Metal Garages & Vehicle Storage — Safe, Durable, Custom Garage Solutions by Mammoth
From small-car shelters to heavy-equipment garages — we build garages that last, not rust.
Why Choose Mammoth
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
Get Started
Free garage & vehicle storage estimate
Garage & vehicle storage planning
Why Metal Garages Are a Better Choice
Compared to wood or DIY sheds, metal garages deliver clear advantages:
Cost-effective and lower initial construction cost
Many metal garages cost less per square foot than wood garages, thanks to prefab efficiency.
Superior durability, longevity, and resilience
Steel resists rot, warping, pests, and environmental wear that kill wood buildings.
Faster construction
Prefab components reduce on-site labor and shorten schedule.
Better protection for vehicles, toys, equipment
Fire, pests, moisture resistance give peace of mind and lower maintenance cost.
Flexibility and scalability
Easy to design for anything from a two-car garage to heavy equipment / commercial vehicle storage.
You're not just buying a building — you're buying a garage built to outlast wood, and outlast your plans.
Garage Projects
See some of our completed garage and vehicle storage projects.
Pinedale, WY - Shop Building
Moab, Utah - Garage
Colorado Springs - Shop Building
Casper, Wyoming - Shop Building
Cañon City, Colorado - Personal Shop
Sub-Categories
Different garage and vehicle storage needs require different building designs. Explore the three main categories we specialize in.
Personal Garages / Home Vehicle Storage
Use Cases
Ideal for: Cars, trucks, RVs, toys, home workshop + parking.
Design Considerations
- Standard eave height vs RV-height or oversized vehicles:
- Door type: standard overhead, oversized roll-up, or sectional — consider headroom, door width, and insulation (if climate-controlled)
- Foundation/slab design: slab thickness, load-bearing capacity depending on vehicle type, floor finish, drainage
Commercial / Heavy-Equipment Garages & Covered Parking
Use Cases
Ideal for: contractors, small fleets, RV storage, farm/ranch equipment, heavy trucks.
Design Considerations
- Heavy-duty slab and footings: for large equipment
- High-clearance bays, wide doors: for easy ingress/egress
- Ventilation, lighting: possibly exhaust-capable for diesel or heated equipment
- Security considerations: doors, locks, optional insulated panels for equipment protection
RV / Boat / Toy Storage & Shelters
Use Cases
Ideal for: RV owners, boat owners, off-road toys, seasonal equipment.
Design Considerations
- Extra height and door clearance:
- Wide bay width and sectional/roll-up doors: for long or wide vehicles / boats
- Adequate ventilation: to prevent condensation / mildew
- Ease of access: optional lean-to or storage mezzanine
What Makes Mammoth Different for Garages
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.
Typical Features & Options
- Wide-open bays with no internal posts — easier parking, maneuvering, storage
- Overhead, sectional, or roll-up doors sized for cars, trucks, RVs, boats
- Heavy-duty slabs and footings for vehicles, trailers, heavy equipment
- Optional insulation and ventilation for climate-controlled storage or workspace
- Long-life steel shell, resistant to pests, rot, fire, and weather — lower maintenance over decades
- Expandability — addition of lean-tos, extra bays, storage mezzanines
Cost Drivers
- • Bay width & eave height — larger widths/heights add significant steel and door cost
- • Door sizes and types (standard vs RV / commercial height) — big factor for clearance and cost
- • Slab/foundation specs — simple slab for car parking vs thick slab + load-bearing footers for heavy equipment
- • Insulation/ventilation or climate control — optional but costly if climate-controlled storage or workspace is needed
- • Finish level & accessories — custom doors, windows, security, lighting, ventilation add cost but add value
Process & Timeline
Needs & Usage Consultation
What vehicles/equipment, how many bays, future plans.
Preliminary Layout & Slab Planning
Bay dimensions, foundation specs, access routes.
Engineering & Drawings
Stamped plans if required by county, proper load specs, door specs.
Kit Fabrication & Delivery
Steel frame, panels, doors, trim.
Concrete / Slab Work
Coordinated with you or your concrete contractor or one of ours.
Erection by Mammoth Crew
Frame + shell in days, not weeks.
Finish Out & Doors / Security / Ventilation / Lighting
FAQ (Garages)
Is a metal garage really more cost-effective than wood?
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.
Will the steel garage rust or deteriorate?
Not if properly built. With coated or galvanized steel and proper maintenance / drainage / slab design, a steel garage can last 30–50+ years.
Can I store big stuff — RVs, boats, heavy equipment — in a metal garage?
Absolutely. With proper slab specs, door clearance, bay width, and heavy-duty framing, metal garages can easily handle RVs, boats, tractors, or heavy equipment.
Are metal garages good for workshops (not just storage)?
Yes — steel shell gives you a durable, open structure. With insulation, ventilation, slab strength, and proper door layout, it makes a reliable workshop.
Explore Other Building Types
Discover more metal building solutions for different applications.
Ready to Build a Garage That Actually Lasts?
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.