Height Limits: Mililani Mauka vs Urban Honolulu
How do height limits rules compare between Mililani Mauka, HI and Urban Honolulu, HI?
Mililani Mauka and Urban Honolulu have similar restriction levels.
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 →Urban Honolulu, HI
Honolulu County
Urban Honolulu enforces the islandwide Land Use Ordinance at ROH 21-4.60 to limit fence, wall, and hedge heights in Waikiki, Ala Moana, Manoa, and other CDP neighborhoods.
View full Urban Honolulu rules →Key Facts Comparison
| Fact | Mililani Mauka | Urban Honolulu |
|---|---|---|
| - | - | |
| Front yard max | - | 4 feet |
| Side/rear max | - | 6 feet |
| Frontage trigger | - | 36 inches |
| Code section | - | ROH 21-4.60 |
Highlighted rows indicate differences between cities.
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.
Urban Honolulu FAQ
How tall can my fence be in Urban Honolulu?
Most residential and apartment districts in the Honolulu CDP allow 6-foot side and rear fences and 4-foot front fences under ROH 21-4.60. Special districts like Waikiki have stricter view-corridor rules.
Does Waikiki have extra fence rules?
Yes. The Waikiki Special District adds design and view-corridor controls layered on top of ROH 21-4.60. Fences along street frontages over 36 inches may require landscape screening to preserve sight lines.
Compare other topics
See how Mililani Mauka and Urban Honolulu 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