7405 Helmsdale Rd, Bethesda, MD 20817
Local realty services provided by:CENTURY 21 Sylvia Geist Agency
7405 Helmsdale Rd,Bethesda, MD 20817
$3,250,000
- 5 Beds
- 5 Baths
- 6,336 sq. ft.
- Single family
- Active
Listed by: ronald b mangas jr.
Office: ttr sothebys international realty
MLS#:MDMC2233412
Source:BRIGHTMLS
Price summary
- Price:$3,250,000
- Price per sq. ft.:$512.94
About this home

A home first experienced as sculpture, provoking curiosity before comprehension. It does not reveal itself immediately, and the closer you look, the more it rewards. Designed by architect David Jameson, the internationally published NaCl House explores geometry, light, projection, and proportion with extraordinary discipline and control.
A beautiful object within the landscape, the home avoids the visual heaviness of the typical contemporary build from the very first approach. Despite spanning three finished levels, its gravity-defying massing and dramatic cantilevered forms allow the structure to settle into the site with composure. Deep overhangs and hovering volumes manipulate natural light throughout the day, allowing the home to extend dramatically beyond its original footprint while preserving more of the site. Shadow, compression, openness, and proportion recalibrate constantly through movement within the home.
Walls of glass frame the surrounding landscape with restraint and clarity, while rich mahogany millwork and custom cabinetry introduce warmth and material depth. Volumes stretch unexpectedly, openings appear with exact intention, and even transitional spaces feel carefully authored.
Four bedrooms are positioned upstairs, including an exceptional primary suite with some of the home’s most dramatic architectural moments, from a soaring private sitting room to a shower that opens to the sky. On the main level, two dedicated home offices support focused work and retreat. The lower level includes a family room, guest suite, and elevator access to all three floors.
The residence reveals itself gradually through movement, shadow, materiality, and sequence. The result is architecture that remains expressive, rigorous, and remarkably controlled, rewarding its residents with continual moments of discovery....
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Home facts
- Year built:2011
- Listing ID #:MDMC2233412
- Added:8 day(s) ago
- Updated:May 21, 2026 at 01:41 PM
Rooms and interior
- Bedrooms:5
- Total bathrooms:5
- Full bathrooms:4
- Half bathrooms:1
- Flooring:Hardwood
- Bathrooms Description:Primary Bath(s)
- Kitchen Description:Breakfast Area, Cooktop - Down Draft, Dishwasher, Disposal, Kitchen - Gourmet, Kitchen - Island, Oven - Double, Recessed Lighting, Refrigerator, Stainless Steel Appliances, Water Heater
- Bedroom Description:Walk In Closet(s)
- Basement:Yes
- Basement Description:Fully Finished, Garage Access, Interior Access, Walkout Level, Windows
- Living area:6,336 sq. ft.
Heating and cooling
- Cooling:Central A/C
- Heating:Forced Air, Natural Gas
Structure and exterior
- Roof:Flat, Rubber
- Year built:2011
- Building area:6,336 sq. ft.
- Lot area:0.52 Acres
- Architectural Style:Contemporary, Mid-Century Modern
- Construction Materials:Stucco
- Exterior Features:Exterior Lighting, Patio(s)
- Levels:3 Story
Schools
- High school:WALT WHITMAN
- Middle school:THOMAS W. PYLE
- Elementary school:BANNOCKBURN
Utilities
- Water:Public
- Sewer:Public Sewer
Finances and disclosures
- Price:$3,250,000
- Price per sq. ft.:$512.94
- Tax amount:$16,785 (2026)
Features and amenities
- Laundry features:Dryer, Washer
- Amenities:Ceiling Fan(s), Electric Alarm, Elevator, Recessed Lighting
Parking
- Parking description:Attached Garage, Garage - Front Entry, Oversized
- Garage:Yes
- Garage spaces:2
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