How Much Does a 5000 sq Ft Steel Warehouse Cost?-VANHE Do you need a steel warehouse? And wondering how much does a 5000 square foot warehouse cost? Check out our guide to the costs of a steel warehouse now. Having the right storage space can be the difference between life and death for a budding business. A warehouse can help you maintain control of your product, your shipping, and keep your costs low. Modern steel warehouses can be built fast and place you at less risk for uncontrollable hazards. But what does a modern steel warehouse cost? Read on to learn what a steel warehouse will cost you up front and over time.