Garage Conversions: Kailua vs Urban Honolulu
How do garage conversions rules compare between Kailua, HI and Urban Honolulu, HI?
Kailua and Urban Honolulu have similar restriction levels.
Kailua, HI
Honolulu County
Converting a Kailua garage into living space is regulated as ADU creation under the Land Use Ordinance, requiring permits, parking replacement, and compliance with occupancy rules.
View full Kailua rules →Urban Honolulu, HI
Honolulu County
Urban Honolulu garage conversions must meet ADU rules in ROH Sec. 21-5.720 plus building-permit requirements in Sec. 18-3.2, and lost parking must be replaced on-lot even on tight urban parcels.
View full Urban Honolulu rules →Key Facts Comparison
| Fact | Kailua | Urban Honolulu |
|---|---|---|
| - | - | |
| ADU Section | - | ROH Sec. 21-5.720 |
| Permit Section | - | ROH Sec. 18-3.2 |
| Parking Rule | - | Replace on-lot |
| Amnesty Cutoff | - | September 14, 2015 |
Highlighted rows indicate differences between cities.
Kailua FAQ
Can I convert my Kailua garage without a permit?
No. Garage conversions into habitable space require building permits and must satisfy ADU zoning rules, including parking replacement.
What if my garage was converted before I bought the house?
If the conversion occurred before September 14, 2015, you may be able to legalize it through an after-the-fact permit under ROH Sec. 21-5.720.
Urban Honolulu FAQ
Can I convert my carport into a studio in Kapahulu?
Only with a building permit under ROH Sec. 18-3.2. If a kitchen is added it counts as an ADU under Sec. 21-5.720, and you must replace lost parking on the lot.
What if the conversion was done without a permit years ago?
Conversions completed before September 14, 2015 may qualify for an after-the-fact permit. Otherwise the owner must legalize the work or restore the original garage.
Compare other topics
See how Kailua and Urban Honolulu compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool