Material Restrictions: Honolulu vs Pearl City
How do material restrictions rules compare between Honolulu, HI and Pearl City, HI?
Pearl City has fewer restrictions than Honolulu.
Honolulu, HI
Honolulu County
Honolulu regulates fence materials through its Building Code (ROH Chapter 16) and Land Use Ordinance (ROH Chapter 21). Fences up to 6 feet using permanent materials are generally permit-exempt. Barbed and razor wire are prohibited on most residential and commercial fences.
View full Honolulu rules →Pearl City, HI
Honolulu County
Pearl City fence materials follow the LUO fence definition in ROH 21-4.60, allowing wrought iron, wood, vinyl, plastic, and wire on post foundations in Waiau, Manana, and Pearl City Highlands yards.
View full Pearl City rules →Key Facts Comparison
| Fact | Honolulu | Pearl City |
|---|---|---|
| Permit-exempt height | 6 ft or less (not on corner/flood zone) | - |
| Barbed/razor wire | Prohibited in residential zones | - |
| Utility fence max | 8 ft + security wire to 9 ft total | - |
| Agricultural fence max | 10 ft | - |
| Governing code | ROH Ch. 16 § 431.2; Ch. 21 § 21-4.30 | - |
| Allowed materials | - | Wood, iron, vinyl, wire |
| Code section | - | ROH 21-4.60 |
| Prohibited | - | Barbed wire residential |
| Coastal practical tip | - | Corrosion-resistant |
Highlighted rows indicate differences between cities.
Honolulu FAQ
Do I need a permit for a 5-foot wood privacy fence?
Generally no, as long as it is not on a street corner, in a flood zone, or otherwise regulated by a special district. Verify with the Honolulu DPP.
Can I put chain-link topped with barbed wire around my property?
Only for utility or certain industrial properties. Residential and most commercial properties are prohibited from using barbed or razor wire on fences.
Where do I check if my property is in a special fence-height overlay?
Contact the Honolulu Department of Planning and Permitting or review your zoning district's standards under ROH Chapter 21.
Pearl City FAQ
What fence materials are allowed in Pearl City?
ROH 21-4.60 allows wrought iron, wire, wood, vinyl, and plastic on post foundations. Chain-link and wood are common in Manana and Waiau. Salt-air durability matters near Pearl Harbor for exposed hardware.
Can I install barbed wire on a Pearl City home?
No. Barbed wire and razor wire are disallowed in residential districts under the ROH and LUO. These materials are generally restricted to agricultural or industrial parcels elsewhere on Oahu.
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