Welcome to 4007 Belle Rive Terrace, an expansive waterfront estate on the Potomac River. Situated at the end of a cul-de-sac, this stunning custom Colonial provides remarkable street presence and curb appeal. Walk down to the riverfront for relaxation while you enjoy the expansive views, or access to your private dock and boat storage. Inside, the grandness of the home continues with luxury top to bottom across 4 finished levels - each with views of the water. Upon entry of the home, you are immediately greeted by stunning unique touches throughout, including custom moldings, trim and built-ins, gleaming refinished hardwood floors, tall ceilings, an elevator, and a very usable floor plan. The main level has tons of natural light, with vaulted ceilings in the family room and oversized windows that overlook greenspace and the river, a gourmet kitchen, dining room, formal living room, and cozy executive home office. The primary suite is huge with a fireplace, massive en suite bathroom, and spacious private balcony. The 4th level is a great flex area - perfect for an 8th bedroom, game room, homework space, home office, guest space, or for entertaining with a built in wet bar. The basement is fully finished with a bedroom, gym space, theater, and living area, with a walk out to the backyard. There is an attached 3 car garage, and above the garage is an in-law or nanny suite with bedroom and bathroom.The outdoor space will blow you away. The home has a deck off the main level family room, a 4th level terrace, the primary suite terrace, and lower level covered patio, all with incredible views. The yard is private, with mature trees, a pool, custom landscaping and hardscaping, and fully fenced in. With an incredible location, house, and lot, this waterfront home leaves nothing to be desired!