This extraordinary 6-bedroom, 9-bath, 13,000+ sq ft estate blends blends timeless French château elegance with bold ultra-modern design. Created by an accomplished architect for his personal legacy residence, it features soaring glass walls, floating staircases, and hand-selected finishes. A dramatic two-story Living Room with artisan chandelier sets the tone, flowing into a sleek Kitchen, formal Dining Room, and expansive Family Room. Two main-level Bedrooms include a private Guest Suite with separate entry and garage access are ideal for multi-generational living. Upstairs, the stunning Primary Suite offers spa-like luxury, while three additional ensuite Bedrooms and a sunlit Family Lounge complete the level. The above-ground lower level is a light-filled entertainer’s dream, with a designer bar, home theater, bonus room, and sculptural glass staircase.Enjoy outdoor living with a full kitchen, covered patio, and manicured grounds. With a 5-zone HVAC, elevator-ready infrastructure, and garage parking for 3, this one-of-a-kind home delivers elegance, innovation, and unparalleled style.
For sale
Price cut: $350K (6/26)
$2,950,000
10405 Boswell Ln, Potomac, MD 20854
6beds
13,618sqft
Est.:
Single Family Residence
Built in 2018
1 Acres Lot
$2,817,100 Zestimate®
$217/sqft
$-- HOA
What's special
Floating staircasesSculptural glass staircasePrivate guest suiteHand-selected finishesCovered patioArtisan chandelierSpa-like luxury
- 59 days
- on Zillow |
- 918 |
- 40 |
Zillow last checked: 7 hours ago
Listing updated: July 01, 2025 at 01:22pm
Listed by:
Michelle Yu 240-888-5076,
Long & Foster Real Estate, Inc. 301-469-4700,
Listing Team: Michelle Yu Team
Source: Bright MLS,MLS#: MDMC2178096

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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 9
- Full bathrooms: 7
- 1/2 bathrooms: 2
- Main level bathrooms: 4
- Main level bedrooms: 2
Rooms
- Room types: Living Room, Dining Room, Primary Bedroom, Sitting Room, Bedroom 2, Bedroom 4, Bedroom 5, Kitchen, Family Room, Foyer, Breakfast Room, Bedroom 1, 2nd Stry Fam Rm, Laundry, Other, Office, Recreation Room, Bedroom 6, Bonus Room, Primary Bathroom, Full Bath, Half Bath
Primary bedroom
- Features: Flooring - Bamboo, Walk-In Closet(s), Ceiling Fan(s)
- Level: Upper
Bedroom 1
- Features: Attached Bathroom, Built-in Features, Flooring - Bamboo
- Level: Main
Bedroom 2
- Features: Attached Bathroom, Flooring - Carpet, Recessed Lighting, Built-in Features, Walk-In Closet(s)
- Level: Main
Bedroom 4
- Features: Flooring - Other, Flooring - Bamboo, Ceiling Fan(s), Walk-In Closet(s), Built-in Features, Attached Bathroom
- Level: Upper
Bedroom 5
- Features: Flooring - Bamboo, Walk-In Closet(s), Attached Bathroom, Ceiling Fan(s), Built-in Features
- Level: Upper
Bedroom 6
- Features: Flooring - Bamboo, Attached Bathroom, Ceiling Fan(s), Walk-In Closet(s)
- Level: Upper
Primary bathroom
- Features: Flooring - Other, Bathroom - Walk-In Shower, Double Sink
- Level: Upper
Other
- Features: Crown Molding, Flooring - Wood, Built-in Features
- Level: Upper
Bonus room
- Features: Flooring - Carpet, Flooring - Other, Recessed Lighting
- Level: Upper
Bonus room
- Features: Flooring - Carpet
- Level: Lower
Breakfast room
- Features: Flooring - Other, Crown Molding, Recessed Lighting
- Level: Main
Dining room
- Features: Fireplace - Electric, Flooring - Other, Crown Molding, Recessed Lighting, Formal Dining Room
- Level: Main
Family room
- Features: Flooring - Other, Fireplace - Gas, Built-in Features
