Indulge unparalleled luxury in this custom-built colonial nestled in South Nashua's prestigious Castleton Estates! Set on nearly an acre of lush grounds, this home boasts three levels of opulent living space, ideal for both entertaining and relaxation. Upon entering the grand foyer, be greeted by the home's elegant charm. The formal dining room and home office, adorned with glass-paneled French doors, provide refined spaces for hosting guests. The main level showcases a gourmet kitchen with rich cherry cabinetry, granite counters, double wall ovens, and GE Cafe appliances. Adjacent is the inviting sunken family room with a gas fireplace and custom built-ins, offering picturesque views of the deck and landscaped yard. The first-floor primary suite is a sanctuary of comfort with soaring ceilings, his-and-her closets, and a luxurious custom tile shower. Upstairs, four light-filled bedrooms each feature walk-in closets and new bathrooms. The lower level offers a spacious media room, a 3/4 bath with a steam shower, studio/office, gym, and a custom wine cellar. Additional highlights include a 40’ heated pool, solar panels, a sunroom, radiant heated floors, 1st floor laundry, three new bathrooms, new roof, newly finished garage walls, new washer/dryer, and new hot water tank. This property offers luxury, comfort, and practicality in a prime location, just minutes from major amenities, the Nashua Country Club, the highway, and less than 1 hr from Boston. Schedule your showing today!