Height Limits: East Honolulu vs Mililani Mauka
How do height limits rules compare between East Honolulu, HI and Mililani Mauka, HI?
East Honolulu and Mililani Mauka have similar restriction levels.
East Honolulu, HI
Honolulu County
East Honolulu affluent neighborhoods like Hawaii Kai, Kuliouou, and Niu Valley apply ROH 21-4.60 fence height caps, with strict oceanfront and ridge view-corridor enforcement by Honolulu DPP.
View full East Honolulu rules →Mililani Mauka, HI
Honolulu County
Mililani Mauka fences follow ROH Sec. 21-4.60, which triggers added setback or landscaping rules once a front-yard fence, wall, or hedge exceeds 36 inches in height.
View full Mililani Mauka rules →Key Facts Comparison
| Fact | East Honolulu | Mililani Mauka |
|---|---|---|
| Front yard max | 4 feet | - |
| Side/rear max | 6 feet | - |
| Street frontage trigger | 36 inches | - |
| Code section | ROH 21-4.60 | - |
| Enforcement | Honolulu DPP | - |
| - | - |
Highlighted rows indicate differences between cities.
East Honolulu FAQ
How tall can a Hawaii Kai front-yard fence be?
Most East Honolulu residential districts cap front-yard fences at 4 feet under ROH 21-4.60. Side and rear fences may reach 6 feet, with extra landscape rules for street frontages above 36 inches.
Do Portlock oceanfront lots have extra fence limits?
Yes. Shoreline setback and view-corridor rules layer onto ROH 21-4.60. DPP reviews oceanfront fences for sightline impacts and may require lower heights or transparent materials near the shoreline.
Mililani Mauka FAQ
Does MTA approval replace a city fence permit?
No. HOA approval is separate from the city permit; both may be required depending on height and location.
Can a front-yard hedge grow taller than 36 inches?
Hedges are treated like fences under ROH 21-4.60; added landscaping and setback rules apply above 36 inches.
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