30×40 Steel Building Kit For Sale

Custom Designed 30×40 Metal Buildings

Maverick Steel Building provides the highest quality 100% American Made Steel 30 x 40 metal building kits that are designed around your requirements. This size building is ideal for metal workshops, metal barns, metal garages, retail establishments, and even RV covers with extra storage space. The simple and modern design of our sleek prefab metal building systems gives you the freedom to design a custom steel building that will exceed your every expectation

Red 30 by 40 Steel Building With One 10x10 Door And one Standard Walk In Door
Custom Pre-Engineered Metal Garage Building With Roll Up Garage Doors And Side Entry Door

30 x 40 Pre-Engineered Building Kits

With 1,200 square feet of clear span space, our custom metal buildings provide plenty of space even be used as a commercial garage or small business office or retail space with multiple framed opening options. Maverick Steel Buildings ship throughout the United States and will meet all local building code requirements based on the zip code for your shipping location. From heavy wind, rain, and snow to earthquakes – Maverick Steel Buildings stand up to the test. To learn more about how much your steel building cost may be, click the button below.

Why Choose Maverick Steel Buildings

Building Custom Metal Structures Is Our Specialty


Safety And Durability – Fire Resistant Metal Buildings Last A Lifetime


Cost Savings – Much More Cost-Efficient Than Traditional Wooden Structures


Simple And Cost-Effective To Expand When You Need More Space


Attractive Building Finish In A Wide Variety Of Options And Colors


Environmentally Friendly – 25-35% Of Our Materials Are Recyclable


High Clearances – Perfect For Hanging Storage Or Car Lifts


Faster And Easier To Construct Than Traditional Methods


Customizable To Any Use – From Woodworking To Engine Repair


Low Maintenance – No Need To Paint Or Patch


100% American Made Steel – Supporting A Network Of American Businesses

Hear From Our Satisfied Customers

We take great pride in a job well done. Many of our satisfied customers have taken the time to write about their experience with Maverick Steel Buildings. Here is what they had to say.

Jeff T

...All aspects of the project were superb examples of customer service and product quality. I now have a building I will enjoy as a workshop for many years to come. If you need a steel building done right the first time, call Taylor at Maverick Steel Buildings...

50 x 100 Steel Buildings

With framed opening accessories like side entry and roll-up doors, these custom metal buildings are perfect for commercial multi-bay metal garages, metal barns, retail outlets, industrial warehouses, mini storage units, and more.

40 x 60 Steel Buildings

As one of our most popular sizes of custom metal buildings, these 2,400 square foot structures come with multiple framed opening options making them perfect for airplane hangars, metal barns, metal garages, and more.

40 x 40 Steel Buildings

Produced with pre-sized and pre-punched 100% American made steel components, these 1,600 square foot clear span custom building systems are designed to be easy to assemble for your contractor.