Prime 50×40 Steel Buildings
Built with American Steel, Engineered for Life.
Unlock 2,000 sq ft of premium steel space that blends strength, versatility, and the trusted Prime brand. Whether you’re planning a garage, workshop, small warehouse or agricultural building, our 50×40 models deliver.
Whether for extra home storage, a new business office, or a farm barn, at Prime, we design steel buildings to fit your exact requirements. With a variety of sizes, styles, colors, and finishes, your building will be as unique as you are.
Why Choose the Prime 50×40 Steel Building?
We bring together American-made steel, precision engineering, and a brand promise of durability and trust.
Generous clear-span of 2,000 sq ft gives you uninterrupted space for vehicles, equipment, storage or workspace.
High-grade American steel & factory-direct manufacturing ensure structural reliability and quality control from start to finish.
Every structure carries a 40-year structural sheet warranty and 50-year framing warranty—so you know you’re investing in more than just a steel building, you’re investing in our name and reputation.
The 50×40 footprint is a flexible foundation. Let our design team help you tailor it—whether you want lean-tos, mezzanines, large doors, special roof styles, or premium finishes.
















Applications & Ideal Uses
Our 50×40 building is uniquely positioned at a size that balances cost-effectiveness with ample functional space. Here are the key use-cases:
Residential / Hobby Garages
Easily house multiple vehicles, a workshop bay and storage all in one
Small Warehouses or Commercial Storage
Ideal for small business operations needing a 2,000 sq ft footprint with clear-span flexibility.
Barndominiums & Hybrid Spaces
For live/work or residential conversion uses, the 50×40 footprint and steel structure provide a strong base for creativity and durability.
Agricultural & Equestrian Buildings
Whether you need equipment shelter, a barn or a riding arena, this size works well and carries the Prime brand standards for strength.
Pricing Snapshot & What Impacts Cost
Typical pricing range: ~$10-$20 per sq ft, which for a 50×40 (2,000 sq ft) structure puts typical pricing from approx. $20,000 to $40,000+, depending on options and complexity.
What drives cost up:
Premium roof styles (gambrel, custom roof curves)
Higher snow/wind load or seismic requirements by region
Large bay doors, multiple walk-in doors, mezzanine options
Superior insulation & interior finishes (for workshop, home conversion)
Custom color schemes, wainscot, premium siding or panel styles
By focusing on direct-to-customer manufacturing, Prime keeps pricing competitive while delivering branded quality and support.
Styles Within the 50×40 Offering
50×40 Metal Garage
Our most popular model: clean, efficient, designed for practicality—whether for home use or business vehicle storage.
50×40 Steel Barn
Classic barn aesthetic with modern steel performance: choose gambrel or gable roof styles for a traditional look with modern reliability.
50×40 Steel Barndominium
For those looking to live and work in one space, our barndominium variant offers premium finishes, full customization, and the strength of steel.
50×40 Cold-Formed Steel Building
Advanced framing, modern materials: ideal for commercial/light industrial, where speed, efficiency and premium build matter.
Other 50×40 Options
From equine shelters to industrial storage, we’ve built custom 50×40 models for myriad specific uses—always under the Prime brand standard for quality and durability.
Customization & Brand Promise
When you choose a Prime 50×40 building, you’re choosing more than size—you’re choosing brand-driven reliability and a structure that’s tailored to your vision.
Custom options include:
Roof overhangs, lean-tos, covered parking
Mezzanines, second-floor openings
Extra large doors (roll-up or sectional)
Premium siding/wall finishes, multiple color combinations
Insulation packages, ventilation systems, skylights
Solar-ready roof load options
Our brand motto: “American Steel. Endless Possibilities.” We deliver quality you can trust, backed by the Prime name.
Why Prime Steel Building?
By aligning your project with the Prime brand, you get the benefit of strong value messaging, clear performance guarantees, and the trust that comes with a recognized name in the steel-building industry.
Engineered for excellence
We go beyond American building standards, ensuring every structure meets rigorous quality criteria.
American owned & manufactured
Sourced, fabricated and delivered in the USA for consistency, speed and quality.
Extensive warranties & brand assurance
40-year sheet warranty, 50-year frame warranty, dedicated support team.
Sustainability built in
We use recycled steel, belong to the U.S. Green Building Council and deliver manufacture with eco-conscious processes.
Let’s Design Your 50×40 Steel Building
Ready to bring your vision to life? Use our interactive online 3D designer or speak with a Prime Building Adviser to map out your ideal 50×40 structure.
Design your building now with our 3D tool.
Get a quote that reflects your chosen options and timeline.
Begin the journey to owning a steel structure backed by the Prime name and built to stand.