About 637 21st St S
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. Step 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 butler’s 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. Situated on a quiet street in the highly sought-after 22202 zip code in Arlington, this home is just minutes from Washington D.C (zero stoplights to 395N), Crystal City, Amazon HQ2, the Pentagon and National Landing. A half mile to metro and just under a mile to DCA. Tons of shopping, dining and grocery stores nearby – including Whole Foods, National Landing Water Park and 23rd Street/Restaurant Row. Walk to library, tennis courts and Virginia Highlands Park. Enjoy the perfect blend of modern living and timeless style in one of Arlington’s most vibrant and convenient neighborhoods.
Features of 637 21st St S
| MLS® # | VAAR2061104 |
|---|---|
| Price | $2,399,000 |
| Bedrooms | 5 |
| Bathrooms | 4.50 |
| Full Baths | 4 |
| Half Baths | 1 |
| Square Footage | 4,554 |
| Acres | 0.14 |
| Year Built | 2024 |
| Type | Residential |
| Sub-Type | Detached |
| Style | Traditional |
| Status | Active |
Community Information
| Address | 637 21st St S |
|---|---|
| Subdivision | ADDISON HEIGHTS |
| City | ARLINGTON |
| County | ARLINGTON-VA |
| State | VA |
| Zip Code | 22202 |
Amenities
| Amenities | CeilngFan(s), Bar, Built-Ins, Butlers Pantry, Formal/Separate Dining Room, Pantry, Master Bath(s), Recessed Lighting, Walk-in Closet(s), Shades/Blinds, Wood Floors |
|---|---|
| Utilities | Cable TV Available |
| # of Garages | 2 |
| Garages | Garage - Front Entry, Garage Door Opener |
| View | Street, Trees/Woods |
| Is Waterfront | No |
Interior
| Interior Features | Floor Plan-Open |
|---|---|
| Appliances | Dishwasher, Disposal, Dryer, Oven/Range-Gas, Refrigerator, Washer, Built-In Microwave, Icemaker |
| Heating | Central, Forced Air |
| Cooling | Central A/C |
| Has Basement | Yes |
| Basement | Fully Finished, Walkout Level, Sump Pump, Windows |
| Fireplace | Yes |
| # of Fireplaces | 1 |
| Fireplaces | Gas/Propane |
| # of Stories | 3 |
| Stories | 3 |
Exterior
| Exterior | HardiPlank |
|---|---|
| Exterior Features | Street Lights, Sidewalks, Porch-screened, Porch(es), Patio, Fenced-Rear, Fenced-Fully, Wood Fence |
| Roof | Shingle, Composite |
| Foundation | Other, Slab |
School Information
| District | ARLINGTON COUNTY PUBLIC SCHOOLS |
|---|---|
| Elementary | OAKRIDGE |
| Middle | GUNSTON |
| High | WAKEFIELD |
Additional Information
| Date Listed | July 31st, 2025 |
|---|---|
| Days on Market | 75 |
| Zoning | R-5 |
| Foreclosure | No |
| Short Sale | No |
| RE / Bank Owned | No |
Listing Details
| Office | TTR Sotheby's International Realty |
|---|---|
| Contact Info | (703) 714-9030 |