• 22 days on site
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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 throughout 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 Gourmet 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 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 Three additional generously sized bedrooms, each enhanced with elegant tray ceilings Convenient upper-level full-size washer and dryer Versatile Walk-Out Lower Level Fully 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 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 Three-zone HVAC system, fully replaced in 2024 Interior and exterior freshly painted in 2026 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

Source: BRIGHT MLS, MLS#: MDMC2239266

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  • Property Type
    Residential
  • Lot
    1.23 acres

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Kenneth Nilson

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Owning this Home

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* All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

Life at 8309 OLD SEVEN LOCKS ROAD


Schools


School data courtesy of LiveBy, Inc.
Ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating. The schools displayed on this website are for informational purposes only and may not represent a complete or up-to-date list. School assignments are subject to change and should be verified directly with the local school district. Please contact the appropriate school district to confirm school zoning and enrollment eligibility for this property.

History

Date Event Value Agent
6/6/2026Source: BRIGHT MLS Added to Database
June 06, 2026
Listing provided courtesy of Keller Williams Capital Properties- MLS# MDMC2239266MLS ProviderContact Information: 2022437700