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.
The total cost for a 400-square-foot garage floor in San Francisco ranges between $3.91 and $4.28 per square foot and between $3.26 and $3.60 per square foot in Atlanta. In suburban Chicago, the same floor will cost between $3.70 and $4.05 per square foot.