Welcome to this lovely light-filled condominium with 850 square foot across an open floor plan. The modern living area features warm wood floors and defined south-facing windows. The living room includes space for a dining area with track lighting. A breakfast bar with pendant lighting connects the living area to the kitchen. The kitchen features granite counters and a slate backsplash as well as tile flooring. The spacious bedroom has room for a desk or private reading nook. Two closets anchor the bathroom area with an additional closet off the foyer. Double vanities opposite the walk-in closet, convenient in-unit laundry and street views with mature trees makes this unit really standout amongst the rest. Nestled between K and H Streets, it's easy to see why residents love calling the magnificent 400 Mass home. Packed with amenities, residents enjoy a spacious community room, billiards room, fitness center, business center, 24-hour concierge, security, and more. The uniquely shaped building flaunts one of kind views from the rooftop terrace. Equipped with gas grills, a swimming pool, and lounge furniture spread throughout, it's the perfect spot to unwind or for friends to visit. Everything you need is at your doorstep with endless dining, retail, and entertainment options nearby. Commuting around or out of the city will be a breeze with Metrobus outside, I-395 one block away, and Gallery Place, Judiciary Square and Mt. Vernon Square Metros all only three blocks away. Assigned underground parking space is offered for additional $100/month. Move in fee required.