ONE OF NEW YORK'S MOST COVETED ESTATES.Enter a world where timeless elegance meets state-of-the-art luxury. Originally built in 1901 for renowned financier J. Borden Harriman, this legendary estate - historically known as Devonshire, and earlier as Uplands and once Mannices - stands as a rare example of Gilded Age grandeur, reimagined for modern living. Over its long history, the estate has been owned by some of the nation's most distinguished families, including descendants of the Vanderbilt dynasty and other notable private owners.When it last sold in 2012, it set a record as the highest residential sale in Westchester County history - an extraordinary testament to its significance and stature.Set on more than 100 acres of pristine landscape, the property offers exceptional scale, privacy, and breathtaking natural beauty, all within easy reach of Manhattan. Rolling meadows, sweeping vistas, and picturesque terrain create an unparalleled setting suited for equestrian pursui