8309 Old Seven Locks Road Bethesda, MD 20817

Custom-built 7,600+ sq. ft. estate on a private 1+ acre lot featuring a fully permitted 3-bedroom ADU, passive solar design, and parking for 20+ vehicles.One-of-a-kind custom-designed residence, lovingly maintained by its original owners and enhanced with numerous premium upgrades throughoutOver 7,600 square feet of luxurious living space featuring an open-concept floor plan, a grand two-story foyer, and a spectacular two-story great room with soaring windows showcasing private wooded viewsSituated on a secluded 1+ acre lot at the end of a quiet dead-end street, offering exceptional privacy and tranquilityGourmet Kitchen & Main-Level LivingGourmet chef’s kitchen featuring granite countertops, a large center island, upgraded KitchenAid stainless steel appliances, and dual dishwashers (2025)Main-level bedroom suite with a private full bath, ideal for guests, multigenerational living, or a home officeElegant Upper-Level RetreatReal hardwood flooring throughout the main and upper levelsImpressive upper level with 10-foot ceilings throughoutExpansive primary suite featuring a sitting area, custom walk-in closet, and a spa-inspired bath with an oversized walk-in shower and steam roomThree additional generously sized bedrooms, each enhanced with elegant tray ceilingsConvenient upper-level full-size washer and dryerVersatile Walk-Out Lower LevelFully finished walk-out lower level featuring a separately zoned and fully permitted ADU (Accessory Dwelling Unit)Includes three bedrooms, two full baths, a full kitchen, family room and bonus roon, full-size washer and dryer, and two private entrancesIdeal for rental income, guest accommodations, multigenerational living, an au pair suite, or home business useEfficiency & Major System UpdatesPassive solar design for enhanced energy efficiency and reduced operating costsThree-zone HVAC system, fully replaced in 2024Interior and exterior freshly painted in 2026Outdoor Living & ParkingFully fenced rear yard with professional landscaping, extensive hardscaping, and custom exterior lightingOversized custom tandem 4-car garageExceptional off-street parking for 20+ vehiclesPrime LocationConvenient commuter location with easy access to Downtown Bethesda, Washington, DC, Northern Virginia, I-495, I-270, and I-95Minutes from shopping, dining, parks, trails, and everyday conveniences