Welcome to this luxurious and spacious home on 5 acres completely flat on a quiet cul-de-sac setting in the Village of Upper Brookville. Locust Valley School District. A private gated entry leads to a courtyard and this spectacularly grand all brick 6 bedroom/6.5 bath colonial. Custom built with high quality materials and craftsmanship. The entrance foyer with soaring ceilings opens to a desired layout for today's lifestyle, including a Library, Den with fireplace, 20' Great Room, large kitchen with breakfast room, Formal Dining and more. Primary bedroom suite on the 1st floor with adjacent Office. On the 2nd floor all 4 bedrooms have en-suite baths, 2 bonus rooms. Guest quarters and back staircase up and down. 3+ car attached garage. Full large unfinished basement with high ceilings perfect to design your own lower level. Natural gas heat. French doors lead to beautiful grounds including an inground gunite swimming pool, expansive blue stone patio all overlooking the serene property. Flattest land you can get, particularly with this acreage. Located close to nearby Planting Fields Arboretum and quaint town shopping in Locust Valley and Oyster Bay. Very easy access to main roads including 25A and a short trip to the train and Expressway. Enjoy North Shore living within proximity to numerous golf and tennis clubs, nature preserves, bicycle trails, farms and cultural destinations. Country setting not far from Manhattan. Be just the second owner at this magnificent estate.