Charlotte, N.C. – Piedmont Properties/CORFAC International, a leading full-service commercial real estate provider serving the Charlotte market, today announced the completion of the sale of an office/warehouse building located in at 1600 and 1604 N. Graham Street, Charlotte NC. Originally constructed in 1947, the 5,000-square-foot, bow truss building sits on .5 acres and is located in the Applied Innovation Corridor.