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πŸ—οΈ Accessory Structures/Tiny Homes

Tiny Homes: Kailua vs Urban Honolulu

How do tiny homes rules compare between Kailua, HI and Urban Honolulu, HI?

Urban Honolulu has fewer restrictions than Kailua.

Kailua, HI

Honolulu County

Heavy Restrictions

Honolulu has no dedicated tiny home ordinance; permanent tiny homes are regulated as ADUs, while tiny homes on wheels are not permitted as full-time dwellings in Kailua residential districts.

View full Kailua rules β†’

Urban Honolulu, HI

Honolulu County

Some Restrictions

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 β†’

Key Facts Comparison

FactKailuaUrban Honolulu
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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.

Kailua FAQ

Can I live full-time in a tiny home on wheels in Kailua?

No. Tiny homes on wheels are regulated as recreational vehicles and cannot be used as permanent residences in Kailua residential districts.

Can I place a permanent tiny home in my Kailua backyard?

Yes, if it qualifies as an ADU under ROH Sec. 21-5.720 with permits, proper parking, and setback compliance. Only one ADU is allowed per lot.

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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