Fall Shed Sale!

12×20 Portable Garages

Quality Prefab Garages in ND, SD, MN, and IA

12×20 Garages For Sale in ND,SD, MN, and IA

  • SALE

    15% OFF

    12×20 Ranch Gable Wood Panel Garage

    Spencer, IA $10,271.00
  • SALE

    12×20 Ranch Gable Wood Panel Garage

    Mandan, ND $11,476.00
  • SALE

    12×20 High Barn Wood Panel Garage

    Valley City, ND $11,662.00
  • SALE

    12×20 Ranch Gable Wood Panel Garage

    Wadena, MN $10,876.00
  • SALE

    12×20 High Barn Wood Panel Garage

    Jamestown, ND (Paradiso) $11,662.00
  • SALE

    12×20 Ranch Gable Wood Panel Garage

    Watford City, ND $11,486.00
  • SALE

    12×20 Ranch Gable Wood Panel Garage

    Minot, ND $11,476.00
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    IMG 6309

    15% OFF

    12×20 Ranch Gable Wood Panel Garage

    Sioux Center, IA $10,271.00
  • SALE

    12×20 High Barn Wood Panel Garage

    Portland, ND $11,898.00
  • SALE 48239

    12×20 High Barn Wood Panel Garage

    Detroit Lakes, MN $11,662.00
  • SALE

    15% OFF

    12×20 Ranch Gable Wood Panel Garage

    Sheldon, IA $10,271.00
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    12×20 High Barn Wood Panel Garage

    Grafton, ND $11,323.00
12x20 garage

12×20 Ranch Garages

Our Ranch Garages feature a classic A-frame design that offers both functionality and style. This shed style fits perfectly in a variety of settings, and can be used for vehicle and tool storage, a workshop, or a hobby shed.

12x20 garage classic

12×20 Classic Garages

Our Classic garages feature a similar design as the Ranch garage, but has a steeper roof pitch. This roofline gives this garage a unique profile that will instantly upgrade your property. The steep roof is also useful in areas with heavy snowfall, since it prevents snow buildup.

12x20 garage

12×20 High Barn Garages

If you’re looking for a unique, barn-style garage, the High Barn garage could be just what you’re looking for. It features a gambrel truss design, which gives it a unique profile, as well as an abundance of interior space.

12×20 Portable Garages: FAQs

Do I need a Permit for a 12×20 Garage?

In most areas, a 12×20 garage will require a permit to install. Many places require a permit for any shed or garage size above 120 square feet.  If you live in North Dakota, check out our article on shed permits in North Dakota. This article provides various resources for applying for shed and garage permits.

How Much gravel do I need for a 12×20 Garage Foundation?

A 12×20 garage foundation generally requires 3.5 cubic yards of gravel. Since we recommend making your foundation a foot longer and wider than the garage on all sides, you will need a pad that is 13×21. We also recommend that you make it at least 4″ deep. These are the assumptions that we used to arrive at the above calculation for gravel needs for a 12×20 garage pad.

Please note that these calculations will only work if your site is level. If you are installing your garage on a slope, more gravel will be required. For more site prep information, check out our site prep page.

How many square feet is a 12×20 Garage?

The total footprint of a 12×20 garage is 240 square feet. Keep in mind that a footprint of 240 square feet does not equate to 240 square feet of usable interior space. To get a calculation of usable interior space, you need to remove at least 5″ from all sides. This allows for 3.5″ for the wall studs, and up to 1.5″ of sheathing and siding on the outside of the building.

Thus, the usable interior space for a 12×20 garage should be calculated by multiplying 11 feet 7 inches by 19 feet 7 inches, resulting in approximately 216.5 square feet of usable floor space.

Paying for 12×20 Garages

Are you ready to purchase a 12×20 garage but don’t have the cash up front? We have convenient Rent-to-own and financing options available! Checkout our payment options page for more information.