Structure Height Limits: Kailua vs Mililani Mauka
How do structure height limits rules compare between Kailua, HI and Mililani Mauka, HI?
Kailua and Mililani Mauka have similar restriction levels.
Kailua, HI
Honolulu County
ROH Sec. 21-4.60 caps building heights and defines building envelope planes for Kailua structures. Residential districts typically allow 25 to 30 feet, protecting windward viewsheds and ocean breezes.
View full Kailua rules →Mililani Mauka, HI
Honolulu County
ROH Sec. 21-4.60 sets maximum structure heights for Mililani Mauka, with residential districts typically capping homes at 25 to 30 feet and applying sloped envelope planes.
View full Mililani Mauka rules →Key Facts Comparison
| Fact | Kailua | Mililani Mauka |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
Kailua FAQ
Can I build a two-story home in Kailua?
Yes, most residential zones allow two stories within the 25 to 30 foot height envelope under ROH 21-4.60.
Do solar panels count toward height?
Roof-mounted solar panels generally receive exceptions, but ground-mounted or racked systems may be limited by envelope rules.
Mililani Mauka FAQ
Can I add a second story to my Mauka home?
Second-story additions are possible but must fit within the 21-4.60 envelope planes and pass MTA design review.
Do decorative parapets count toward height?
Minor rooftop features often qualify for limited exceptions, but the specifics depend on the LUO and permit review.
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