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 Montgomery county licensed 3-bedroom Accessory Dwelling Unit (ADU) or perfect In-Law suite, 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 throughout. Look at list of top schools!Over 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 views situated on a secluded 1+ acre lot at the end of a quiet dead-end street, offering exceptional privacy and tranquility Gourmet Kitchen & Main-Level Living. All the HEAVY WORK IS ALREADY DONE-2026 updated Gourmet chef’s kitchen featuring granite countertops, a large center island, upgraded KitchenAid stainless steel appliances and dual dishwashers (2025)Three-zone HVAC system, fully replaced in 2024 Interior and exterior units, 2026 new Roof, 2024 Hot water heater, freshly painted in 2026, real hardwood floors installed in 2026. Main-level bedroom suite with a private full bath, ideal for guests, multigenerational living, or a home office Elegant Upper-Level Retreat real hardwood flooring throughout the main and upper levels Impressive upper level with 10-foot ceilings throughout Expansive primary suite featuring a sitting area, custom walk-in closet, and a spa-inspired bath with an oversized walk-in shower and steam room and jacuzzi. Three additional generously sized bedrooms, each enhanced with elegant tray ceilings, fans and amazing views from all bedrooms. Convenient upper-level full-size washer and dryer. COMPS FOR NEIGHBORHOOD FOR COMPARABLE SQFT ARE $2.3M BUT THIS IS 2 HOMES FOR PRICE OF ONE AS IT HAS AN ADU! Versatile Walk-Out Lower Level Fully finished walk-out lower level featuring a separately zoned and fully permitted ADU (Accessory Dwelling Unit) or In-Law suite, Includes three bedrooms, two full baths, a 2nd kitchen, family room and bonus roon, full-size washer and dryer, and two private entrances Ideal for rental income, guest accommodations, multigenerational living, an au pair suite, or home business use Efficiency & Major System Updates Passive solar design for enhanced energy efficiency and reduced operating costs Outdoor Living & Parking Fully fenced rear yard with professional landscaping, extensive hardscaping, and custom exterior lighting Oversized custom tandem 4-car garage Exceptional off-street parking for 20+ vehicles Prime Location Convenient commuter location with easy access to Downtown Bethesda, Washington, DC, Northern Virginia, I-495, I-270, and I-95 Minutes from shopping, dining, parks, trails, and everyday conveniences