Are you adding a 40×40 metal building to your property? If so, you’re likely wondering how much your project will cost you. Let’s look at how much a 40×40 metal building costs and some of the most common uses for this size building.

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40 x 40 Metal Building Prices

Prices for 40×40 metal building kits will vary depending on a few key factors, including the manufacturer and wall height. The cost will also depend on whether you’re just buying a kit or having the manufacturer erect the building for you.

Turnkey solutions such as these will naturally cost more, but they will also make the project less stressful overall.

That said, on average, you can expect to spend $10-$25 per square foot on a metal building. For a 40×40 structure, that equates to:

  • $16,000-$40,000

Here’s a list of some common prices for 40×40 buildings of varying wall heights:

  • 40x40x12: $36,120
  • 40x40x14: $38,444
  • 40x40x14 with vertical roof, open sides: $21,147

The style of the building and whether it’s enclosed will affect the cost as well. The more complex the design, the higher the cost will be.

Other Costs – Slab, Site Work, Etc.

When pricing your project, it’s important to remember that these costs are just for the building itself. Depending on where you’re buying your metal building, you may be able to get a turnkey solution that also includes installation and other costs. If not, you’ll also need to price:

  • The cost of a concrete slab for your building. Slabs can cost $4-$8 per square foot.
  • The cost of labor to construct your building. The cost of labor will vary greatly depending on your location.
  • Any site work that needs to be done. There’s a good chance that the building site will need to be surveyed and leveled first.
  • Electrical, plumbing, HVAC and other finishes if you want to add these features to your building.

These costs can easily add up, depending on your plans for your building. It’s important to plan carefully to ensure that you’re prepared for the costs and to budget accordingly.

If you’re going to use the building as a home, there will likely be other costs, such as running utilities, and water/sewer connections or a septic tank. Expect the cost to be slightly lower than a traditional stick-built home, but much higher than a building used as a workshop or garage.

Common Uses for 40 x 40 Buildings

A 40×40 metal building offers 1,600 square feet of interior space, which makes it ideal for a variety of uses, from garages to shops, barns and even homes.

40×40 Garage

A 40×40 metal building is a perfect size for a garage. With 1,600 square feet of space, you can easily fit two cars and still have space for:

  • Tools
  • A workbench
  • Yard equipment (mower, trimmer, etc.)
  • Bikes and more

Most 40×40 metal garages have two bay doors and at least two walk-in doors, which makes them perfect for use for both cars and shop work.

40×40 Shop

With 1,600 square feet of space, a 40×40 metal building can provide plenty of space for your workshop needs. Depending on your goals, you can even incorporate a living space or small apartment.

In a 40×40 enclosed building, you can place tool racks, storage and a bench along the walls, leaving the middle open for whatever project you’re working on. The possibilities are endless with such a big shop.

40×40 Barn

40×40 buildings are commonly used as barns, and at this size, can house up to four horses. This will also leave you space for a wash rack and tack/feed storage. Depending on the height you choose, you may be able to add a small living area or office.

Of course, you can also use your barn for equipment storage or other purposes, like a hay shed, shelter for cattle or just a simple storage facility.

40×40 RV Storage

A 40×40 metal building is also ideal for RV or camper storage if you go with a taller wall height. A building of this size can house:

  • Class A, B, B+ and C motorhomes
  • Popup campers
  • Truck campers
  • Travel trailers

An enclosed building will protect your toys from the elements and give you a convenient place to store your RV when it’s not in use.

40×40 Metal Building Homes

A 40×40 metal building is just the right size for a home. It offers 1,600 square feet of space, which is perfect for most families. Because these buildings are wide open on the inside, you can make use of more vertical space. Add walls to separate rooms or embrace the open living concept that these buildings offer.

Metal building manufacturers offer a wide range of exterior colors to make your home feel like a home. These buildings can be outfitted with all of the comforts of a modern home, and you can even add exterior finishes that make it look just like a traditional home.


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