Fabulous Townhouse in sensational Old Town location. Welcome to 401 S Union St on the corner of Wolfe and Union in the Southeast Quadrant of Old Town Alexandria. This beautiful brick townhouse features 4 bedrooms with 3.5 baths on 4 spacious levels with hardwood floors throughout and views of the Potomac River from many rooms. The excellent floor plan presents a welcoming foyer, dining room with woodburning fireplace, living room with built-ins, and an updated gourmet kitchen with stainless steel appliances, quartz counter tops, and large hidden pantry. The home is built for entertainment with 2 sliding glass doors that open to the huge brick patio and your own personal off-street parking space. There is also a powder room on the main level. The Owners Suite on the second level features a huge bedroom with another woodburning fireplace with custom built-ins and a custom walk-in closet with a fabulous primary bath. The third level presents 2 spacious bedrooms with an updated bath. This level is currently fitted out as a gym and an office. The top level presents a huge front-to-back bedroom with tall ceilings and views of the Potomac River to the east and Old Town rooftops to the west. There is another full bath and laundry on this level. Custom plantation cafe-style shutters throughout the home. The location next to the new Old Town waterfront with all the parks and restaurants make this townhouse just about Perfect! Built in 1978 with over 2,500 SF.