AA Metal Buildings
AA Metal Buildings
AA Metal Buildings
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AA Metal Buildings
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AA Metal Buildings

20x30x12 Step Down Barn

  • 5 Stars
  • |
  • (SKU- AAMB323)
Over 10,000 Happy & Satisfied Customers in More Than 40 States
Starting at: $17,200.00
(*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 20x30x12 Step Down Barn

  • Free Delivery and Installation
  • Professional on-site installation included
  • Main Building Size: 20’ W x 31’ L x 12’ H
  • Lean-to Size: Two units, each 10’ W x 31’ L x 8’ H
  • Total Building Area: Approx. 1,240 sq. ft. (including lean-tos)
  • Vehicle Capacity: Multiple vehicles or equipment
  • Vehicle Storage: Cars, trucks, tractors, ATVs, or equipment
  • Intended Use: Step-down barn, garage, workshop, or agricultural storage
  • Frame Material: Steel
  • Primary Material: Metal
  • Material Type: High-grade quality steel
  • American-made steel
  • Galvanized steel frame with 14-gauge framing
  • Roof Style: Step-down barn with vertical lean-to roofs
  • 14-gauge colored screws
  • Double bubble insulation in main roof
  • Double bubble insulation in main sides
  • Double bubble insulation in main ends
  • Main building sides fully enclosed
  • Main building ends fully enclosed
  • One 9’ x 8’ garage door
  • One walk-in door
  • Lean-tos with vertical roofs
  • Lean-to sides closed
  • Lean-to ends closed
  • One 8’ x 8’ garage door in lean-to
  • Two 30” x 36” windows
  • Roof Color: White
  • Trim Color: Light Stone
  • Wall Color: White
  • Wainscot: Light Stone
  • Typical Users: Agricultural, residential, and workshop use
  • Permit Required: Check local building codes
  • 20-year rust-through warranty*
  • 10-year limited warranty on panels*
  • 1-year workmanship warranty*
Width

20

Length

30

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 20x30x12 Step Down Barn is ideal for:

  • Perfect for small farms or ranches — store tractors, ATVs, and farming tools under one durable roof.
  • Ideal for housing livestock, horses, or poultry with ample room for feed and equipment.
  • Use as a combination barn and workshop for equipment maintenance or light fabrication work.
  • Excellent choice for property owners needing compact yet functional farm or storage space.
  • Step-down roof design provides superior water drainage and enhanced ventilation.
  • Can serve as a multi-purpose utility building — part animal shelter, part storage bay.
  • Great for storing hay bales, feed, or agricultural supplies safely out of the elements.
  • Perfect for homeowners needing a combination of vehicle parking and tool storage.
  • Customizable with open lean-tos, side panels, or enclosed bays for flexible use.
  • Durable steel construction ensures long-lasting protection from rust, wind, and heavy rain.

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