40×100 4-Bed Barndominium
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40×100 4-Bed Barndominium, build-ready residential shell.
Engineered 4-bed residential shell with kitchen rough-in, bath plumbing stubs, 200A entrance, and HVAC pre-pack, finish-out ready for drywall and flooring.
🔧 Customize your build 9 options affect your price▼
- 4,000 sq ft residential shell
- 4 bedrooms stud-framed
- Kitchen + bath plumbing rough
- 200A electrical entrance
- HVAC rough-in central air
- R-19 walls R-30 ceiling
- Egress windows per code
- 2-3 weeks shell install
See how 800 sq ft fits your 4-bed barndo shell.
40 feet wide × 100 feet long. Engineered residential shell with 4 bedrooms, kitchen rough-in, bath plumbing stubs, 200A entrance, HVAC rough-in.
Residential-grade barndominium.
Stud-framed 4 bedrooms + great room + kitchen + 2 bath, ready for finish trades (drywall + flooring + cabinets + appliances).
Build your 40×100 4-Bed Barndominium in 3D.
Design your building yourself in our free Sensei3D Designer, drag doors and windows where you want them, swap roof + trim colors, and see your spec from every angle. Save your design and email it to yourself for later.
- Drag-and-drop doors, windows, walk-ins anywhere on the building
- 16 colors applied live to roof, walls, and trim, mix & match
- Interior + exterior views of your spec, with measurements
- Save your design and share it with your contractor or family
- Auto-syncs to quote, what you build is what we price
Everything in your 4-Bed Barndominium.
All variants ship with free delivery, installation, drawings, 20-year warranty.
4-Bed Barndominium spec sheet.
How real buyers use 4-Bed Barndominium.
40×100 4-Bed Barndominium, what makes it different.
Engineered for your county
Every 40×100 4-bed barndominium is fabricated from American-rolled galvanized steel and engineered against the exact wind and snow loads your jurisdiction requires.
- Standard: 140 mph wind / 35 psf snow
- 12-ga upgrade: 180 mph / 65 psf
- Permit drawings stamped and emailed free
Construction details
The same materials commercial fabricators use, not residential-grade. Hot-dip galvanized fasteners, factory-baked siliconized polyester paint, Hilti-grade anchors.
- Frame: 14-ga (12-ga upgrade) galvanized tubing
- Panels: 29-ga G-90 (26-ga upgrade)
- Fasteners: #14 self-drilling with EPDM washer
Free delivery & install, really free
Regional-route delivery plus 1–2 day on-site installation by a certified crew, bundled into your headline price. No hidden unloading fees, fuel surcharges, or site-prep charges.
- $0 deposit · pay only after walkthrough sign-off
- 3–5 week lead time on regional routes
- All 48 states · rush option available
Warranty & lifespan
Engineered for a 50-year service life with industry-leading warranties on every wear surface.
- 20-yr rust-through warranty on frame & panels
- 40-yr paint warranty against fading + chalking
- 1-yr craftsmanship on installation
$0-down financing
Three financing paths to fit any credit situation. The rent-to-own option requires no credit pull at all, fastest path to a closed deal.
- RTO: $1614/mo, no credit check, 36–60 mo
- Financing: 0% promo APR · 84 mo term
- Cash discount: 4% on $10K+ orders
Why 40×100?
4,000 sq ft sits in the sweet spot for residential and light-commercial, fits standard quarter-acre setbacks, comfortably below the 1,000 sq ft municipal threshold that triggers extra inspections.
- 40′ × 100′ footprint with 4,000 sq ft interior
- Permit-friendly in 96% of US counties
- Resale ROI $32,000–$48,000 added home value
Common questions from 4-Bed Barndominium shoppers.
The questions our team hears every week. Click any to expand the short answer.
How thick is the steel on a Steel and Stud 40×100 metal building?
Standard frame: 14-gauge (1.5 mm) galvanized tubing. Optional 12-gauge upgrade (2.5 mm) for high-wind/snow zones. Roof and wall sheeting ships 29-gauge standard, 26-gauge upgrade available on order.
Does Steel and Stud deliver and install in my state?
Yes, free delivery and free installation in all 48 continental states, performed by certified Steel and Stud crews. Hawaii and Alaska use custom freight quotes; call 1-877-275-7048 for either.
What’s the typical lead time for a 40×100 building?
Standard: 3–5 weeks from order confirmation to install completion. Fabrication runs the first 2–3 weeks at our US plant; regional delivery and 1-2 day install close it out. Rush builds available for $345.
Can I finance a Steel and Stud building without a credit check?
Yes, Steel and Stud’s rent-to-own partner does not pull credit. Approvals typically run 8 minutes with proof of income and first month’s payment. 36–60 month terms, no early-payoff penalty.
What’s covered under the 20-year warranty?
Steel and Stud’s 20-year rust-through warranty covers the galvanized frame against perforation, plus a 20-year paint-finish warranty against fade and chalk. Workmanship on the install is warrantied for 1 year. Warranty transfers to the next owner on resale.
What real 40×100 4-Bed Barndominium buyers say.
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Talk to a real metal-building specialist.
Our team has installed 15,000+ buildings. We answer technical, permit, and financing questions every day, usually in under 8 minutes.
Complete your 4-Bed Barndominium · Save 10% bundled
These add-ons ship and install with the same crew.
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4-Bed Barndominium questions, answered.
What’s actually included in the $77,450 shell?
Shell scope: structure + insulation pre-pack (R-19 walls / R-30 ceiling) + plumbing rough-in (kitchen + bath drain/supply) + 200A electrical entrance + HVAC mini-split rough-in + 4 egress windows per residential code. Finish-out trades (drywall, paint, flooring, cabinets, fixtures) are owner-supplied, plan $25,000 to $55,000 in trades depending on finishes.
Can this be permitted as a primary residence?
40×100 barndominium shell meets IRC framing/ceiling/egress requirements when finished to code. The structure ships with stamped engineered drawings for residential occupancy in your wind/snow zone. Permitting is handled by your local building department, file the drawings plus your finish plans for the C of O.
Property taxes after the barndominium?
Typically $25,000 to $80,000 assessed-value increase, $300 to $1,800/yr added property tax depending on county. Long-term rental income covers this 5 to 12× over.
What’s the realistic total to move-in-ready?
Shell ($77,450) + slab/foundation ($8,000-$15,000) + finish trades ($25,000-$55,000) + appliances/fixtures ($6,000-$15,000) = roughly $107,450 to $162,450 total. Compare to ~$300-$450/sqft for new conventional construction.
How long to move-in-ready?
Shell goes up in 2 to 3 weeks. Finish trades 8 to 14 weeks depending on your contractor. Full move-in-ready in 3 to 5 months on average.
Financing options?
Construction loan for the shell + slab, then conventional mortgage on the finished build. Some lenders offer a single-close “barndo loan” that bundles everything; ask your local bank for “construction-to-permanent” products.
Your 4-Bed Barndominium quote takes one minute.
Tell us your zip and the options you want. We’ll send back a same-day, all-in price.
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