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Barndominium Material Cost Estimator
Estimate lumber or steel, concrete, and roofing costs for your barndominium shell. Enter your square footage and specs below to get a detailed material breakdown — quantities and costs, not just a per-square-foot guess.
Building size
Materials scale with total building footprint, not just livable space.
Framing structure
Roofing material
Roof pitch
Steeper roofs need more roofing material per sq ft of footprint.
Foundation
Regional material pricing
Rural South/Midwest tend to run lower; coastal and Northeast markets run higher.
Estimated material cost
$146,718
range · $132,046 – $161,389
$61 / sq ft of footprint (2,400 sq ft total)
Concrete slab foundation$18,000
≈ 29.6 cu yd ready-mix concrete
Steel post-frame structure$64,800
3.6 tons structural steel (approx.)
Roofing material$45,360
≈ 25.2 roofing squares (2,520 sq ft roof area)
Materials subtotal$128,160
Fasteners, flashing & hardware (6%)$7,690
Waste / overage buffer (8%)$10,868
Total estimated materials$146,718
Materials only — excludes labor, land, permits, utilities, and interior finish. Prices are national planning estimates based on typical current material rates and will vary by supplier and season. Confirm quantities with a licensed builder or supplier before ordering.