HOOLIEHAUSHouse Plans & 2D CAD Blueprints
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171 Barndominium Floor Plans • 800–3,500 Sq Ft

Barndominium Floor Plans & 2D Blueprints

Engineered for wide-open great rooms, vaulted ceilings, and optional drive-through or multi-bay workshops under a single continuous steel or post-frame truss system.

Barndominium 3D House Exterior
171 Plans
Shell Est: $36,500
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Shell Est: $25,500
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Shell Est: $25,500
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Shell Est: $26,000
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40' × 20'+ Shop Bay
BarndominiumPlan HG-1200

800 Sq Ft (20x40) 2 Bed 2 Bath Barndominium Floor Plan with Shop (Pull-Through Shop + Split Living Core)

501
Sq Ft
2
Beds
2
Baths
300
Shop SF
Shell Est: $25,500
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Shell Est: $28,000
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Shell Est: $27,500
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40' × 22'+ Shop Bay
BarndominiumPlan HG-1265

880 Sq Ft (22x40) 2 Bed 2 Bath Barndominium Floor Plan with Shop

572
Sq Ft
2
Beds
2
Baths
308
Shop SF
Shell Est: $28,000
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40' × 22'+ Shop Bay
BarndominiumPlan HG-1266

880 Sq Ft (22x40) 2 Bed 2 Bath Barndominium Floor Plan with Shop (Pull-Through Shop + Split Living Core)

551
Sq Ft
2
Beds
2
Baths
330
Shop SF
Shell Est: $27,500
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Shell Est: $27,000
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Shell Est: $27,000
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Shell Est: $27,000
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Barndominium Build Cost Guide & Frequently Asked Questions

Shell kit pricing (~$32/sq ft), framing specifications (Cold-Formed Steel / Post-Frame Clear-Span Trusses (8' o.c.)) & common questions

Structural Framing, Roof Pitch & Foundation Specs

Engineered for wide-open great rooms, vaulted ceilings, and optional drive-through or multi-bay workshops under a single continuous steel or post-frame truss system. Every barndominium layout in this 171-plan hub is drafted on a true structural bay module (6" exterior walls, 4.5" interior partitions) using Cold-Formed Steel / Post-Frame Clear-Span Trusses (8' o.c.). Standard builds pair a 4" Reinforced Monolithic Concrete Slab w/ Grade Beam (6" in Shop) with a 4:12 26-Gauge Standing Seam Metal Gable Roof, eliminating complex roof valleys and reducing framing labor by 18% to 25%.

Shell Kit vs. Turnkey Budgeting & Plumbing Optimization

With dried-in shell pricing averaging $32/sq ft and turnkey builds averaging $138/sq ft, the fastest way to lower construction costs on a barndominium is consolidating mechanical runs. Our compositional CAD engine groups kitchens, baths, and laundry rooms along shared plumbing wet walls and keeps clear 36-inch circulation paths around every doorway and kitchen island.

How much does a Barndominium cost to build per square foot?

Across our 171 engineered barndominium floor plans, dried-in structural shell packages average $32 per sq ft ($25,600 to $112,000 depending on footprint size), while complete turnkey construction averages $138 per sq ft of heated living space and $48 per sq ft for integrated workshop/garage bays. The average turnkey build cost across this collection is $174,421.

What structural framing and foundation system is best for a Barndominium?

Our barndominium blueprints are engineered around Cold-Formed Steel / Post-Frame Clear-Span Trusses (8' o.c.) paired with a 4" Reinforced Monolithic Concrete Slab w/ Grade Beam (6" in Shop) and a 4:12 26-Gauge Standing Seam Metal Gable Roof. All exterior walls are dimensioned at 6 inches with 4.5-inch interior partitions for straightforward permitting and local lumber or kit takeoff.

Are these Barndominium floor plans compliant with IRC residential building codes?

Yes. Every barndominium blueprint in the HoolieHaus StructuraCAD catalog is programmatically verified against 2024 International Residential Code (IRC) spatial standards—including R304 minimum room areas (70+ sq ft bedrooms, 7'-0" minimum width), R310 emergency egress window placement in all sleeping quarters, 36-inch main entry doors, and consolidated wet-wall plumbing cores.