ADU Rules: Ewa Gentry vs Mililani Town
How do adu rules rules compare between Ewa Gentry, HI and Mililani Town, HI?
Ewa Gentry has fewer restrictions than Mililani Town.
Ewa Gentry, HI
Honolulu County
Ewa Gentry homeowners may build one accessory dwelling unit per zoning lot in eligible residential districts, subject to Honolulu LUO size, parking, occupancy, and rental duration rules under ROH Sec. 21-5.720.
View full Ewa Gentry rules →Mililani Town, HI
Honolulu County
Mililani Town homeowners may build one ADU per zoning lot under ROH Sec. 21-5.720, but HOA covenants and association design rules often impose additional restrictions on top of city code.
View full Mililani Town rules →Key Facts Comparison
| Fact | Ewa Gentry | Mililani Town |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
Ewa Gentry FAQ
Can I build an ADU on my Ewa Gentry lot?
If your lot meets the minimum size for your zoning district (commonly R-5 or R-3.5) and you can provide parking, one ADU is generally allowed under ROH Sec. 21-5.720. Check your HOA covenants first.
Can I rent my ADU on Airbnb?
No. Rentals under 30 days are prohibited in ADUs citywide. Only monthly or longer-term leases are allowed.
Mililani Town FAQ
Does Mililani Town allow ADUs?
City zoning allows one ADU per eligible lot, but the Mililani Town Association and your neighborhood association may restrict or prohibit them. Always check your CC&Rs first.
Can I rent my Mililani ADU short-term?
No. City rules require 30-day minimum rentals under ROH Sec. 21-5.720, and most Mililani HOAs additionally restrict short-term rentals.
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