Welcome to 400 Massachusetts Ave NW #1108, an expansive and light-filled corner-unit condo in the heart of Mount Vernon Triangle. Offering a sophisticated open concept Living Spaces, and a modern Gourmet Kitchen with an island and breakfast bar, stainless steel appliances, and abundant storage. The spacious Bedroom includes a custom walk-in closet and ensuite Bath, while the large Den with new built-in storage provides excellent flexibility as a guest room or home office. A Powder Room and in-unit Laundry add everyday convenience. Additional updates include: new lighting AND flooring, custom window treatments, and the entire unit is freshly painted making this a perfectly turn-key opportunity! Residents of 400 Mass enjoy exceptional amenities, including a Community Room, Billiards Room, Fitness Center, Business Center, 24-hour Concierge, and Security. The crown jewel is the Rooftop Terrace with Grills, Swimming Pool, and sweeping views of the city. Perfectly positioned between K and H Streets, the building is surrounded by endless dining, shopping, and entertainment options.