1 car garage. Can also be used for storage, a home office, a playhouse, an art studio, a workshop, or even turned into a house. $19.99 each ***6/12 14' Roof Garage*** Sq. Ft: 456 Building size: 20'-0" wide, 24'-0" deep Main roof pitch: 6/12 Ridge height: 14' Wall height: 9' Foundation: Slab 2x4 walls standard. Dimensions for 2x6 walls also provided. Estimated cost to build (General wood framing (walls, roof, siding), doors, windows, drywall): ~$2,700 ***6/12 13' Roof Garage*** Sq.