From small-car shelters to heavy-equipment garages, we build garages that last, not rust.
Extensive experience erecting garages, RV shelters, heavy-equipment shops in Colorado & Mountain States
Thorough foundation coordination and build-out planning
Licensed erector, code-compliant, insurance-friendly builds
Free garage & vehicle storage estimate
Garage & vehicle storage planning
Compared to wood or DIY sheds, metal garages deliver clear advantages:
Many metal garages cost less per square foot than wood garages, thanks to prefab efficiency.
Steel resists rot, warping, pests, and environmental wear that kill wood buildings.
Prefab components reduce on-site labor and shorten schedule.
Fire, pests, moisture resistance give peace of mind and lower maintenance cost.
Easy to design for anything from a two-car garage to heavy equipment and commercial vehicle storage.
You're not just buying a building, you're buying a garage built to outlast wood, and outlast your plans.
See some of our completed garage and vehicle storage projects.
Different garage and vehicle storage needs require different building designs. Explore the three main categories we specialize in.
Ideal for: Cars, trucks, RVs, toys, home workshop + parking.
Ideal for: contractors, small fleets, RV storage, farm/ranch equipment, heavy trucks.
Ideal for: RV owners, boat owners, off-road toys, seasonal equipment.
We engineer & erect. No "you deliver, we hope you don't mess up". Your slab and foundation are part of initial planning.
Realistic sizing & code-compliant garages, not sketch-up dreams. Real foundations, proper load-bearing slabs, real door clearances.
We don't cut corners: proper fasteners, corrosion-resistant coatings, quality overhead or roll-up doors, built to last decades, not years.
Transparent cost map: we show how slab specs, door types, roofing, insulation (if needed), clearance, and bay width affect cost.
Flexible design, built once right: future expansion, lean-tos, storage bays, or workshop add-ons, all easier with steel.
What vehicles and equipment, how many bays, future plans.
Bay dimensions, foundation specs, access routes.
Stamped plans if required by county, proper load specs, door specs.
Coordinated with you or your concrete contractor or one of ours.
Steel frame, panels, doors, trim.
Frame + shell in days, not weeks.
Doors, Security, Ventilation, and Lighting
Often yes, lower material & labor cost, less maintenance over time, faster build. Many standard-size metal garages cost less per square foot than comparable wood.
Not if properly built. With coated or galvanized steel and proper maintenance, drainage, and slab design, a steel garage can last 30 to 50+ years.
Absolutely. With proper slab specs, door clearance, bay width, and heavy-duty framing, metal garages can easily handle RVs, boats, tractors, or heavy equipment.
Yes, steel shell gives you a durable, open structure. With insulation, ventilation, slab strength, and proper door layout, it makes a reliable workshop.
Use these guides to compare framing options, prepare your site, and ask better pre-construction questions for this building type.
A practical planning framework for moving from rough idea to buildable scope before pricing, engineering, and site work begin.
How clear span framing works, where it makes sense, and when the premium over interior columns is justified.
Discover the true cost to build a custom metal shop in Colorado. Avoid hidden fees with this guide on foundation, engineering, and professional erection costs.
How foundation choice, slab design, soil conditions, and lateral loads interact on a pre-engineered metal building project.
Discover more metal building solutions for different applications.
Tell Mammoth what you're storing (cars, equipment, RVs) and we'll design a custom, code-compliant steel garage built to outlast wood, and outlast your plans.
