Tucked away in Pound Ridge, New York, a bucolic Westchester County town about 43 miles northeast of Manhattan and bordering Connecticut, rests a striking mirrored retreat designed by KieranTimberlake. The Philadelphia-based architecture firm—whose projects include the U.S. Embassy in London—perched the home atop 19.5 acres of forest, meadows, granite outcroppings, and protected conservation land.

Commissioned by mutual fund manager Michael Kagan and his wife, Olga, a film producer, the glass, zinc-coated copper, and mirror-polished stainless steel structure was completed in 2014. Per The Wall Street Journal, the couple originally paid $1.75 million for a roughly 33-acre property with a circa-1950s home. They later sold that house on a 3.52-acre lot, donated 10 acres to local land conservation, and built their custom masterpiece on the remaining acreage. Now living primarily in Miami, the Kagans have listed the estate for $15 million with Brian Milton of Compass.

51 Old Stone Hill Michael Kagan House NY

Large glass doors in a fireside living room open out to an alfresco dining area.

Alan Barry

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Spanning almost 4,500 square feet, the gated residence offers four bedrooms, three full bathrooms, and a powder room. Elegant, gallery-like interiors on two levels are defined by soaring white oak ceilings, walnut millwork, and a curved floating staircase. Modern conveniences include an elevator and geothermal heating.

A towering front door leads into a double-height entry foyer, where a 17-foot-long glass-enclosed bridge traversing a narrow ravine separates the single-level public wing and the two-story private sleeping wing. Standing out is a fireside living room, which connects to a dining space and a sleek German Eggersmann-designed kitchen.

51 Old Stone Hill Michael Kagan House NY

A dining area abuts a sleek German Eggersmann kitchen with a dark gray natural stone island.

Alan Barry

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Other highlights include a media room and a 2,400-bottle wine cellar, while the private quarters feature a primary suite with a sunlit, mosaic-tiled bath. Lush grounds round out the property, offering a covered alfresco dining patio with a grilling station, a rustic fire pit conversation area, a small waterfall-fed koi pond, and an attached two-car garage.

The Kagans told the WSJ they love their home but are trading New York winters for Miami’s year-round sunshine, and, since home prices are booming in Westchester County, the couple decided it is the ideal time to sell.

Click here for more photos of the Pound Ridge residence.

51 Old Stone Hill Michael Kagan House NY

Alan Barry

Authors

Wendy Bowman

Wendy Bowman is a real estate writer at Robb Report. Before that, she was a freelancer for Modern Luxury and several other media outlets, where she primarily covered luxury properties for…