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$1,999,999 Just Listed

  • For Sale
  • Active
  • Single Family
  • 8 Beds
  • 6 Full Baths
  • 1 Partial Bath
  • 7,626 Sq. Ft.
  • 4 Car Garage
  • Updated 35 minutes ago

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Open House: 1:00 PM - 4:00 PM

Sunday 7/12 1:00 PM - 4:00 PM

8309 Old Seven Locks Road,Bethesda, MD 20817

8309 Old Seven Locks RoadBethesdaMD20817

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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

Full Property Details for 8309 Old Seven Locks Rd

General

  • Price: $1,999,999
  • Taxes: $19,430 (2025)
  • Status: Active
  • Type: Single Family
  • Source: BrightMLSMidAtlantic
  • MLS ID: MDMC2239266
  • Updated: Today (7/9/2026)
  • Added to Site: Today

Interior

  • Rooms/Areas: 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
  • Fireplace: Yes
  • Number of Fireplaces: 1
  • Flooring: Wood

Rooms

Bathrooms

  • Total Bathrooms: 7
  • Full Bathrooms: 6
  • Half Bathrooms: 1
  • Upper Floor Baths: 3
  • Upper - Full Baths: 3
  • Main Floor Baths: 2
  • Main - Full Baths: 1
  • Main - 1/2 Baths: 1
  • Lower Floor Baths: 2
  • Lower - Full Baths: 2

Bedrooms

  • Total Bedrooms: 8
  • Bedrooms Upper: 4
  • Bedrooms Lower: 3
  • Bedrooms Main & Up: 1

Other Rooms

  • Laundry: Upper Floor, Lower Floor, Dryer In Unit, Washer In Unit

Parking

  • Garage: Yes
  • Garage Spaces: 4
  • Total Spaces: 12
  • Parking Features: Asphalt Driveway, Circular Driveway
  • Parking Type: Attached Garage, Driveway
  • Garage Description: Garage - Side Entry, Oversized

Location

  • County: MONTGOMERY
  • Subdivision: POTOMAC OUTSIDE
  • Cross Streets: Seven Locks
  • Driving Directions: See GPS
  • Location Details: Other
  • City Limits: Yes

School Information

  • School District: Montgomery County Public Schools
  • Elementary School: Seven Locks
  • Middle School: Cabin John
  • High School: Winston Churchill

Community

  • Pets Allowed: Yes
  • Pets: No Pet Restrictions

Heating & Cooling

  • Central air: Yes
  • Cooling Type: Central A/C
  • Cooling Fuel: Electric
  • Heating Type: Central
  • Heating Fuel: Natural Gas
  • Water Heater: Electric

Utilities

  • Sewer: Public Sewer
  • Water: Public

Structural Information

  • Architectural Style: Colonial
  • Structure Type: Detached
  • Construction: Brick Front, Other
  • Basement: Yes
  • Basement Entrance: Yes
  • Basement Desc.: Connecting Stairway, Daylight, Full, Outside Entrance, Side Entrance, Fully Finished, Heated, Interior Access, Walkout Level
  • Foundation: Other, Passive Radon Mitigation
  • Roof: Architectural Shingle
  • Stories/Levels: 3
  • Stories Description: Lower 1, Main, Upper 1
  • Square Feet: 7,626
  • Sq. Ft. Source: Estimated
  • Living Area: 7,626 Sq. Ft.
  • Finished Above Grnd: 5,084 Sq. Ft.
  • Finished Below Grnd: 2,542 Sq. Ft.
  • Basement Finished: 100%
  • Year Built: 2002
  • Year Built Source: Assessor
  • Property Condition: Excellent

Unit Information

Unit 1

  • Bathrooms-Lower: 2
  • Bedrooms-Lower: 3

Lot Features

  • Property View: Garden/Lawn, Trees/Woods
  • Lot Size (Acres): 1.23
  • Lot Size (Sq. Ft.): 53,522
  • Lot Size Source: Assessor
  • Street/Road Desc.: Black Top
  • Zoning: R200
  • Lot Description: Backs to Trees, Cul-de-sac, Partly Wooded, Private, Rear Yard, Trees/Wooded
  • Fencing (Description): Rear, Wrought Iron, Fully, Chain Link

Green Features

  • RFactor - Ceilings: R-30
  • RFactor - Walls: R-21

Financial Considerations

  • Price Per Sq. Ft.: $393.39
  • Assessment Year: 2026
  • City/TownTax Freq: Annually
  • County Tax: $18,441
  • County Tax Freq: Annually
  • Tax w/Assessment: $1,602,300
  • Tax Amount: $19,430
  • Tax Year: 2025
  • Tax Total Finished Sq. Ft.: 5984

Disclosures and Reports

  • Ownership: Fee Simple

Listed by Keller Williams Capital Properties, ruma sikka

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— 8309 Old Seven Locks Rd —

  • ruma sikka

    Keller Williams Capital Properties

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NMLS#: 1598647

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Schools serving 8309 Old Seven Locks Rd

School District:Montgomery County Public Schools, Gaithersburg, MD
NameGradesDistance
Seven Locks Elementary School
9500 Seven Locks Road, Bethesda, MD 20817
K-51.3 mi
Cabin John Middle School
10701 Gainsborough Road, Potomac, MD 20854
6-82.7 mi
Winston Churchill High School
11300 Gainsborough Road, Potomac, MD 20854
9-123.5 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 8309 Old Seven Locks Rd Get Price Alerts and Save Property

Date
Details
Price
Change
Source
7/09/2026
Listed
$1,999,999
1617.47%
MLS
12/07/2000
Sold
$116,450
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 8309 Old Seven Locks Rd

Year
Property Taxes
Change
Tax Assessment
Change
2025
$16,974
-2%
$1,601,900
12%
2024
$17,351
33%
$1,430,733
14%
2022
$13,043
49%
$1,259,567
16%
2022
$8,772
-26%
$1,088,400
—
2018
$11,849
-8%
$1,085,233
—
2021
$12,849
1%
$1,082,067
—
2020
$12,777
1%
$1,078,900
1%
2019
$12,703
-6%
$1,072,567
1%
2018
$13,533
4%
$1,066,233
1%
2017
$13,010
8%
$1,059,900
5%
2016
$12,062
4%
$1,013,567
5%
2015
$11,637
4%
$967,233
5%
2014
$11,149
—
$920,900
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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Listed by Keller Williams Capital Properties, ruma sikka

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8309 Old Seven Locks Road, Bethesda, MD 20817 (MLS# MDMC2239266) is a Single Family property with 8 bedrooms, 6 full bathrooms and 1 partial bathroom. 8309 Old Seven Locks Road is currently listed for $1,999,999 and was received on July 09, 2026. Want to learn more about 8309 Old Seven Locks Road? Do you have questions about finding other Single Family real estate for sale in Bethesda? You can browse all Bethesda real estate or contact a Coldwell Banker agent to request more information.

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