Welcome to this open and airy home in the highly coveted Town of Chevy Chase, just moments from the vibrant energy of downtown Bethesda. Originally built in 2006 and thoughtfully updated since, 4423 Walsh Street offers an exceptional blend of refined design and expansive living across four finished levels. With over 6,500 square feet, this residence delivers both scale and sophistication in one of the area's most desirable locations. Step inside the welcoming entry foyer, filled with natural light from an abundance of windows. The main level is designed for both everyday comfort and effortless entertaining, with a standout renovated kitchen, featuring a 48” professional Wolf gas range, Sub-Zero refrigerator, abundant cabinetry, and a butler's pantry complete with a second dishwasher, sink, and adjacent beverage fridge. The kitchen flows seamlessly into the sunlit breakfast nook, and the family room with a gas fireplace. Just beyond, step out to a serene, flat backyard and patio, an incredibly rare offering with ample space for a future pool. Also off the kitchen, a mudroom with built-ins adds convenience. A private office with French doors, an elegant powder room, and a formal dining room complement the open-concept layout. Upstairs, a dramatic staircase framed by two-story windows leads to a spacious upper level with hardwood floors throughout and a large laundry room. The luxurious primary suite offers a true retreat with an adjacent sitting room or additional bedroom, an expansive custom walk-in closet, and a beautifully updated en-suite bath with dual vanities, soaking tub, separate shower, and water closet. Three additional generously-sized secondary bedrooms feature oversized windows and ample closet space; one with private en-suite bath and two others complemented by a hall bath with a dual vanity. The third level provides even more flexibility with an additional bedroom, full bath, and a spacious loft; ideal for guests, work, or play. The lower level continues to impress with a versatile recreation space ideal for a home gym, game area, or media room. This level also includes a sixth bedroom with an en-suite full bath and a walk-in closet, perfect for guests or live-in help, as well as extensive storage throughout. Additional highlights include an oversized detached two-car garage and a private driveway with generous guest parking. This incredible home and expansive lot are perfectly positioned in a highly convenient location within the sought-after Bethesda-Chevy Chase High School cluster.