ADU Rules: Ewa Gentry vs Urban Honolulu
How do adu rules rules compare between Ewa Gentry, HI and Urban Honolulu, HI?
Ewa Gentry and Urban Honolulu 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 →Urban Honolulu, HI
Honolulu County
Most Urban Honolulu lots sit in apartment or mixed-use zones where ADUs under ROH Sec. 21-5.720 are not permitted; ADUs are generally limited to R-5 through R-20 single-family neighborhoods like Manoa, Kaimuki, and Nuuanu.
View full Urban Honolulu rules →Key Facts Comparison
| Fact | Ewa Gentry | Urban Honolulu |
|---|---|---|
| - | - | |
| Code Section | - | ROH Sec. 21-5.720 |
| Urban Eligible Zones | - | R-5, R-7.5, R-10, R-20 |
| Not Eligible | - | A-1, A-2, BMX, B |
| Minimum Rental Term | - | 30 days |
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.
Urban Honolulu FAQ
Can I build an ADU on my Kakaako or Ala Moana condo lot?
No. ADUs are not allowed in A-1, A-2, or BMX mixed-use zones common in Kakaako and Ala Moana. ADUs are limited to residential R-5 through R-20 districts.
Can I build an ADU on my Manoa single-family lot?
Yes, if the lot meets R-5 or R-7.5 minimum size, parking, and setback rules under ROH Sec. 21-5.720 and you obtain a building permit.
Compare other topics
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