Setback Rules: Kailua vs Pearl City
How do setback rules rules compare between Kailua, HI and Pearl City, HI?
Kailua and Pearl City have similar restriction levels.
Kailua, HI
Honolulu County
Kailua construction follows ROH Sec. 21-4.30 yard and street setbacks, plus district-specific standards in 21-3.70-1 for residential zoning. Setbacks preserve light, air, and neighborhood character across windward Oahu.
View full Kailua rules →Pearl City, HI
Honolulu County
Pearl City residential setbacks apply ROH 21-4.30 yard rules with residential-district specifics in ROH 21-3.70-1, generally a 10-foot front yard and 5-foot side and rear yards in R-5 districts.
View full Pearl City rules →Key Facts Comparison
| Fact | Kailua | Pearl City |
|---|---|---|
| - | - | |
| Primary section | - | ROH 21-4.30 |
| Residential specifics | - | ROH 21-3.70-1 |
| R-5 front yard | - | 10 feet typical |
| Side/rear typical | - | 5 feet |
Highlighted rows indicate differences between cities.
Kailua FAQ
How close to the street can I build?
Most Kailua residential lots require a 10-foot front setback under ROH 21-4.30, though specifics depend on the zoning district.
Do beachfront setbacks differ?
Yes, shoreline lots near Kailua Beach must also meet state shoreline setback and SMA requirements on top of county rules.
Pearl City FAQ
What setback applies to a Pearl City home?
Most Pearl City R-5 lots require a 10-foot front yard and 5-foot side and rear yards under ROH 21-4.30 and 21-3.70-1. Larger R-7.5 and R-10 lots in the Highlands require wider setbacks.
Can my ADU sit in the side yard?
No. Accessory dwelling units must meet the same ROH 21-4.30 side-yard minimums as the main dwelling, plus ADU-specific standards. DPP reviews both sets of rules together before permit issuance.
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