Utility Garage

Prefab Garages In Montana, Idaho, And Wyoming

This top-notch yet economical storage option is perfect for keeping your car, motorcycle, and more from extreme weather conditions. This classic prefab garage can be adapted to meet an endless use of possibilities. Storage, workshop, art studio, whatever the need, Montana Structures will fulfill it!

Customize your Utility Prebuilt Garage fully. Select a steeper room, additional windows and doors, siding colors, and more. Check out our online 3-D Builder and take the design pen into your own hands. Say yes to both convenient storage and more workspace with a prefab garage.

Looking for similar buildings? See our portable Anaconda Garage as well!


Prefab Garage Photos

See what your new building looks like in their environment with these photos of our previous happy customers below. Or take it a step further with our “View In Your Space” feature in our 3-D Builder and drop a prefab garage in your own space.

Design the perfect building for yourself with our 3-D Builder. Select siding colors, window & door placement, roofing style, and more! Creating your ideal Utility Prefab Garage is now just a click away!

Standard Features

for Prefab Garages

Standard Build Features

  • 4 x 4 treated skids: 8’W (3), 10’W (5), 12’W (5), 14’W (5)
  • 2 x 4 treated rim joists 16″ on center
  • Tongue and Groove PerformMax Waterproof Floor
  • 2 x 4 wall framing 16″ on center
  • Trusses 24″ on center
  • 7/16″ OSB roof sheathing
  • LP Smartside Siding
  • All doors 2 x 4 framing and adjustable steel braces
  • Keyed door latch & heavy duty hinges
  • 2 – 8″ x 16″ aluminum air vents (one on each end)
  • Aluminum drip edge on all roof edges

Standard Option Features

  • Painted or Natural Stain
  • 1 x 4 SmartSide or Red Fir Trim
  • 1 – 46”wx73”h single door on 8’ wide buildings & 60”wx73”h on all other buildings
  • 40 ~ year metal roof


  • LP Smart Side with 5/50 Year Warranty
  • 40 Year Manufacturer Roof Warranty
  • Our Own 12 year Top to Bottom warranty

The process

How To Get the Perfect Prefab Garage

Design Your Prefab Garage

Looking to build your prefab garage? Our 3-D Builder team is ready to assist with creating your new building and making your purchasing process as easy as possible!

Schedule Your Build

After ordering your new prefab garage, a member of our team will reach out to discuss your new building. Please feel free to ask any questions regarding build time, foundational needs, or anything else you have inquiries about. Our team is here to help!

Use Your Building

Once your order is finished (lead times will vary), it’s time for your new building to be delivered! Our team will ensure it is delivered safely, placed where desired, and leveled off. You’re done! All that’s left is to enjoy your brand-new prefab garage!

Custom Options

Prefab Garage Building Color Options

Select from our wide variety of color options and design a building that perfectly matches your current environment and aesthetics. Please note that depending on your screen/display settings, colors might differ slightly from actual tints/hues. If you’d like to see our color options in person, feel free to stop by one of our dealer locations!