Imagine coming home each day and stepping into your spacious (over 900 sq/ft!) penthouse unit with soaring 10' ceilings and unparalleled views of the Washington Monument and Capitol Dome! This bright and airy floor plan is awash in natural light thanks to the oversized windows and gleaming hardwood floors. The open-concept kitchen boasts granite counters, stainless steel appliances, and maple cabinets with an abundance of storage. Enjoy the truly iconic DC views in your living room or from your bedroom as you drift off to a blissful night's sleep. This condo comes complete with an en-suite dual-entry bathroom featuring a walk-in custom closet with a custom shelving system. Also featured in the oversized bedroom is a cozy den area, the perfect place to relax and/or use as a home office. 400 Mass is a special place to call home with a tight-knit community of owners who truly love calling this place, home. Some of the features that residents love include the large format fitness center (complete with Nautilus machines, free-weights, cables, treadmills, and bikes), an inviting community room (featuring a large screen TV, pool table, Foosball, and loads of seating areas - the perfect spot whether hosting a party or just seeking a quiet place outside of your home to take a work call), incredible rooftop complete with a lap pool, BBQ grills, and an expansive view of DC (the 4th of July will never be the same again!), private gated pet-relief area, secured bike storage, a dedicated GARAGE PARKING SPACE, a neighborhood pub/restaurant called 'Present Company' (located in a historic firehouse - attached to 400 Mass). As for location, 400 Mass Ave is pretty tough to beat! Ideally situated just minutes from everything, you are truly in the heart of DC. Within 5 blocks in any direction, you could be at Union Station, the National Mall, City Center, Convention Center, many of DC's top-rated restaurants, and Capital One Arena When we say this place has it all we mean it. Not just a home, but an amazing place to BE!