Montana Structures has served Helena, Montana for over 20 years, building durable sheds and portable buildings made for local conditions. We’re a family-owned company building storage sheds, garages, cabins, greenhouses, and animal shelters designed for Helena’s heavy snow, wind, and seasonal weather. From backyard storage sheds to custom garages for larger properties, our buildings are made for long-term use in Montana conditions. Prefer something more customized? Design your shed online with our 3D Structure Builder.
Our storage sheds in Helena, MT give you dependable space for tools, equipment, seasonal gear, and outdoor supplies. Built for Montana snow loads and wind, these sheds are stylish, durable, and practical for daily use.
Need better protection for vehicles, ATVs, or equipment? Our prefab garages offer secure, long-lasting coverage with options for single-car, two-car, and larger setups. A Montana-built garage adds function and value to your property.
Looking for extra living space or a private retreat? Our portable cabins provide a solid starting point for guest space, hunting cabins, or backyard getaways. Built strong and delivered ready for your finishing touches.
Keep your animals safe with high-quality, well-built horse barns and chicken coops designed for Montana ranches and backyard flocks. From sheltering horses through winter storms to securing chickens from predators, these structures are built with durability and protection in mind.
Extend your growing season in Helena with a durable greenhouse built to handle shifting Montana temperatures. Protect your plants from frost, wind, and wildlife while creating a reliable growing space.
Complete your outdoor space with maintenance-free poly furniture. Designed to resist moisture, fading, and cracking, our poly patio furniture holds up through Montana summers and winters alike.
Maybe. It depends on your location and the size of the structure. In many rural Montana counties, small storage sheds may not require a permit. Larger garages, cabins, and barns often do. If you live in Helena or within city limits, building permits are more common.
Before buying a shed or garage in Montana, contact your local city or county building department to confirm requirements.
Yes. Our sheds, garages, cabins, and barns are built for Montana weather conditions, including:
Heavy snow accumulation
Strong winds
Freeze–thaw cycles
Temperature swings
Roof pitch, framing, and materials are selected to perform in Montana’s climate.
Yes, we regularly deliver to rural and acreage properties across Montana. Delivery requirements include:
Clear access to the site
Adequate turning space
A prepared, level foundation
If your driveway or property access is limited, we can discuss placement options before delivery.
Most portable buildings require a level gravel pad or compacted base.
Proper site preparation helps:
Improve drainage during snowmelt
Prevent shifting during freeze–thaw cycles
Extend the life of your building
We recommend completing site prep before delivery day.
Yes. Our horse barns and chicken coops are built with solid framing, secure doors, and durable siding to help protect livestock and poultry.
In Montana, protection from predators and harsh winter weather is essential. These structures are designed with that in mind.
While some people use cabins for hunting cabins, guest spaces, and recreational retreats, it’s important to find out what your local rules are before finalizing your cabin plans.
It’s best to check with your local Montana building department regarding utilities, permits, and occupancy regulations.
Montana Structures’ shed and garage delivery timelines depend on:
Current inventory availability
Custom build selections
Seasonal demand
In-stock sheds may be delivered sooner. Custom garages or cabins typically require additional build time. We provide estimated timelines before purchase.
Yes. Poly outdoor furniture is designed to resist:
Moisture and snow
UV fading
Cracking in cold temperatures
It performs well through Montana’s hot summers and freezing winters with minimal maintenance.
Yes. We offer rent-to-own options to make it easier to buy a shed, garage, cabin, or barn. Visit our rent-to-own page for more details. You can also contact us with any questions you may have.
Testimonials
i wish every company worked this way
Communication was perfect, even over holidays. They build superior quality and delivers. We could not be more impressed with shed quality. Great company, great people and quality product – thank you Jon and Howard!
Jeff
Superior, MT
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!”
George
Butte
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!”
Sherri
Montana
The cabin looks great
The cabin looks great! Titus is the man, he did his magic and got it placed perfectly. Thank you for this very nice structure!
Rent to own is a great way to get the building you need now and make payments over time. It’s not financing, so no credit check is ever required! Simply fill out our application, and then we can work on getting your building quickly!
We offer multiple options to customize your shed how you need it to function. We have multiple colors for you to choose from to make your shed all that you want it to look like. Whether you use our 3D builder to get an idea of your building or just want to browse the available options, we can’t wait to see what you can create.
We think a quality product deserves a quality delivery. That is why many of our buildings come with free delivery within 20 miles of any of our dealer lots. We are happy to deliver beyond 20 miles, but we will need to discuss any fees associated with that delivery.