30x40 Steel Building Kit | Best Selling Workshop | Icon Steel

30x40 Steel Building

Factory Direct. American Made. We Manufacture, Deliver & Install.

Estimated Price $14,950*

Why Choose a 30x40 from Icon Steel?

The 30x40 steel building offers 1,200 Sq. Ft. of premium interior space. Our #1 Best Seller. The 30x40 works perfectly as a 2-bay auto shop with space for lifts, or as a starter barndominium shell. It is the gold standard for residential steel buildings.

We provide a complete turnkey solution: we manufacture, deliver, and install your building, ensuring top-quality construction from start to finish.

Standard Inclusions

Structural Steel framing, 29-gauge sheeting (with 26-gauge option), trim package, and high-strength fasteners.

Popular Applications

  • Barndominium
  • Residential Home
  • Auto Mechanic Shop
  • Large Equipment Storage
  • Commercial Retail
  • Hobby Workshop

Specifications

  • Dimensions:30' W x 40' L
  • Total Area:1,200 Sq. Ft.
  • Framing:Structural Steel
  • Sheeting:29-Gauge (26 Opt.)
  • Clear Span:100% Usable
  • Warranty:25-Year Mill

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*Prices are estimates based on standard loads.

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30X40 Steel buildings

Every 30×40 steel building is custom-designed. Our architectural team works with you to create a permit-ready, professionally drafted plan—whether you’re starting with a concept or need help designing from the ground up.

At ICON Steel, we understand that building a 30×40 steel building is more than just erecting walls and a roof. It’s about creating a functional, well-designed space that fits your property, purpose, and long-term vision. That’s why we provide complete architectural support—guiding you from the earliest planning stages through permitting and construction.

Our team works closely with you to design efficient 30×40 layouts that balance form, function, and cost, while meeting all engineering, structural, and local code requirements. Whether your building is for residential, workshop, storage, or light commercial use, we ensure your project is designed right from the start.

Massive Savings on Steel Buildings

Looking to reduce costs on your steel building project?