291 S Preston Road 610 This almost Brand-New 1, 220 SqFt office is situated in Prosper's Highly Sought-after area on the NE corner of Preston Road and East First Street, which sees 20, 000 cars every day. Hays Office Park is a high-end, Medical or Professional office complex. Additionally, signage can be used to draw customers and establish a noticeable presence. This location is at the center of gravity for the professional and residential migration of the North Dallas market, and it is strategically located near DNT and HWY 380 to service Prosper and surrounding markets.