What Is the Cost of Building a 16×20 Garage? The building prices per square foot for a 16×20 garage vary depending on the materials you use and whether you hire a contractor. If you use high-quality materials and hire a contractor, you can expect to pay around $20,000.

16×20 Garage Prices 16×20 garage prices range from $13,880 to $37,873 and above, depending on building design, style, siding, add-ons, and more. The lowest-priced 16×20 garages are those in our “Standard” collection, while the garages in our “Legacy” collection have the highest price point.

According to Angi and HomeAdvisor, the cost of building a garage ranges from $16,281 to $39,472, with an average cost of $27,867. It’s common to spend $40 to $70 per square foot for standard garages that don’t have significant upgrades.

T he cost to build a garage from the ground up averages about $29,333 but ranges between $16,718 and $41,963 depending on its size, exterior materials, and whether it’s attached or detached. Where you live will also influence your final cost. The high end of the price range includes add-ons like wiring, plumbing, windows, and workstations.

You can buy the materials for a wooden 16×20 shed for about $2500. If you prefer to buy and not build the shed yourself, the cost will be more like $4200. A vinyl shed is between $4,500 and metal sheds start at around $3,000.