolulu light trespass is controlled through the shielding and cutoff requirements in ROH 21-4.100, preventing direct illumination onto residential neighborhoods in Hawaii Kai, Aina Haina, and Kuliouou.
View full East Honolulu rules →Urban Honolulu, HI
Honolulu County
Honolulu addresses light trespass through LUO 21-4.100 shielding and full cut-off fixture requirements rather than a foot-candle property-line standard, with ROH Chapter 41 Public Nuisance available as backup enforcement in residential cases.
View full Urban Honolulu rules →Key Facts Comparison
| Fact | East Honolulu | Urban Honolulu |
|---|---|---|
| Code section | ROH 21-4.100 | - |
| Method | Full cut-off shielding | - |
| Foot-candle limit | None set | - |
| Nuisance backstop | ROH Ch. 41 | - |
| Protected zones | Residential, country | - |
| Primary tool | - | LUO 21-4.100 shielding |
| Foot-candle limits | - | None specified |
| Backup | - | ROH Ch. 41 nuisance |
| Districts protected | - | Residential, resort, country |
| Rooftop rule | - | Beyond-edge shielding |
Highlighted rows indicate differences between cities.
East Honolulu FAQ
Can I measure light trespass at my Hawaii Kai property line?
Honolulu does not set a foot-candle limit. Enforcement requires proving noncompliant fixtures under LUO 21-4.100, not a numerical illuminance threshold.
What if my neighbor's floodlight shines into my Aina Haina window?
You can file a DPP complaint if the fixture is noncompliant commercial or recreational lighting, or pursue a public nuisance claim under ROH Chapter 41.
Are single-family home floodlights regulated?
LUO 21-4.100 targets commercial and recreational development. Single-family residential fixtures fall under nuisance law rather than the zoning shielding rule.
Urban Honolulu FAQ
My neighbor's sign floods my bedroom. What can I do?
If the source is a commercial or recreational use, request LUO 21-4.100 enforcement. For residential-to-residential cases, a public nuisance complaint under ROH Chapter 41 may apply.
Is there a property-line brightness cap?
No. Honolulu does not set a foot-candle limit at property lines. Compliance turns on whether fixtures are full cut-off and properly shielded toward protected districts.
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