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20x40x12 Metal Storage Building

  • 5 Stars
  • |
  • (SKU- AAMB279)
Over 10,000 Happy & Satisfied Customers in More Than 40 States
Starting at: $14,500.00
(*Our Prices, Financing and RTO options may vary by location. View final price on the cart page)
Free Delivery And Installation
Financing And RTO Available
 +1 (877) 244-4470

What's Included in the 20x40x12 Metal Storage Building

  • 20'x40'x12' Garage
  • Vertical Roof Garage
  • Gauge: 13-Gauge Framing
  • Fully enclosed with 15' storage on back end
  • 2 (10'x10') Garage door frame outs
  • 10'x10' garage door on storage
  • All three openings with Dutch cutouts
  • 36'x80' walk in door
Width

20

Length

40

Height

12

  • 90-Day Workmanship Warranty 90-Day Workmanship Warranty
  • Best lead times Best lead times
  • Free Delivery and Installation Nationwide Free Delivery and Installation Nationwide
  • High Quality American-made steel buildings High Quality American-made steel buildings
  • Best Prices in the Industry Best Prices in the Industry
  • Exceptional Customer Service Exceptional Customer Service

This versatile 20x40x12 Metal Storage Building is ideal for:

  • Perfect for homeowners needing large, enclosed storage for vehicles, equipment, or seasonal belongings.
  • Ideal for farms or ranches — store tractors, feed, hay, and agricultural implements safely indoors.
  • Use as a multipurpose warehouse-style building for business inventory or machinery.
  • Excellent for RV, camper, or boat storage — 12’ leg height offers tall clearance for larger vehicles.
  • Can serve as a workshop or maintenance bay for mechanics, woodworkers, or contractors.
  • Perfect for storing ATVs, trailers, or outdoor recreational gear year-round.
  • Great for small business owners who need affordable storage without traditional warehouse costs.
  • Customizable with roll-up doors, walk-in doors, and windows for ventilation and accessibility.
  • 12-foot leg height provides additional headroom for shelving, racks, or overhead equipment.
  • Durable all-steel 20x40 frame construction ensures long-lasting performance and weather resistance.

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