What Is the Size of a Typical Garage?

When it comes to building a new single-vehicle garage, homeowners often choose a 16-by-22-foot structure, according to Western Construction, Inc. The most common size of a two-vehicle garage in the City of Minneapolis, where Western Construction is based, is 20 feet by 22 feet. Minneapolis limits the size of garages to 676 square feet, which accommodates a 32-foot-by-20-foot three-car garage.