Height Limits: Honolulu vs Waipahu
How do height limits rules compare between Honolulu, HI and Waipahu, HI?
Honolulu and Waipahu have similar restriction levels.
Honolulu, HI
Honolulu County
Honolulu's Land Use Ordinance limits residential fences to 6 feet in side and rear yards and 4 feet in front yards. Fences over 6 feet require a Department of Planning and Permitting building permit.
View full Honolulu 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 | Honolulu | Waipahu |
|---|---|---|
| Side/rear yard max height | 6 feet (no permit) | - |
| Front yard max height | 4 feet residential | - |
| Permit-free threshold | 30 inches or under | - |
| Permit required above | 6 feet | - |
| Enforcing agency | Dept. of Planning and Permitting | - |
| 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.
Honolulu FAQ
Do I need a permit for a 6-foot privacy fence in a residential area?
A fence between 30 inches and 6 feet may qualify for Honolulu's instant online permit. Fences over 6 feet require a full building permit with structural review from DPP.
Are there different rules for corner lots?
Yes. Corner lots must comply with sight-triangle requirements to preserve driver and pedestrian visibility, potentially limiting fence height and placement near intersections.
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.
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