637 21st Street S, Arlington, VA 22202

First and only open house Sat 10/4. This rare luxury offering in the sought-after Addison Heights neighborhood (walk to Crystal City Metro) of National Landing is ready for a new owner. Thoughtfully designed and masterfully crafted in 2024 by M-R Custom Homes, this stunning 5-bedroom/4.5-bathroom residence offers over 4,500 square feet of beautifully finished interior living space across three levels. The attached two-car garage, screened porch w/ ceiling mounted heaters, spacious patio and fully fenced yard provide an abundance of exterior living space.nnStep inside to discover 9 ceilings, wide-plank hardwood floors, refined architectural details and curated finishes throughout to elevate everyday living. The open-concept main level features a sun-drenched living room with a gas fireplace, a gourmet kitchen with top-of-the-line appliances (Wolf/Sub-Zero), quartz countertops and waterfall island. Walkthrough the butlers pantry to access a spacious dining area ideal for entertaining. Upstairs, the luxurious primary suite includes a spa-inspired bathroom (rough in plumbing for soaking tub) and generous walk-in closet. Three additional bedrooms reside on this level, one with an ensuite bathroom and the other two share a jack-and-jill. A fully finished lower level, also with 9 ceilings, offers a versatile living area with a built-in bar (including beverage fridge and ice maker), a private guest suite, and ample storage/closet space.nnSituated on a quiet street in the highly sough