Metal Shop With Living Quarters: 2026 Costs & Floor Plans
A metal shop with living quarters, often called a shop house, puts your home and your workshop under one steel roof. You walk from the kitchen into the shop without going outside, you build one structure instead of two, and you get a big clear span workspace that a normal house could never give you.
It's not quite the same as a barndominium. In a barndo the living space is the main event. In a shop house, the shop usually comes first and the home is attached to it, often taking up a third to a half of the building. That changes the costs, the layout and sometimes the financing.
How Much Does A Shop With Living Quarters Cost?
The total depends on two things: how big the whole building is, and how much of it you finish as living space. The shop side costs about the same as any metal shop. The living side costs much more per foot because of framing, drywall, plumbing, electrical, HVAC, kitchen and bathrooms.
| Part of the building | Typical cost per sq ft | Notes |
|---|---|---|
| Steel shell on a slab (whole footprint) | $23 to $38 | Kit, erection and 4 inch slab |
| Shop finishing | $3 to $10 | Insulation, lighting, outlets, maybe a half bath |
| Living quarters, basic finish | $60 to $90 | On top of the shell, living area only |
| Living quarters, premium finish | $100 to $160 | Custom kitchen, tile, upgraded HVAC |
The shell range uses kit prices of about $14 to $17 per square foot (our earlier size guide rates scaled by the rise in the BLS steel mill products index from November 2022 to September 2026, checked October 2026), erection at $4 to $12 and a slab at $5 to $9.
Example budgets
| Building | Living area | Shop area | Basic finish total | Premium finish total |
|---|---|---|---|---|
| 40x60 | 1,000 sq ft | 1,400 sq ft | $119,000 to $195,000 | $159,000 to $265,000 |
| 40x80 | 1,600 sq ft | 1,600 sq ft | $174,000 to $282,000 | $238,000 to $394,000 |
| 50x100 | 2,000 sq ft | 3,000 sq ft | $244,000 to $400,000 | $324,000 to $540,000 |
These exclude land, permits, well, septic, driveway and utility connections. For a figure based on your own size and finish level, use our barndominium cost calculator; enter your shop area separately and it prices it at shop finish rather than living finish.
How a shop house compares with building two structures
Building a separate house and a separate shop means two foundations, two roofs, two sets of walls and two permits. Putting them together shares a wall, a slab and a roof. On top of that, the steel shell costs far less per square foot than a conventionally framed house. For comparison, the National Association of Home Builders' 2024 survey put average construction cost for a new single family home at about $162 per square foot, excluding land and builder overhead (checked October 2026).
Floor Plans For A Metal Shop House
There's no single right layout, but most shop houses follow one of a few patterns.
Side by side
The building is split across its width, with the home at one end and the shop at the other. A 40x80 split down the middle gives a 40x40 home (1,600 square feet) and a 40x40 shop. This is the simplest to build and the easiest to separate for fire code purposes.
Shop with a loft apartment
The ground floor is all shop, and the living quarters sit on a mezzanine at one end. You need a taller eave, usually 16 to 18 feet, but you keep the full floor area for work. This works well for smaller living spaces of 600 to 1,000 square feet.
L shape or wing
A main shop building with a smaller attached living wing, or a lean to converted into living space. It looks less like one big box from the road and can be easier to fit on an awkward lot.
Wrap around porch
Many owners add a 10 to 12 foot covered porch along the living side. It makes the building look and feel like a home and adds outdoor living space at a low cost per square foot.
| Plan | Living | Shop | Best for |
|---|---|---|---|
| 40x60 side by side | 1,000 sq ft, 2 bed, 1.5 bath | 1,400 sq ft, two bays | Couples, smaller lots |
| 40x80 side by side | 1,600 sq ft, 3 bed, 2 bath | 1,600 sq ft, three bays | Families |
| 50x100 with loft | 1,200 sq ft ground plus 800 sq ft loft | 3,000 sq ft | Serious shop users, small businesses |
| 60x100 with porch | 2,400 sq ft, 4 bed, 3 bath | 3,600 sq ft | Farms, contractors |
Layout tips
- Put a buffer between the shop and the bedrooms. A laundry room, mudroom or bathroom between them cuts noise and fumes.
- Use the shop entry as a mudroom. A boot bench, sink and storage at the connecting door keep the house clean.
- Plan the wet rooms together. Kitchen, bathrooms and laundry along one wall shorten plumbing runs.
