Height Limits: Mililani Mauka vs Waipahu
How do height limits rules compare between Mililani Mauka, HI and Waipahu, HI?
Mililani Mauka and Waipahu 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 →Waipahu, HI
Honolulu County
Waipahu plantation-era neighborhoods and dense working-class blocks apply ROH 21-4.60 fence height rules, with 6-foot side/rear caps and 4-foot front caps typical for R-5 lots.
View full Waipahu rules →Key Facts Comparison
| Fact | Mililani Mauka | Waipahu |
|---|---|---|
| - | - | |
| Front yard max | - | 4 feet |
| Side/rear max | - | 6 feet |
| Frontage trigger | - | 36 inches |
| Code section | - | ROH 21-4.60 |
| Special overlay | - | Waipahu Town Center |
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.
Waipahu FAQ
How tall can my Waipahu fence be?
ROH 21-4.60 caps Waipahu front-yard fences at 4 feet and side and rear fences at 6 feet. Fences over 36 inches along street frontages need extra landscape screening or setback for sight lines.
Are there stricter rules in Waipahu Town?
The Waipahu Town Center Special District adds design overlays but mostly targets commercial frontages. Residential fences in the adjacent plantation blocks follow standard ROH 21-4.60 height rules.
Compare other topics
See how Mililani Mauka and Waipahu 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