https://www.redfin.com/IL/Bolingbrook/4-Ash-Ct-60490/home/23184841
says full basement, finished basement. The basement sq footage isn't included as it was not permitted (which rarely does anyone permit here due to taxes) So it's 1100 sq. ft. n change.
Quoted from The_Director:I wonder if that room is included in the square footage? That looks to be a 800-1,000 sq ft room and the house is 2,350. Looks like the upstairs is bigger than 1,500 sq ft.