8309 Old Seven Locks Road, BETHESDA, MD 20817 (MLS # MDMC2239266)
Twitter
Facebook
Email
|
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, 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
| DAYS ON MARKET | 1 | LAST UPDATED | 6/6/2026 |
|---|---|---|---|
| TRACT | POTOMAC OUTSIDE | YEAR BUILT | 2002 |
| GARAGE SPACES | 4.0 | COUNTY | MONTGOMERY |
| STATUS | Active | PROPERTY TYPE(S) | Single Family |
| School District | MONTGOMERY COUNTY PUBLIC SCHOOLS |
|---|---|
| Elementary School | SEVEN LOCKS |
| Jr. High School | CABIN JOHN |
| High School | WINSTON CHURCHILL |
| ADDITIONAL DETAILS | |
| AIR | Central Air, Electric |
|---|---|
| AIR CONDITIONING | Yes |
| APPLIANCES | Dryer, Electric Water Heater, Washer |
| BASEMENT | Daylight, Exterior Entry, Finished, Full, Interior Entry, Walk-Out Access, Yes |
| CONSTRUCTION | Brick Veneer, Other |
| FIREPLACE | Yes |
| GARAGE | Yes |
| HEAT | Central, Natural Gas |
| LOT | 1.23 acre(s) |
| PARKING | Oversized, Asphalt, Circular Driveway, Garage, Driveway, Attached |
| POOL DESCRIPTION | None |
| SEWER | Public Sewer |
| STORIES | 3+ |
| STYLE | Colonial |
| SUBDIVISION | POTOMAC OUTSIDE |
| TAXES | 19430 |
| VIEW | Yes |
| VIEW DESCRIPTION | Trees/Woods, Garden |
| WATER | Public |
| WATERFRONT DESCRIPTION | Canal Front |
MORTGAGE CALCULATOR
TOTAL MONTHLY PAYMENT
0
P
I
*Estimate only
| SATELLITE VIEW |
| / | |
We respect your online privacy and will never spam you. By submitting this form with your telephone number
you are consenting for Karen
Hall to contact you even if your name is on a Federal or State
"Do not call List".
Listing provided by Keller Williams Capital Properties
Listing information is deemed reliable, but not guaranteed.
This IDX solution is (c) Diverse Solutions 2026.