Shed Rules: Honolulu vs Urban Honolulu
How do shed rules rules compare between Honolulu, HI and Urban Honolulu, HI?
Honolulu and Urban Honolulu have similar restriction levels.
Honolulu, HI
Honolulu County
Honolulu allows one-story detached storage sheds of up to 120 square feet on residential lots without a building permit under ROH Ch. 18. Larger structures require a building permit and must conform to zoning setbacks under ROH Ch. 21.
View full Honolulu rules →Urban Honolulu, HI
Honolulu County
On Urban Honolulu's typically small residential lots, sheds must meet tighter effective clearances under ROH Sec. 21-4.30 setbacks and Sec. 21-4.60 height limits, with smaller sheds potentially exempt from building permits.
View full Urban Honolulu rules →Key Facts Comparison
| Fact | Honolulu | Urban Honolulu |
|---|---|---|
| Permit-exempt size | Up to 120 sq ft (one story) | - |
| Typical side/rear setback | 5 feet (residential) | - |
| Permit required above | 120 sq ft aggregate | - |
| Governing code | ROH §§ 18-3.1 & Ch. 21 LUO | - |
| Setback Section | - | ROH Sec. 21-4.30 |
| Height Section | - | ROH Sec. 21-4.60 |
| Permit Chapter | - | ROH Chapter 18 |
| Corner Lots | - | Dual street setbacks |
Highlighted rows indicate differences between cities.
Honolulu FAQ
Do I need a permit for a small prefab shed in my backyard?
No permit is needed if the shed is one story and 120 square feet or less in total floor area under ROH § 18-3.1(b)(16). Larger sheds require a DPP building permit.
How close to my property line can I place a shed?
Standard residential zoning requires 5-foot side and rear setbacks under ROH Ch. 21. Exact requirements vary by zoning district — confirm with DPP before placing the shed.
Urban Honolulu FAQ
How close can a shed be to my fence in Kaimuki?
Side and rear yards in R-5 typically require several feet of setback under ROH Sec. 21-4.30. Verify exact distances with the Department of Planning and Permitting for your zone.
Do I need a permit for a small shed in Urban Honolulu?
Sheds below the Chapter 18 size threshold may not need a building permit, but setback and height rules still apply and flood overlays may impose additional requirements.
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