10721 Red Barn Lane
POTOMAC, MD 20854
- 6 beds
- 9 baths
- 16,718 sqft
- ~10 acre lot
- $270 per sqft
- 2008 build
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Located on one of the most coveted streets in Potomac, this fairy tale estate on 10 acres is an architectural masterpiece. A circular auto court and professionally landscaped grounds introduce an impressive stone facade with limestone accents. Custom built by Brendan O'Neill and boasting 6 bedrooms/8.5 baths, six fireplaces and 5 car garage, extraordinary workmanship and materials abound. Vaulted ceilings, elegant archways, custom millwork and panoramic vistas from every room. The home's entry provides immediate impact: Jerusalem Limestone flooring, a massive staircase with custom walnut balustrade and newel post, and 14' ceilings. The Main Level provides two stately home offices, a junior primary suite, dramatic step-down salon, grand Dining Room, and stunning double volume great room with floor to ceiling Palladian windows. A chef's kitchen with adjoining butler's pantry includes high end appliances, designer finishes, informal dining space and a cozy fireside seating area. Enhancing the home's functionality are a generous command center, walk-in pantries, gear storage closets, and robust mudroom. Ascend to the Upper Level via one of three stairways - one of which is hidden! The primary suite is simply sublime with its own balcony, fireplace, spa-like bath, dual walk in closets and private sitting room. Four secondary bedrooms, an upstairs homework/study space and laundry room complete the Upper Level. The walkout Lower Level provides endless recreation opportunities from the sports/basketball court, to an oversized home gym, sauna, future wine cellar and copious space for movies, television and games. Opportunities for outdoor entertaining and relaxation abound. A fabulous covered loggia with oversized outdoor fireplace provides three season dining and enjoyment. Numerous patios and hidden terraces allow contemplation of the panoramic vistas and specimen plantings from every angle. Truly the most special offering currently available in Potomac.
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Last updated May 16, 2025
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MLS# MDMC2175238 —
The Building
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Year Built:2008
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Year Built Source:Assessor
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Roof:Slate
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New Construction:No
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Construction Materials:Brick, Stone
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Builder Name:Brendan O'neill
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Structure Type:Detached
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Architect Name:John Neufeld Architects
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Architectural Style:French, Tudor
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Levels:3
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Accessibility Features:None
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Foundation Details:Concrete Perimeter
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Basement:Yes
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Basement Type:Connecting Stairway, Daylight, Full, Daylight, Partial, Fully Finished, Outside Entrance, Rear Entrance, Walkout Level, Windows
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Total SqFt Source:Assessor
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Total Below Grade SqFt:6161
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Total Below Grade SqFt Source:Assessor
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Above Grade Finished Area Units:Square Feet
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Above Grade Finished SqFt:11218
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Above Grade Finished SqFt Source:Assessor
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Below Grade Finished Area Units:Square Feet
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Below Grade Unfinished Area Units:Square Feet
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Below Grade Finished SqFt Source:Assessor
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Below Grade Finished SqFt:5500
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Below Grade Unfinished SqFt:661
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Below Grade Unfinished SqFt Source:Assessor
Interior
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Interior Features:Additional Stairway, Bar, Built-Ins, Butlers Pantry, Crown Moldings, Entry Level Bedroom, Family Room Off Kitchen, Floor Plan - Traditional, Formal/Separate Dining Room, Kitchen - Eat-In, Kitchen - Gourmet, Kitchen - Island, Pantry, Primary Bath(s), Recessed Lighting, Sauna, Upgraded Countertops, Walk-in Closet(s), Wet/Dry Bar, Window Treatments, Wood Floors, Bathroom - Walk-In Shower, Breakfast Area, Exposed Beams
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Flooring Type:Hardwood, Stone
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Fireplace:Yes
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Fireplaces:6
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Fireplace Features:Fireplace - Glass Doors, Gas/Propane, Mantel(s), Wood
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Wall & Ceilings:2 Story Ceilings, 9'+ Ceilings, High, Plaster Walls
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Living Area SqFt Source:Assessor
Room Dimensions
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Total SqFt:17379
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Living Area SqFt:16,718 Sqft
Financial & Terms
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Sale Type:Standard
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Buyer Financing:Cash
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Possession:Settlement
Location
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Directions:OUT RIVER RD, RIGHT ON FALLS RD, LEFT ON S. GLEN, RIGHT ON GLEN MILL, LEFT ON RED BARN LANE
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Latitude:39.05584000
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Longitude:-77.22268000
The Property
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Property Type:Residential
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Property Condition:Excellent
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Lot Size Units:Square Feet
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Lot Size Acres:10.00
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Lot Size Source:Estimated
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Lot Features:Additional Lot(s), Backs to Trees, Landscaping, No Thru Street, Private
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Lot SqFt:435,600 Sqft
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Additional Parcels:Yes
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Additional Parcels:Adjoining 5 Acres Parcel With Separate Tax Id
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Zoning:RE2
