ADU Rules: Ewa Gentry vs Waipahu
How do adu rules rules compare between Ewa Gentry, HI and Waipahu, HI?
Ewa Gentry and Waipahu have similar restriction levels.
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 →Waipahu, HI
Honolulu County
Waipahu homeowners in this dense former plantation town may build one accessory dwelling unit per zoning lot in eligible residential districts, supporting multi-generational Filipino households under the Honolulu LUO.
View full Waipahu rules →Key Facts Comparison
| Fact | Ewa Gentry | Waipahu |
|---|---|---|
| - | - |
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.
Waipahu FAQ
Can I add an ADU for my parents moving to Waipahu?
Yes, if your lot is in an eligible residential district and meets ADU standards. Long-term family occupancy is allowed; short-term rental under 30 days is not.
Is the minimum lot size hard to meet in Waipahu?
Sometimes. Waipahu has many small plantation-era lots. Check your lot's zoning and size with DPP before designing an ADU.
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