SOUTHGATE HOMES MASON floor plan. This new construction home is set to be completed the first quarter of 2022. The Mason (3674 sq. ft.) is a 2-story home with 4 bedrooms, 4.5 bathrooms and 2-car garage. Features in this home include a study, family room, dining area, upstairs media room and learning center. Walk in closets attach to every bedroom, and a sliding glass door in the family room open to a spacious, covered back patio.