Welcome to GRAY HORSE FARM! This magnificent iconic estate on desirable Piping Rock Road is situated on 9 gorgeous acres and offers 13,324 square feet of gracious living with 10 bedrooms, 7.555 baths and 10 fireplaces, plus beautiful apartments, exquisite 20' x 55' pool and pool house with kitchen and full bath , stable, paddocks, run-in horse shed, tennis and sports courts. The impressive scale of the home is enhanced by vintage millwork, antique hand-painted wallpaper, and priceless Samuel Yellin front gates from the JP Morgan estate. Built in 1924 and designed by architect James W. O'Connor and landscape architect Robert Ludlow Fowler, this classic brick Georgian Colonial resonates with old-world charm and grace and boasts a 17-year old slate roof. Original architectural details provide the perfect canvas for a modern lifestyle and exceptional entertaining. Renovations include the apartments, pool, pool house, tennis court, and HVAC system, ready for you to make this home your own spectacular residence! Part of Locust Valley School District, convenient to private schools, fine dining, Americana shopping, 27 miles to Manhattan. Equestrian's delight! keep your favorite horses near you! 7-car garage, whole house generator. Must see Special Features and video of antique wall covering- (click virtual tour link above to view).