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Standard Features of the Mt Lair Prefab Cabins

The stunning beauty of the prefab cabin in the featured photo above is due in part to the 3′ porch on the front side. We’ve included many other standard features that enhance the durability and user-friendliness of this cabin. Check out the list below when you’re comparing cabins between builders. Not all builders include all of the features that we consider essential in a prefab cabin. We also build cabins with a loft


  • 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 cedar 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)
  • 12 year Top to Bottom warranty!

Mt. Lair Prefab Cabin Prices

As you look for prefab cabin prices keep in mind that the cost of a prefab cabin that can be delivered to your property in one piece is only a fraction of the cost of building a cabin on site. A portable cabin with a finished interior is a great way to add real value and appeal to your property without making a huge investment. Fee free to call us at (406) 552-4205 if you have any questions or check out our portable cabin prices. 


W x LPrimed OnlyPainted/StainedRTO Payments
12 x 103,8654,060188
12 x 124,3604,580212
12 x 144,9305,175240
12 x 165,7356,020279
12 x 186,1606,470300
12 x 206,4556,780314
12 x 247,2657,630353
12 x 288,0508,450391
12 x 328,8959,340432
12 x 369,82010,310477
14 x 207,9958,400389
14 x 248,6809,115422
14 x 289,71010,195472
14 x 3210,77511,315524
14 x 3611,92012,510579

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 Cabins Options

You'll most likely be finishing the inside of your cabin to be used as a living space. If that is the case you'll want to consider options such as insulated doors and windows to make heating and cooling your cabin more efficient. Added windows also increase the natural lighting in your cabin. If you have any questions about the options that would be good to add in your situation please give us a call. We would be happy to help you.

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

No Glass

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… 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

Photos of Prefab Montana Cabin

We provide these photos of prefab cabins that we've built in the past for your viewing enjoyment. If you would like to see any one of these cabins in your backyard we would love to have a conversation with you! We can build a portable cabin exactly like the cabins pictured here or we can build to your dreams. Contact us to discuss your cabin project. Or see our Brookside pre built shed with a porch.