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
Coming soon 07/07
$1,999,999
8309 Old Seven Locks Rd, Bethesda, MD 20817
8beds
7,626sqft
Single Family Residence
Built in 2002
1.23 Acres Lot
$-- Zestimate®
$262/sqft
$-- HOA
What's special
- 1 day |
- 83 |
- 7 |
Zillow last checked:
Listing updated:
Listed by:
Ruma Sikka 202-365-2304,
Keller Williams Capital Properties 301-251-1221
Source: Bright MLS,MLS#: MDMC2239266
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 8
- Bathrooms: 7
- Full bathrooms: 6
- 1/2 bathrooms: 1
- Main level bathrooms: 2
- Main level bedrooms: 1
Rooms
- Room types: Living Room, Dining Room, Primary Bedroom, Bedroom 2, Bedroom 3, Bedroom 4, Bedroom 5, Kitchen, Family Room, Foyer, Breakfast Room, Bedroom 1, Great Room, Bedroom 6, Bathroom 1, Bathroom 2, Bathroom 3, Attic, Bonus Room, Primary Bathroom, Half Bath
Primary bedroom
- Level: Upper
Primary bedroom
- Level: Main
Bedroom 1
- Level: Upper
Bedroom 2
- Level: Upper
Bedroom 3
- Level: Upper
Bedroom 4
- Level: Lower
Bedroom 5
- Level: Lower
Bedroom 6
- Level: Lower
Primary bathroom
- Level: Upper
Primary bathroom
- Level: Main
Bathroom 1
- Level: Upper
Bathroom 2
- Level: Upper
Bathroom 3
- Level: Lower
Other
- Level: Upper
Bonus room
- Level: Lower
Breakfast room
- Level: Main
Dining room
- Level: Main
Dining room
- Level: Lower
Family room
- Level: Lower
Foyer
- Level: Main
Great room
- Level: Main
Half bath
- Level: Main
Kitchen
- Level: Main
Kitchen
- Level: Lower
Living room
- Level: Main
Living room
- Level: Lower
Heating
- Central, Natural Gas
Cooling
- Central Air, Electric
Appliances
- Included: Electric Water Heater
- Laundry: Upper Level, Lower Level, Dryer In Unit, Washer In Unit
Features
- Flooring: Wood
- Basement: Connecting Stairway,Full,Exterior Entry,Side Entrance,Finished,Heated,Interior Entry,Walk-Out Access
- Number of fireplaces: 1
Interior area
- Total structure area: 7,626
- Total interior livable area: 7,626 sqft
- Finished area above ground: 5,084
- Finished area below ground: 2,542
Property
Parking
- Total spaces: 12
- Parking features: Garage Faces Side, Oversized, Asphalt, Circular Driveway, Attached, Driveway
- Attached garage spaces: 4
- Uncovered spaces: 8
Accessibility
- Accessibility features: Accessible Entrance, Accessible Approach with Ramp
Features
- Levels: Three
- Stories: 3
- Pool features: None
- Fencing: Back Yard,Wrought Iron,Full,Chain Link
- Has view: Yes
- View description: Garden, Trees/Woods
- Waterfront features: Canal
Lot
- Size: 1.23 Acres
Details
- Additional structures: Above Grade, Below Grade
- Parcel number: 161000848093
- Zoning: R200
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Single Family Residence
Materials
- Brick Front, Other
- Foundation: Other, Passive Radon Mitigation
- Roof: Architectural Shingle
Condition
- Excellent
- New construction: No
- Year built: 2002
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Subdivision: Potomac Outside
HOA
- Has HOA: No
Location
- Region: Bethesda
Financial & listing details
- Price per square foot: $262/sqft
- Tax assessed value: $1,602,300
- Annual tax amount: $19,430
- Date on market: 7/7/2026
- Listing agreement: Exclusive Right To Sell
- Listing terms: Conventional,Cash
- Ownership: Fee Simple
- Road surface type: Black Top
Estimated market value
Not available
Estimated sales range
Not available
$4,149/mo
Price history
| Date | Event | Price |
|---|---|---|
| 9/5/2025 | Listing removed | $2,500 |
Source: Zillow Rentals Report a problem | ||
