Founded in 1991 and featuring the designs of William Mark Bostic, Square One has been a midlands area leader in the areas of custom home design, remodeling design, and the best in builder Inventory product design. A graduate of Clemson University with a BS in Design, Mark knows how to get your project off the ground with a design that is buildable, cost efficient, and energy efficient at the price point you desire.  Mark built one of the first "green homes" in the Columbia area, and as former chairman of the Builder Association's High Performance Building Council he can lead you on the path to high performance home ownership. Mark works with the finest home builders and remodelors in several price points so you can get the craftsmanship and details important to you.