Well underway and due for a spring 2027 delivery, this is a singular opportunity to live in Bridgehampton on 1.5 acres with 40 acres of west-facing farm reserve view. 372 Lumber Lane is a new standout in the Kristen Farrell & Co Signature Series of properties, powered by the extensive design-build experience of the K&Co development team. The offering includes an over 12,000 sq. ft. main house, 1,500 ± sq. ft. accessory barn with additional conditioned space, west facing pool, and tennis court. The main house features a first floor primary suite with expansive southwest views, a wraparound terrace, fireplace, two walk-in closets, and an oversized bath with a private outdoor shower. Four additional en-suite guest rooms are located on the second floor. The lower level offers a full spa with sauna, steam shower, massage room, and cold plunge, plus an oversized gym and media/recreation space, along with two en-suite bedrooms accessed via separate private entrances. The lower level is inclusive of 1,100 sq. ft. of storage space ready for a future custom build-out. In total, the main house has eight en-suite bedrooms, nine full- and two half-baths, along with an attached two-car garage, chef's kitchen, pantry, great room, and living room. The accessory barn offers one full- and one half-bath, studio space on both the first and second floors, and a two-car garage. Outdoor living includes a pool, pool house, and tennis court, with landscape design by The Laurel Group. Altogether, the property offers over 16,000± sq. ft. of conditioned indoor and outdoor living space across all three structures. Conveniently located near Bridgehampton village, wineries, stables, and beaches, this is a rare chance to own new construction with open farm reserve views and a full amenity package. Ready for Spring 2027 with option to be delivered turn-key and fully furnished.