Permit Requirements: Kailua vs Urban Honolulu
How do permit requirements rules compare between Kailua, HI and Urban Honolulu, HI?
Kailua and Urban Honolulu have similar restriction levels.
Kailua, HI
Honolulu County
Kailua property owners must consult ROH Sec. 18-3.1 to determine when a fence or wall requires a City and County of Honolulu building permit. Retaining walls and riprap walls 30 inches or less are exempt, but most taller structures require permits.
View full Kailua rules →Urban Honolulu, HI
Honolulu County
Urban Honolulu property owners obtain fence and wall permits from the Honolulu Department of Planning and Permitting under ROH 18-3.1, which exempts retaining or riprap walls up to 30 inches tall.
View full Urban Honolulu rules →Key Facts Comparison
| Fact | Kailua | Urban Honolulu |
|---|---|---|
| - | - | |
| Permit exemption | - | 30 inches or less |
| Issuing agency | - | Honolulu DPP |
| Code section | - | ROH 18-3.1 |
| Historic review | - | Additional design control |
Highlighted rows indicate differences between cities.
Kailua FAQ
Is a permit needed for a standard wooden fence in Kailua?
Wooden fences 6 feet or shorter in residential yards are often exempt, but check ROH 18-3.1 and any SMA overlays before building.
What happens if I skip the permit?
You risk a stop-work order, after-the-fact permit fees at multiple times normal cost, and forced removal if the structure violates code.
Urban Honolulu FAQ
Do I need a permit to build a fence in Urban Honolulu?
Usually yes. ROH 18-3.1 exempts only retaining or riprap walls up to 30 inches. Most fences over 30 inches, masonry walls, and pool enclosures require a Honolulu DPP permit before construction starts.
What if my home is in a Honolulu special district?
Fences in Waikiki, Chinatown, Kakaako, Haleiwa, and Diamond Head Special Districts require additional design review on top of the ROH 18-3.1 permit. Expect longer review timelines and design restrictions.
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