Structure Height Limits: Kaneohe vs Waipahu
How do structure height limits rules compare between Kaneohe, HI and Waipahu, HI?
Kaneohe and Waipahu have similar restriction levels.
Kaneohe, HI
Honolulu County
ROH Sec. 21-4.60 limits building heights in Kaneohe residential zones, typically to 25 or 30 feet under envelope-plane rules. These caps protect Ko'olau mountain views and ocean breezes inland from the bay.
View full Kaneohe rules →Waipahu, HI
Honolulu County
Waipahu structure heights follow ROH 21-4.60 with envelope planes in 21-3.70-1, typically 25 feet in R-5 districts and higher caps in A-1 and A-2 districts near Waipahu Town Center.
View full Waipahu rules →Key Facts Comparison
| Fact | Kaneohe | Waipahu |
|---|---|---|
| - | - | |
| R-5 height | - | 25 feet typical |
| A-1 / A-2 | - | Higher caps |
| Code section | - | ROH 21-4.60 |
| District companion | - | ROH 21-3.70-1 |
Highlighted rows indicate differences between cities.
Kaneohe FAQ
Can I add a third story to my Kaneohe home?
Usually not in R-5 zoning, as the 25 to 30 foot cap generally restricts residential structures to two stories plus roof.
Do rooftop decks count toward height?
Usable rooftop decks with railings often count as an additional story and may exceed envelope-plane limits; check with DPP.
Waipahu FAQ
How tall can a Waipahu home be?
Most Waipahu R-5 lots cap structure height at 25 feet under ROH 21-4.60 and 21-3.70-1 envelope planes. Apartment districts near Waipahu Town allow substantially taller buildings for multi-family use.
Can I add a third story to a plantation home?
Usually no without a variance. Adding a full third story typically exceeds the 25-foot R-5 envelope plane under ROH 21-4.60 and 21-3.70-1. Partial second-story additions are easier to permit.
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