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Get your custom building at our factory direct prices with free delivery and installation!

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Custom 30×40 Metal Building

  • Factory-direct prices
  • Custom made in the USA
  • Free delivery and installation
  • 100% refundable deposit

Get a Custom 30×40 Metal Building at Unbeatable Factory-Direct Prices

Instant Transparent Pricing

At Alan’s, we have nothing to hide. Get instant pricing online. No contact details required. No unwanted sales calls.

Fast Delivery Times

Most of our metal buildings are delivered and installed within 30 to 60 days. Delivery and installation is free.

Certified Metal Buildings

Get a 1-year craftsmanship warranty plus a 20-year rust-through warranty on optional 12-gauge framing and most roof panels.

Risk-Free Guarantee

We guarantee a 100% refund of your deposit until the day your building is delivered. We don’t know anyone who will match our guarantee.

75,000+ Customers and Counting

Alan’s Factory Outlet has a 4.8 Overall Star Rating based on more than 18,000 reviews on Shopper Approved, an independent website.

A 30×40 metal building is the perfect size for a large garage, workshop, storage shed, and more. Since steel is a durable and weather-resistant material, these structures require very little upkeep. Our 30×40 metal building prices are the lowest you’ll find and include installation.

Customizable Features

Design your 30×40 metal building to fit your needs. The following are available features:

  • Roof style
  • Color of roof, trim, siding, and doors
  • Garage doors
  • Walk-in doors
  • Windows
  • Insulation
  • Lean-to additions

How Much Is a 30×40 Metal Building?

The average 30×40 metal building cost starts around $11,000, though prices will vary depending on the roof style and height.

For example, a 30×40 steel building with a vertical roof, 9-foot legs, and a 9×8 garage door starts at $11,005, while a structure with 12-foot legs and two 10×10 garage doors would start at $13,325. Additional garage doors will increase the price, as well as taller sides.

We also offer a wide range of add-on features and accessories, such as windows and walk-in doors, for our metal buildings that will add to the total price.

Concrete Slab Cost

The average cost of concrete slab is $8 per square feet. For a 30×40 concrete slab, which is 1,200 square feet, the approximate cost  will be $9,600. Local prices of concrete vary depending on the cost of labor in your area. You can use our concrete pad size calculator to determine the best size for your needs.

*Please note that we do not provide concrete work with our metal building kits. You will need to hire a local contractor for your foundation.

Color Options

While traditional metal buildings were generally one gray color, modern versions have more options. Ours come in a  variety of colors, where you can change the look of the roof, trim, siding, and garage door.

Uses for 30×40 Metal Buildings

The greatest thing about a metal building is its versatile use. New metal buildings can function as a garage and easily add value to your home. They also make great workshops, storage buildings, and barns. Our metal 30×40 garage kits are custom-made to fit your specifications and available in 16 different colors.


After ordering a metal building kit from us, we’ll deliver it to your home and install it for free. Installation can take anywhere from a half-day to two days, depending on the size of the building. 

It’s important to prepare and level the ground beforehand to ensure proper installation. There should also be at least 3 feet of space around the desired area for workers to have room to install the building.

Frequently Asked Questions

When comparing metal to wood, you’ll find that metal is a much more durable material. Unlike wood, metal does not crack or chip under extreme temperatures. It is also fire-resistant and less likely to dent or become otherwise damaged. Best of all, metal is low-maintenance, and its siding can last up to 40 years before needing a repaint.

It depends. The average cost to build a garage is $28,000, though you can buy a metal garage kit for half the price. The total costs of both, however, will vary by size, style, customizations, and other factors.

Yes. More often than not, metal buildings are half the cost of those made of wood. Since metal is more affordable than lumber, the material is a great investment for a large-scale, permanent building.

Design Your 30×40 Metal Building Today

Our 30×40 metal building costs include delivery and installation, ensuring the most affordable prices for our customers. All of our products are also backed by a one-year workmanship warranty from the date of installation. 

Order and customize the perfect metal building within your budget using our tool below.

Customize, Preview, and Order Your Metal Building Online

Price and Buy Online with Our 3D Builder, Plus Get Free Shipping and Installation!

  • Select a size to meet your needs
  • Choose roof, side, and trim colors
  • Add garage doors, windows, and walk-in doors
  • Customize additional options
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