- Level: Main
Foyer
- Features: Flooring - Other, Cathedral/Vaulted Ceiling
- Level: Main
Other
- Features: Bathroom - Walk-In Shower, Double Sink, Recessed Lighting
- Level: Upper
Other
- Features: Bathroom - Walk-In Shower
- Level: Upper
Other
- Features: Flooring - Ceramic Tile, Bathroom - Walk-In Shower
- Level: Lower
Other
- Features: Bathroom - Walk-In Shower
- Level: Upper
Other
- Level: Main
Other
- Features: Bathroom - Walk-In Shower
- Level: Main
Half bath
- Level: Main
Half bath
- Features: Flooring - Other, Crown Molding
- Level: Main
Kitchen
- Features: Kitchen - Gas Cooking, Double Sink, Countertop(s) - Quartz
- Level: Main
Laundry
- Features: Built-in Features, Recessed Lighting
- Level: Upper
Living room
- Features: Cathedral/Vaulted Ceiling, Fireplace - Electric, Built-in Features, Flooring - Other
- Level: Main
Mud room
- Level: Main
Office
- Features: Flooring - Solid Hardwood, Recessed Lighting
- Level: Main
Other
- Features: Flooring - Carpet
- Level: Lower
Recreation room
- Features: Flooring - Luxury Vinyl Tile, Countertop(s) - Quartz, Wet Bar
- Level: Lower
Recreation room
- Features: Flooring - Luxury Vinyl Tile
- Level: Lower
Sitting room
- Features: Flooring - Bamboo
- Level: Main
Heating
- Forced Air, Natural Gas
Cooling
- Central Air, Ceiling Fan(s), Zoned, Electric
Appliances
- Included: Microwave, Dishwasher, Oven/Range - Gas, Refrigerator, Stainless Steel Appliance(s), Washer, Dryer, Water Heater, Water Treat System, Gas Water Heater
- Laundry: Upper Level, Laundry Room, Mud Room
Features
- Additional Stairway, Bar, Bathroom - Walk-In Shower, Built-in Features, Ceiling Fan(s), Crown Molding, Double/Dual Staircase, Family Room Off Kitchen, Open Floorplan, Formal/Separate Dining Room, Kitchen - Gourmet, Kitchen Island, Primary Bath(s), Recessed Lighting, Sound System, Spiral Staircase, Other
- Flooring: Bamboo, Carpet, Other, Wood
- Doors: French Doors
- Windows: Energy Efficient, Sliding
- Basement: Full,Finished,Improved,Exterior Entry,Walk-Out Access,Windows
- Has fireplace: No
Interior area
- Total structure area: 14,594
- Total interior livable area: 13,618 sqft
- Finished area above ground: 10,018
- Finished area below ground: 3,600
Property
Parking
- Total spaces: 9
- Parking features: Garage Faces Side, Garage Faces Front, Garage Door Opener, Oversized, Circular Driveway, Attached, Driveway
- Attached garage spaces: 3
- Uncovered spaces: 6
Accessibility
- Accessibility features: None
Features
- Levels: Three
- Stories: 3
- Patio & porch: Patio
- Exterior features: Barbecue, Lighting, Flood Lights, Balcony
- Pool features: None
Lot
- Size: 1 Acres
- Features: Landscaped, Premium, Rear Yard
Details
- Additional structures: Above Grade, Below Grade
- Parcel number: 160400047597
- Zoning: RE1
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Contemporary
- Property subtype: Single Family Residence
Materials
- Stucco
- Foundation: Concrete Perimeter
Condition
- Excellent
- New construction: No
- Year built: 2018
Utilities & green energy
- Sewer: Public Septic
- Water: Public
Community & HOA
Community
- Subdivision: Pt Rockville Out Res 3
HOA
- Has HOA: No
Location
- Region: Potomac
Financial & listing details
- Price per square foot: $217/sqft
- Tax assessed value: $2,255,300
- Annual tax amount: $26,394
- Date on market: 5/7/2025
- Listing agreement: Exclusive Right To Sell
- Listing terms: Conventional,Cash,Other
- Ownership: Fee Simple
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