30×40 Outbuilding Steel Building Kit

At Maverick Steel Buildings, we use premium, American-made steel to construct our durable 30×40 metal outbuilding kits. Designed to endure even extreme conditions, these prefabricated kits provide reliable and sturdy solutions for a variety of needs.

Outbuildings Steel Buildings Sizes

30×40 Steel Buildings

Residential Steel Building Applications

Red 30 by 40 Steel Building With One 10x10 Door And one Standard Walk In Door


Our 30*40 steel buildings offer 1,200 square feet of clear-span space perfect for outbuildings, shop building systems, storage buildings, metal garage buildings, and more. Each steel building kit is constructed to your specifications, including color options as well as framed openings like doors and windows.

You can personalize your steel structure project to include a vertical roof or different garage doors including roll-up doors and walk-in doors. Our 30 x 40 metal outbuilding kits can be a fantastic choice for anybody looking for more space for their home or business.


Maverick Steel Buildings provides custom 30*40 metal building kits to residential and commercial clients in the Southeastern United States. Our in-house expert engineering staff considers your requirements and demands, as well as the building codes and regulations for the area where your kit will be delivered.

Contact our team of experts today to learn more about this fully custom 1,200-square-foot, 40×30 steel outbuilding kit and get a quote for the building cost today! Our steel building experts are standing by to answer your questions and get you started right away!

pole barn steel buildings

Adhering to Local Building Codes with Your 30×40 Metal Building

When investing in a 30×40 metal building, understanding and complying with local building codes is crucial. These codes are designed to ensure the safety and integrity of your structure. At Maverick Steel Buildings, we take pride in ensuring that each 30×40 metal building kit meets the specific code requirements of your area. 

Our expert team stays updated on local regulations, ensuring your new outbuilding is not only robust and durable but also fully compliant with the latest building standards. This commitment to adherence safeguards your investment and guarantees peace of mind.

Efficient Installation Process for Your 30×40 Steel Outbuilding

Setting up your 30×40 steel outbuilding is streamlined and efficient, thanks to our commitment to quality and customer service. While we don’t directly install the buildings, we connect you with skilled professionals in your area who specialize in assembling these structures.

Our 30×40 steel outbuilding kits are designed with ease and simplicity in mind, ensuring that you can quickly and efficiently erect your building. With our network of experienced installers, you can rest assured that your steel outbuilding will be up and ready for use in no time, without any hassle on your part.

Workers Contrusting a Pre Engineered Steel Building Kit

Maximizing Space with 1,200 Square Feet of Clear-Span

Our 30×40 metal buildings offer a generous 1,200 square feet of clear-span space, making them incredibly versatile for a range of uses. This ample space can be optimized for various purposes, whether you need a large storage area, a spacious workshop, or a multi-purpose garage. 

The clear-span layout means there are no internal columns, providing you with maximum usable space. We offer tips and suggestions on how to best utilize every square foot of your building, ensuring you get the most out of your investment.

Foundation Options for 30×40 Metal Buildings: The Concrete Slab Advantage

Choosing the right foundation for your 30*40 metal building is a critical decision. A concrete slab is often the preferred choice due to its durability and stability. It provides a solid and level base, which is essential for the structural integrity of your building. 

Moreover, the type of foundation can vary depending on the intended use of the building and its location. We guide you through the considerations for selecting the best foundation option, ensuring your 30×40 metal building stands strong and secure for years to come.

Steel Frame Building
Pre-Engineered 30x40 Metal Garage Building With Roll Up Garage Door And Standard Door

Get Started with Your 30×40 Metal Building Today

Ready to enhance your space with a 30×40 metal building? Contact Maverick Steel Buildings now for expert guidance on your project. Our dedication to quality, customer service, and adherence to building standards ensures that your investment is not just a structure, but a long-term solution. 

Our team is here to help you from start to finish, ensuring you get the best quality and service for your investment. Your ideal building solution awaits – let’s make it happen!


Building Custom Metal Structures Is Our Specialty.


Fast Delivery

Short turnaround time for drawings.


Full Service

Installation & Coordination in the southeast USA.


Foundation Drawings Included

Customers always receive the foundation drawings.


Premium Quality

Premium Quality Steel & parts.


Safety & Durability

Fire resistant metal buildings last a lifetime.


Cost savings

Much more cost-efficient than traditional wooden structures.


No hidden cost

100% complete quotes.


Quick & Easy

Faster and easier to construct that traditional methods.



Attractive building finish and a wide variety of options and colors.


Maintenance Free

No need to paint or patch.


100% American Made Steel

Supporting a network of American businesses.


Environmentally Friendly

25-35% of our materials are recyclable.

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