Stephen A. Turcotte is a retired Rear Admiral of the United States Navy. Born in Maryland, Turcotte grew up in Grand Rapids, Michigan.
New Garage Costs. 1  According to HomeAdvisor.com, a new garage costs between $9,000 and $45,000, with an average cost of roughly $20,000 to $30,000. 2  Per square foot (psf), expect garage prices to begin at $30 to $50 psf for basic materials.
It doesn't include labor, supplies such as reinforcing bar, if needed, or building permit fees. At the time of publication, the average cost of concrete for a 400-square foot slab, the typical size for a two-car garage, ranges between $583 and $637 or between $1.46 and $1.59 per square foot.