| 8/18/2025 | Price change | $2,500-10.7% |
Source: Zillow Rentals Report a problem | ||
| 7/27/2025 | Price change | $2,800-6.7% |
Source: Zillow Rentals Report a problem | ||
| 7/21/2025 | Listed for rent | $3,000 |
Source: Zillow Rentals Report a problem | ||
| 7/13/2025 | Listing removed | $3,000 |
Source: Zillow Rentals Report a problem | ||
| 4/23/2025 | Listed for rent | $3,000+20% |
Source: Zillow Rentals Report a problem | ||
| 5/13/2024 | Listing removed | -- |
Source: Zillow Rentals Report a problem | ||
| 3/9/2024 | Listed for rent | $2,500 |
Source: Zillow Rentals Report a problem | ||
| 7/14/2023 | Listing removed | -- |
Source: Zillow Rentals Report a problem | ||
| 6/30/2023 | Listed for rent | $2,500 |
Source: Zillow Rentals Report a problem | ||
| 8/5/2022 | Listing removed | -- |
Source: Zillow Rental Manager Report a problem | ||
| 7/15/2022 | Price change | $2,500-9.1% |
Source: Zillow Rental Manager Report a problem | ||
| 7/6/2022 | Listed for rent | $2,750+48.6% |
Source: Zillow Rental Manager Report a problem | ||
| 7/22/2021 | Listing removed | -- |
Source: Zillow Rental Manager Report a problem | ||
| 6/29/2021 | Listed for rent | $1,850-7.5% |
Source: Zillow Rental Manager Report a problem | ||
| 5/6/2021 | Listing removed | -- |
Source:  Keller Williams Report a problem | ||
| 4/22/2021 | Listed for sale | $1,895,900+1528.1%$249/sqft |
Source: Keller Williams #MDMC754272 Report a problem | ||
| 2/25/2021 | Listing removed | -- |
Source: Owner Report a problem | ||
| 6/29/2020 | Listing removed | $1,999 |
Source: Owner Report a problem | ||
| 4/2/2020 | Price change | $1,999-4.8% |
Source: Owner Report a problem | ||
| 3/24/2020 | Listed for rent | $2,100 |
Source: Owner Report a problem | ||
| 12/7/2000 | Sold | $116,450$15/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $16,974 +3.1% | $1,601,900 +12% |
| 2024 | $16,471 +13.5% | $1,430,733 +13.6% |
| 2023 | $14,513 +20.8% | $1,259,567 +15.7% |
| 2022 | $12,010 +0.4% | $1,088,400 +0.3% |
| 2021 | $11,965 +0.2% | $1,085,233 +0.3% |
| 2020 | $11,937 +0.9% | $1,082,067 +0.3% |
| 2019 | $11,827 -0.2% | $1,078,900 +0.6% |
| 2018 | $11,849 -1.7% | $1,072,567 +0.6% |
| 2017 | $12,054 +28.3% | $1,066,233 +0.6% |
| 2016 | $9,397 | $1,059,900 +4.6% |
| 2015 | $9,397 | $1,013,567 +4.8% |
| 2014 | $9,397 | $967,233 +5% |
| 2013 | -- | $920,900 +5.8% |
| 2012 | -- | $870,523 |
| 2011 | -- | $870,523 +13.1% |
| 2010 | -- | $769,770 +5.8% |
| 2009 | -- | $727,686 +6.1% |
| 2008 | -- | $685,603 +6.5% |
| 2007 | -- | $643,520 +6.8% |
| 2006 | -- | $602,522 +7.3% |
| 2005 | -- | $561,526 +7.9% |
| 2004 | -- | $520,530 |
| 2003 | -- | $520,530 +20.6% |
| 2002 | -- | $431,450 +198.5% |
| 2001 | -- | $144,530 |
Find assessor info on the county website
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HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Climate risks
Neighborhood: 20817
Nearby schools
GreatSchools rating
- 10/10Seven Locks Elementary SchoolGrades: K-5Distance: 1.3 mi
- 9/10Cabin John Middle SchoolGrades: 6-8Distance: 2.7 mi
- 9/10Winston Churchill High SchoolGrades: 9-12Distance: 3.5 mi
Schools provided by the listing agent
- Elementary: Seven Locks
- Middle: Cabin John
- High: Winston Churchill
- District: Montgomery County Public Schools
Source: Bright MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
A local agent can set up tours, give advice and negotiate with sellers.
- Maryland
- Montgomery County
- Potomac
- 20817
- 8309 Old Seven Locks Rd
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