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Road Responsibility:Road Maintenance Agreement
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View:Panoramic, Pasture, Pond, Trees/Woods
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In City Limits:No
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Other Structures:Above Grade, Below Grade
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Waterview:Yes
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Waterfront:No
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Water Oriented:No
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Water Access:No
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Navigable Water:No
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Tidal Water:No
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Front Foot Fee:533.32
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Riparian Rights:No
Listing Agent
- Contact info:
- Agent phone:
- (202) 251-3175
- Office phone:
- (202) 448-9002
Taxes
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Tax ID Number:161003502620
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Tax Year:2024
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Tax Lot:50
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Tax Annual Amount:$60,859
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Tax Assessed Value:$5,177,700
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Year Assessed:2024
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County Tax:59606.00
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Total Taxes Payment Frequency:Annually
Beds
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Bedrooms:6
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Bedrooms Main Level:1
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Upper Level Bedrooms:5
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Upper Level 1 Bedrooms:5
Baths
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Total Baths:9
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Full Baths:8
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Half Baths:1
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Main Level Baths:3.00
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Main Level Full Baths:2
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Main Level Half Baths:1
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Upper Level Full Baths:4
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Lower Level Full Baths:2
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Upper Level Total Baths:4
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Upper Level Total Baths:4.00
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All Lower Levels Total Baths:2
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Lower Level Total Baths:2.00
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Upper Level Full Baths:4
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Lower Level Full Baths:2
The Listing
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Close Sale Type:Standard Sale
Heating & Cooling
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Cooling Type:Central A/C
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Central Air:Yes
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Cooling Fuel:Electric, Geothermal
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Heating:Yes
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Heating Type:Forced Air, Heat Pump(s), Humidifier, Programmable Thermostat, Zoned
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Heating Fuel:Geo-thermal, Propane - Owned
Utilities
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Sewer/Septic:Private Septic Tank
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Hot Water:60+ Gallon Tank, Multi-tank
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Water Source:Public
Appliances
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Laundry Type:Main Floor, Upper Floor
Schools
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Elementary School:Wayside
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Middle School:Herbert Hoover
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High School:WINSTON CHURCHILL
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School District Name:Montgomery County Public Schools
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School District Source:3rd Party
The Community
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Subdivision Name:Horizon Hill
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Senior Community:No
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Exterior Features:Extensive Hardscape, Exterior Lighting, Gutter System, Sport Court, Stone Retaining Walls
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Pool:No Pool
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Association Recreation Fee:No
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HOA:No
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Condo/Coop Association:No
Parking
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Total Garage and Parking Spaces:11
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Garage:Yes
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Garage Features:Garage - Side Entry, Garage Door Opener, Inside Access, Oversized
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Garage Spaces:5.00
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Type of Parking:Attached Garage, Driveway, Detached Garage
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Parking Features:Circular Driveway
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# of Attached Garage Spaces:2
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# of Detached Garage Spaces:3
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Driveway - # of Spaces:6
Extra Units
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Vacation Rental:No
Walk Score®
Provided by WalkScore® Inc.
Walk Score is the most well-known measure of walkability for any address. It is based on the distance to a variety of nearby services and pedestrian friendliness. Walk Scores range from 0 (Car-Dependent) to 100 (Walker’s Paradise).
Bike Score®
Provided by WalkScore® Inc.
Bike Score evaluates a location's bikeability. It is calculated by measuring bike infrastructure, hills, destinations and road connectivity, and the number of bike commuters. Bike Scores range from 0 (Somewhat Bikeable) to 100 (Biker’s Paradise).
Soundscore™
Provided by HowLoud
Soundscore is an overall score that accounts for traffic, airport activity, and local sources. A Soundscore rating is a number between 50 (very loud) and 100 (very quiet).
Air Pollution Index
Provided by ClearlyEnergy
The air pollution index is calculated by county or urban area using the past three years data. The index ranks the county or urban area on a scale of 0 (best) - 100 (worst) across the United Sates.
Sale history
Date | Event | Source | Price | % Change |
---|---|---|---|---|
5/15/25
May 15, 2025
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Pending | BRIGHT | $4,595,000 | |
5/15/25
May 15, 2025
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Listed / Active | BRIGHT | $4,595,000 | 1.5% |
5/15/25
May 15, 2025
|
Sold | BRIGHT | $4,525,000 |