Discover luxury city living in this rare 1-bedroom, 1.5-bath home, nestled between the vibrant Mount Vernon Square and Penn Quarter within a full-service building. This exceptional home is one of the few in the building featuring a private balcony, perfect for enjoying fresh air and urban views. Come home to a wall of windows with a sunny southern exposure. The open floor plan is ideal for entertaining, with distinct living and dining areas complemented by a breakfast bar. The kitchen island is outfitted with generous counter space, perfect for preparing large meals or entertaining. Convenience is key, with a half bath perfect for guests, while the en-suite bath features a spacious double vanity, tub and shower, large walk-in closet, and an in-unit stackable washer/dryer. 400 Mass offers an array of amenities, including an expansive rooftop deck with a pool, gas grills, and breathtaking views of the Washington Monument and Capitol. Stay active in the fitness center, host events in the party room, and enjoy 24-hour concierge services. Located moments from Capital One Arena, theaters, museums, dining establishments, shopping destinations, and all Metro lines, as well as easy access to the Mall, I-395, and Union Station, this residence epitomizes urban convenience and sophistication. Living at the intersection of Mount Vernon Triangle and Chinatown offers an unparalleled experience for those who appreciate culinary adventures and D.C.s vibrant urban culture. The neighborhood is home to some of the citys best restaurants, many of which have earned accolades from prestigious institutions like the Michelin Bib Gourmand and the James Beard Foundation. Dining options include LArdente, Love Makoto, Bar Spero, Baan Siam, dLea, Unconventional Diner, and many others. Beyond the culinary scene, the unbeatable location puts the best of the city within easy reach. The National Mall, City Center, Chinatown, Capital One Arena, and the Convention Center are all within walking distance. Whether youre in the mood for a leisurely stroll through historic sites, a shopping spree, or catching a game or concert, everything you want is just steps from your door. Additionally, the I-395 S ramp outside the building simplifies commuting and weekend getaways. The community balances the excitement of city life with tranquil green spaces like Chinatown Park and Milian Park, perfect for pet owners and outdoor enthusiasts. These areas host various events, including cultural festivals, movie nights, and yoga sessions. The Mount Vernon Triangle Farmers Market, offering fresh produce and local goods, sets up shop across the street every Saturday morning. Enjoy the best of urban living with the charm and community spirit of a tight-knit neighborhood at 400 Mass.