BM2085
2,085 sq ft
$1,599
Building a barndominium in Hawaii is unlike anywhere else in the country: every material arrives by ship, which changes the economics of a kit-based build entirely. Plans matter more here than on the mainland because material efficiency directly controls cost — a design that wastes lumber or steel wastes it at Hawaii freight prices. Hawaii County (the Big Island) is where most barndo-style builds happen, with more available land and a permitting culture accustomed to owner-builders, while lava-zone and wind considerations affect insurance and engineering. BuildMax plans ship as instant digital downloads, and CAD files let a local Hawaii engineer adapt structural details.
Stock plan
$1,399–$2,199
Instant digital download
Framing kit
$28–$45
Per sq ft under roof, delivered
Typical turnkey build*
$175–$300
Per sq ft, by local contractors; varies by region
Kit pricing depends on design, span, wind and snow requirements, and delivery distance. Most Hawaii customers buy the plan first, price the build with local contractors, then order the framing package. *BuildMax supplies plans and framing kits — we do not offer turnkey construction. Turnkey figures are typical local-contractor costs shown for budgeting only.
Coastal and near-coast counties carry elevated wind ratings; inland requirements ease considerably. Your county tells you the design wind speed your plan must meet, and BuildMax steel kits are engineered to your site’s rating.
Permitting runs through county and municipal building departments and varies widely across Hawaii. Confirm your jurisdiction’s requirements before buying land or breaking ground — it’s a one-phone-call check that prevents expensive surprises.
Where stamped plans are required, BuildMax provides CAD files so a Hawaii-licensed engineer can adapt and stamp any plan for your site’s loads. Steel framing kits are engineered to your location’s requirements.
Kit quotes delivered to any Hawaii county · plans download instantly
Yes. Building a barndominium is no different than building a custom-built home. A barndominium is a style of architecture with an influence from traditional American barns — just because we call it a barndominium doesn't mean you are building a barn. These are custom-designed homes. Confirm style requirements with your HOA or municipality before building.
Not statewide, but coastal wind zones and some city jurisdictions require engineer-stamped plans. If you purchase a steel framing kit from us, the plans come with an engineered stamp. BuildMax also offers CAD files so a Hawaii-licensed engineer can adapt and stamp any plan.
Stock plans are priced on our website and come with an instant download. Framing kits and turnkey costs vary by region and design — request a quote for delivered kit pricing to your Hawaii county.


