Carport Rules: Kailua vs Urban Honolulu
How do carport rules rules compare between Kailua, HI and Urban Honolulu, HI?
Urban Honolulu has fewer restrictions than Kailua.
Kailua, HI
Honolulu County
Kailua carports must follow city-wide dimensional standards capping horizontal size at 20 feet by 20 feet, with limited hillside exceptions for Type V-B construction.
View full Kailua rules →Urban Honolulu, HI
Honolulu County
Urban Honolulu carports must comply with the 20-by-20-foot horizontal limit in ROH Sec. 21-2.140-1, with Type V-B hillside carports allowed extra height in mauka neighborhoods like Makiki Heights and Manoa.
View full Urban Honolulu rules →Key Facts Comparison
| Fact | Kailua | Urban Honolulu |
|---|---|---|
| - | - | |
| Code Section | - | ROH Sec. 21-2.140-1 |
| Max Dimensions | - | 20 ft by 20 ft |
| Hillside Exception | - | Type V-B carports |
| Setback Reference | - | ROH Sec. 21-4.30 |
Highlighted rows indicate differences between cities.
Kailua FAQ
Can I build a larger carport than 20 by 20 feet?
Generally no. Horizontal dimensions are capped at 20 ft x 20 ft under ROH Sec. 21-2.140-1, with narrow hillside exceptions.
Does enclosing my Kailua carport create an ADU?
If the enclosed space becomes habitable, it may be regulated as an ADU under Sec. 21-5.720 and require permits and compliance with ADU rules.
Urban Honolulu FAQ
Can my carport be larger than 20 by 20 in Urban Honolulu?
No. ROH Sec. 21-2.140-1 caps carport and detached garage horizontal dimensions at 20 feet by 20 feet, regardless of neighborhood.
I live on a hillside in Makiki Heights. Can I build a two-story carport?
Possibly. Type V-B hillside carports may exceed one story under specified conditions in Sec. 21-2.140-1. Confirm the exact criteria with the Department of Planning and Permitting.
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