Tiny Homes: Kapolei vs Urban Honolulu
How do tiny homes rules compare between Kapolei, HI and Urban Honolulu, HI?
Urban Honolulu has fewer restrictions than Kapolei.
Kapolei, HI
Honolulu County
Permanent tiny homes in Kapolei are regulated as ADUs under ROH Sec. 21-5.720; tiny homes on wheels cannot be used as permanent residences in residential zones.
View full Kapolei rules →Urban Honolulu, HI
Honolulu County
Urban Honolulu has no dedicated tiny-home ordinance; permanent tiny homes are regulated as ADUs under ROH Sec. 21-5.720, which effectively limits them to R-5 through R-20 neighborhoods outside the dense apartment core.
View full Urban Honolulu rules →Key Facts Comparison
| Fact | Kapolei | Urban Honolulu |
|---|---|---|
| - | - | |
| Governing Section | - | ROH Sec. 21-5.720 |
| Building Code | - | ROH Sec. 16-1.1 |
| Wheeled Tiny Homes | - | Not permanent |
| Eligible Urban Zones | - | R-5 through R-20 |
Highlighted rows indicate differences between cities.
Kapolei FAQ
Can I live in a trailer parked on my lot?
No, RVs cannot be used as permanent dwellings on residential lots.
Is a 400-square-foot tiny home allowed?
Yes, if built on a foundation as an ADU meeting Sec. 21-5.720 standards.
Urban Honolulu FAQ
Can I place a tiny home on a Kakaako lot?
Generally no. Kakaako is mostly BMX and A-2 zoning, which does not allow ADUs. Tiny homes are limited to R-5 through R-20 districts under ROH Sec. 21-5.720.
Is a tiny house on wheels a legal residence in Urban Honolulu?
No. Wheeled tiny homes are treated as recreational vehicles and cannot be used as permanent dwellings in residential districts under the Land Use Ordinance.
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