5 Dupont Ct Brookville, NY, 11545 Gated Custom Built Masterpiece Estate In Brookville. Sitting On Over 5 Acres Of Manicured Lawns, Including A Tennis Court, Pool With Pool House, Outdoor Jacuzzi, And Koi Pond, This Home Includes Exquisite Details Featuring 10Ft Ceilings, Crown Moldings, Brazilian Cherry Hardwood Floors, Solid Mahogany Doors, Elevator, Radiant Heat, And Much More.