O’ahu · Hawaii
Metal buildings in Honolulu, HI.
We supply detached garages, ag buildings, equipment storage and more across O’ahu. Our work reaches from the North Shore and Waialua to Kunia, Wai’anae and Waimanalo, and anywhere else you’re building.
Agricultural districts
AG-1 & AG-2
Non-farm buildings
Own height limit
Sawmills
Allowed outright
State farm exemption
Up to 8,000 sq ft
From the Revised Ordinances of Honolulu, Chapter 21 (Land Use Ordinance), Ordinance 25-2, and HRS 46-88.
What people build in Honolulu
O’ahu separates farm buildings from other buildings on agricultural land.
Barns & storage
Farm and non-farm buildings have separate height limits in AG-2.
Personal shops
A non-farm building on agricultural land gets the non-farm limit.
Sawmills & equipment
Sawmills are allowed outright in AG-1 and AG-2.
Farm exemption
State law exempts some farm buildings from the building permit outside the urban district.
We work in tubular steel, cold-formed steel, steel truss and red iron. See what a steel building costs.
Permitting metal buildings in Honolulu
Honolulu’s rules focus on use.
Districts
- AG-1 restricted agricultural.
- AG-2 general agricultural.
Uses
- Some uses need a special use permit.
- The use table was rewritten in 2025.
State exemption
- Commercial farms outside the urban district.
- Notify the county within 30 days.
On O’ahu, a barn and a personal shop get different height limits. Tell us how you’ll use the building.
Setbacks vary by district and lot; we confirm by address. See all of Hawaii.
Start with a conversation
Let’s talk about your Honolulu project.
Tell us what you’re planning and where you’re building. We’ll help you work out the next steps.
- Tell us what and whereSend us the size, how you’ll use the building and the address.
- We check the siteWe confirm who permits the address and which code and loads apply.
- You get a clear recommendationWe recommend the frame that fits and price it against the alternatives.
Or call
417-218-8348