The construction of Granite Park Six was announced in a statement by Granite Properties on Sept. 10 for Granite Park, the 90-acre mixed-use development located at 5700 Granite Pkwy, Plano. The building will be a Class AA, 415,000-square-foot office building and will stand 18 stories high. The park is already home to The Boardwalk—a collection of restaurants, patios and lounge areas—and a lake. 214-705-9954.