Brand New Construction featuring open staircase with full FINISHED BASEMENT. Nov Completion. A rare opportunity in the heart of North Syosset: a brand-new LUXURY residence on a flat half-acre property with IN-GROUND POOL. MODEL HOME AVAILABLE FOR VIEWING. This center hall colonial will offer approximately 4280 square feet of living space, featuring 5 bedrooms, 4.5 bathrooms, and an expansive open layout ideal for entertaining and everyday living. Exterior metal roof, Ceilings soar at 9 feet on the main level, dramatic double-height foyer with custom millwork, and 8 feet ceiling in the basement, creating a sense of grandeur throughout. First floor also features first primary bedroom with full bath, powder room for guests, mud room with access to outdoor pool, formal living room, formal dining room, expansive family room with gas fireplace, custom built-ins, and gourmet gas kitchen with WALK IN pantry closet. A dramatic split staircase leads to the second floor which features a spacious main primary suite as a luxurious private retreat, 3 additional bedrooms, and 2 more full baths, plus laundry room. 8 foot basement ceiling height and a two-car garage add flexibility and value. Located in the Syosset School District and close to the LIRR, fine dining, and local shopping, this custom new construction combines timeless design, exceptional craftsmanship, and a prime location. This stunning home will be crafted to perfection by a prominent local builder and finished with the finest materials and design.