Budget-Friendly Prebuilt Garages in WY, ID and MT

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Standard Features of the Utility Prebuilt Garage

One of the reasons that the standard features of this utility prebuilt garage are included is to make sure that your garage shed will last for many years. We build with 4×4 pressure treated skids and 2×4 pressure treated floor joists so that the foundation of our prefab garages are protected from rot and decay. Be sure to compare features when shopping for a portable garage since not all builders include the same features.

  • 4 x 4 treated skids: 8’W (3), 10’W (5), 12’W (5), 14’W (7)
  • 2 x 4 treated joists 16″ on center
  • Tongue and Groove PerformMax Waterproof Floor
  • 2 x 4 wall framing 16″ on center
  • LP Smartside Siding with 5/50 Year Warranty! – 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
  • All doors 2 x 4 framing and adjustable steel braces
  • Keyed door latch & heavy duty hinges
  • Trusses 24″ on center
  • 7/16″ OSB roof sheathing
  • Choice of 30 year dimensional shingles or 40 ~ year metal roof
  • Aluminum drip edge on all roof edges
  • 2 – 8″ x 16″ aluminum air vents (one on each end)
  • 12year Top to Bottom warranty!

More Photos of Utility Prebuilt Garages in Montana

We’re proud of the utility prebuilt garages that we’ve built for past customers and we display them here for you. As you browse these photos imagine one of these garage sheds on your own property. We can build any one of these garages for you. Or if you have another idea we would love to discuss it with you and make your dream a reality. See our utility shed if you decided that you don’t need a garage door.

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prebuilt garage
prebuilt garage
prebuilt garage
prebuilt garage
prebuilt garage

Utility Prebuilt Garage Prices

The cost of a prebuilt garage will most likely play an important role in your decision on whether or not to purchase a garage shed. We give you the option to get a free quote so that you have the information you need to make your decision. Our free quote will include delivery so that you know exactly how much a portable garage will cost. Go ahead and take a few minutes to fill out our free quote form. Or if you need to learn more about our portable garages see our barn garage or portable Anaconda Garage.

Build your Building in our 3D Builder

ALL NEW!!! Now you can build your own shed, garage or cabin and visualize how your building will look. Adjust options, choose your colors and then send the design to your inbox to revisit at any time!

Design Yours Now!

Popular Garage Options

Our portable garage options allow you to design a garage that will suit your needs. One especially useful option is shelving and lofts. A shelf or a loft in your garage shed can help you keep things organized and clean. It allows you to use your portable garage for parking your car and general storage. We offer many other options and colors to help you customize your garage shed.


Add shelves to your shed or garage and keep your life more organized!


Loft sections come in 2 feet segments to help make more space.


36″ Solid Fiberglass Door without Glass (basic) | 36″ Fiberglass 9 Lite Entry Door with Glass


2′ x 3′ Thermo Window | 3′ x 3′ Slider Thermo Window | 32″ x 40″ Thermo Window with Grids

See Full List of Add-ons

Shed Colors

Excellent company and customer service!

On April 9th, I received a call from Titus. He stated that he would be at my house at approximately 0900, he showed up about 0915, at the same time, my bank called me and advised that the other company had attempted to remove the funds for the cancelled barn. Titus backed the barn into… Read more “Excellent company and customer service!”


The Craftsmanship is Exquisite!

We just received delivery of our 12×20 Lofted Barn this morning. We had looked at many different companies and we are so glad we decided on a Griffin Creek Structures building! The craftsmanship is exquisite and the whole process from ordering to delivery was amazing. Jon the representative wanted us to be totally satisfied and he took the time to… Read more “The Craftsmanship is Exquisite!”

Mike and Sheila
Philipsburg, Montana

Fantastic Service!

Fantastic service! We shopped around extensively. We found Montana Structures to be the best quality for the best price! Titus was amazing! Got our shed in a tight spot with ease! Plus very detail-oriented even painted over the small abrasions from a sign that was hung on the building! I enjoyed watching his expertise with… Read more “Fantastic Service!”

Montana Sheds