Budget-Friendly Portable Sheds in MT, ID, and WY

portable barn mini barn
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Standard Features of the Portable Barn

Our portable barns are loaded with features that make these sheds more durable and easier to use. Although this mini barn is more economically priced than our other portable sheds it is built with quality materials that will withstand harsh weather and moisture from the ground. This portable barn will give you a long term solution to your need for convenient storage at your home or business.

  • 4 x 4 treated skids: 8’W (3), 10’W (5), 12’W (5), 14’W (7)
  • 2 x 4 treated rim joists 16″ on center (center joists not treated)
  • 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)
  • 5 ~ year Top to Bottom warranty!

Portable Mini Barn Storage Photos

Sometimes you just need fresh ideas as you look for a portable barn that blends in with the other buildings on your property. We’ve put together this collection of mini barns that we’ve built for past customers to get your imagination rolling. If you see a building that you like we would be happy to build it for you! Are you looking for more than storage? See our prefab garages and cabin sheds

storage shed

Portable Mini Barn Prices

One of the most challenging aspects of shopping for a portable barn is balancing prices, quality, and features. Generally speaking you’ll find that all extremely low priced storage barns are also low on quality and features. Our goal is to provide a quality storage building at a reasonable price so that you’ll get a good return on your investment. We would welcome a phone call at (406) 552-4205 if you have any questions about our portable barn prices.

Prices are subject to changes.

W x LPainted/StainedRTO Payments
8 x 82,795116
8 x 102,945123
8 x 123,295137
10 x 103,485145
10 x 123,920163
10 x 144,340181
10 x 164,745198
12 x 125,040210
12 x 145,470228
12 x 165,920247
12 x 206,765282
12 x 247,515313
12 x 288,740364
14 x 249,315388
14 x 2810,870453
14 x 3212,415517

We now offer a chicken coop package as an option for our sheds for an additional $695. 

This prices includes the following features:

6 Nesting Boxes

A Roosting Section

1 Chicken Door

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 Shed Options

Your portable barn doesn’t have to be just like your neighbor’s or all the other portable barns on the market. We would would be happy to work with you to add the options that you specify. The options that we provide can help to improve the usability and beauty of your mini barn. Increase your satisfaction with the finished product by adding a few options.


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

Add Ons

Wood Doors


36″ x 73½” Wood | 60″ x 73½” Double Wood Doors

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