- Think about light. Steel buildings can feel dark inside. Plan windows on the living side early, before the steel is fabricated.
- Leave room to grow. If you might expand the living space later, put it at the end of the building you could extend.
Planning The Shop Side
The shop is why you're building a shop house, so plan it as carefully as the kitchen.
- Door size. A 12x12 roll up door fits most trucks and tractors. For an RV or a boat on a trailer, go to 14 feet wide and 14 feet tall, and raise the eave to suit.
- Eave height. 14 feet is a good all round height. Car lifts and mezzanines usually need 16 feet.
- Power. Welders, compressors and lifts need 240 volt circuits. Size the electrical service for the shop and the home together.
- Floor. Go to a 6 inch slab with rebar under heavy equipment. Use our concrete slab calculator to price it.
- Ventilation. Exhaust fans and ridge vents keep fumes and heat out of the shop and away from the house.
Pros And Cons
| Pros | Cons |
|---|---|
| One foundation, roof and permit instead of two | Financing and appraisal can be harder |
| Short walk from home to work | Shop noise and fumes need careful separation |
| Large clear span shop with no interior columns | Resale market is smaller than for a standard house |
| Lower cost per sq ft than a conventional house | Some zoning codes limit shop or business use |
Insulation, Fire Separation And Comfort
A shop house has to work as a home, so the living side needs to be properly insulated, sealed and conditioned. Spray foam is popular because it adds insulation and stops condensation on the steel. Fiberglass with a vapor retarder costs less but needs careful detailing. Our insulation guide and insulation calculator go through the options.
The wall between the shop and the living space matters for safety. Residential codes typically require fire rated separation between a dwelling and an attached garage, and a shop with vehicles, fuel or welding gear can be treated the same way or stricter. Ask your building department what they require, and plan a solid, fire rated door between the two sides.
Permits For A Shop With Living Quarters
Adding living space changes how the building is permitted. Instead of being treated as an accessory or agricultural building, it's usually treated as a home, which means residential code inspections for foundation, framing, plumbing, electrical, mechanical and energy efficiency. Some counties also limit how much of a residential lot can be used for a commercial shop, so check zoning if you plan to run a business from it.
Before you order, ask:
- Is a shop house allowed on this lot under current zoning?
- What snow and wind loads do the drawings need to meet?
- Does the shop side need fire separation from the home?
- Are there limits on business use or employees?
Our metal building permit guide covers how permits work and what drawings you'll need.
Financing A Metal Shop House
Financing is often the hardest part of the project. Appraisers value homes by comparing recent sales, and in many areas there aren't many shop houses to compare with. Some options to explore:
- Construction to permanent loans from local banks or credit unions that already lend on barndos.
- Farm credit lenders in rural areas, who are often familiar with steel buildings.
- Cash or staged building, where you buy and erect the shell first, then finish the interior as funds allow.
Lenders generally want stamped drawings, a detailed budget and a licensed builder. Our bank financing guide has more.
Get Quotes
Ready to price your shop house? Get free quotes for the steel shell from suppliers in your area. Tell them how much of the building will be living space so they can include the right windows, doors and loads.
FAQ
How much does a metal shop with living quarters cost?
A typical 40x80 shop house with 1,600 square feet of living space and a 1,600 square foot shop costs roughly $174,000 to $282,000 with a basic finish, before land and utilities.
What is the difference between a shop house and a barndominium?
A barndominium is mainly a home in a steel or barn style building. A shop house is mainly a workshop with living quarters attached, usually taking a third to half of the floor area.
Can I live in my shop while I finish the house?
That depends on your county. Most require a certificate of occupancy before anyone lives in the building, which means the living side must pass final inspection.
What size metal building do I need for a shop with living quarters?
40x60 is a common minimum for a small home and a two bay shop. 40x80 and 50x100 give more room for families or bigger shops.
Do I need a fire wall between the shop and the house?
Most building departments require some fire rated separation between a dwelling and an attached garage or shop. The exact rating depends on your local code and how you use the shop, so ask before the drawings are finalized.
Sources
- National Association of Home Builders, Cost of Constructing a Home 2024, checked October 2026.
- U.S. Bureau of Labor Statistics, PPI series WPU1017, steel mill products, checked October 2026.
- Rex Metal Buildings size, erection and barndominium guides.
Ready to price your building? Get free metal building quotes from suppliers who serve your area, or use the form on this page and our team will be in touch.