Discover the exquisite charm of 4021 19th St S, Arlington, VA--a thoughtfully designed 5-bedroom, 4.5-bathroom home that epitomizes modern luxury and convenience. Nestled on a professionally landscaped 10,000+ square foot lot, this residence boasts over 3,450 square feet of elegant living space, including a two-car side garage and a stunning blend of high-end finishes and functional design. The grand foyer welcomes you with soaring 9-foot ceilings, engineered hardwood flooring, and an open floor plan ideal for entertaining. The chef's kitchen is a masterpiece, featuring top-of-the-line Bosch appliances, quartz countertops, an oversized island, soft-close cabinetry, a wine cooler, and a hand-cut marble backsplash. The family room, complete with a sleek fireplace and shiplap feature wall, flows effortlessly into the dining area. Additional highlights on the main level include a private office and modern black custom windows that flood the space with natural light. Upstairs, the luxurious owner's suite offers a spa-like retreat with a freestanding soaking tub, a frameless glass-enclosed shower, dual vanities, and a custom walk-in closet. Three additional spacious bedrooms, including one en-suite, and a large laundry room complete the upper level. The fully finished basement includes a dry bar, an entertainment room, and a private guest suite with an en-suite bathroom. The outdoor space is equally impressive, featuring a large stone patio with a gas connection for a BBQ or fire pit, ample flat yard space perfect for kids, and beautiful hardscaping. Smart home features include a whole-home system with CAT6 wiring, a security panel with cameras, and an electric car charger. The exterior is adorned with Hardiplank siding, a natural stone facade, and flagstone stairs leading to a charming front porch with stunning city views.Located in the heart of South Arlington, this home is just minutes from Shirlington's vibrant shops, restaurants, theaters, and parks, with easy access to DC, The Pentagon, Tysons, and local schools. Combining sophisticated design, modern amenities, and a prime location, this home is a true hidden gem.