Pending

MLS: #MDMC2233412, Listed By: Ronald Mangas, TTR Sothebys International Realty, Source:Bright MLS

7405 Helmsdale Road

BETHESDA, MD 20817
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Bed 5

Bed

Bath 5

Bath

SqFt6,336

Sqft

Acres0.52

Acre(Lot)

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, recipient of a 2014 Residential Architect Magazine Design Award for this project, 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 th e 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. Widely recognized for its architectural significance, the NaCl House remains one of the region's most compelling modern residences. The result is architecture that remains expressive, rigorous, and remarkably controlled, rewarding its residents with continual moments of discovery.

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Detail Ic Property Details

Property Type : Residential

Price : $3,250,000

AD Id : 78459051

MLS Id : MDMC2233412

Beds : 5

Lot Size : 0.52 Acre

Living Area Size : 6,336

Year Built : 2011

Garage : 2

County : MONTGOMERY

Subdivision: Bannockburn Estates

  • Map Map

Map

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Feature Features

  • Bedroom Information

    Total beds: 5

    Bathroom Information

    Total Baths: 5 Full Baths: 4 Half Baths: 1

    Room Information

    Has Basement: Yes Basement: Finished, Walk-Out Access, Interior Entry
  • Flooring Information

    Wood, Hardwood
  • Roofing Information

    Flat, Rubber
  • Interior Features

    Ceiling Fan(s), Elevator, Kitchen Island, Recessed Lighting, Walk-In Closet(s), High Ceilings, Open Floorplan Roof: Flat, Rubber Appliances: Double Oven, Gas Water Heater, Dishwasher, Disposal, Dryer, Refrigerator, Stainless Steel Appliance(s), Washer, Water Heater, Cooktop Laundry Features: Upper Level
  • Heating & Cooling

    Has Heating: Yes Heating: Natural Gas, Forced Air Has Cooling: Yes Cooling: Central Air, Ceiling Fan(s), Electric

  • Building Information

    Year Built: 2011 Building Area Total: 6336 Construction Materials: Stucco Patio And Porch Features: Patio Pool Features: Community Private Pool: No View: Garden
  • Exterior Features

    Exterior Features: Lighting

  • Lot Information

    Lot Size Acres: 0.52 Lot Size Source: Estimated Lot Size Square Feet: 22492

    Property Information

    Subdivision: BANNOCKBURN ESTATES Source Property Type: Residential Postal Code Plus 4: 4627 Property SubType: Single Family Residence Direction Faces: West Levels: Three Or More Property Age: 15

  • Listing Price Information

    Listing Price: $3250000

  • Tax Information

    Parcel Number: 160700685740 Tax Lot: 6 Tax Year: 2026 Annual Tax: $16785

  • Parking Information

    Parking Total: 2 Oversized, Garage, Driveway, Attached

    Garage Information

    Has Garage: Yes Has Attached Garage: Yes Garage Space: 2 Pets Allowed: Yes

  • School Information

    Elementary School: BANNOCKBURN
    Junior High School: THOMAS W. PYLE
    Senior High School: WALT WHITMAN
  • Location Information

    Direction: From Nevis, head North, House is on the Right. WaterSource: Public
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Nearby Home Value

Address Estimate Bed Bath Sq. Ft Lot Size
5510 Brite Drive, Bethesda, MD, 20817 $2,849,000 6 7 5,927 5,927 SqFt
5600 Brite Drive, Bethesda, MD, 20817 $4,150,000 5 6 6,574 6,574 SqFt
5507 Charlcote Road, Bethesda, MD, 20817 $3,195,000 6 6 3,627 3,627 SqFt
5701 Radnor Court, Bethesda, MD, 20817 $1,384,000 4 3 2,371 2,371 SqFt
7301 Durbin Terrace, Bethesda, MD, 20817 $1,695,000 5 4 3,246 3,246 SqFt
5514 Mckinley Street, Bethesda, MD, 20817 $2,729,900 6 7 6,521 6,521 SqFt
8204 Hampden Lane, Bethesda, MD, 20817 $2,349,000 5 5 4,322 4,322 SqFt
5828 Tanglewood Drive, Bethesda, MD, 20817 $3,795,000 5 7 6,108 6,108 SqFt
5605 Alta Vista Road, Bethesda, MD, 20817 $975,000 3 3 2,286 2,286 SqFt
8908 Mohawk Lane, Bethesda, MD, 20817 $2,199,000 6 5 5,883 5,883 SqFt

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ByOwner last updated this listing 06/12/2026 @ 19:24

MLS: MDMC2233412 LISTED BY: Ronald Mangas, TTR Sothebys International Realty 703-319-3344 SOURCE: Bright MLS

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