Tucked away in a beautifully established Greenland neighborhood, this exceptional custom Colonial offers over 4,700 sq ft of above-grade living space, + a finished lower level designed for entertaining, recreation, & relaxation. The home features a gourmet kitchen with granite counters, large center island, wine cooler, professional-grade gas range, & commercial-style vent hood, opening to spaces ideal for both everyday living & entertaining. Hardwood floors, custom millwork, central air, Control4 smart home technology, security system, & heated 3-car garage further elevate the home's appeal. The 2nd level offers 4 spacious bedrooms, including a luxurious primary suite, plus a substantial bonus room over the garage offering flexibility for a media room, playroom, home office, or guest retreat. The finished 3rd floor adds 2 additional rooms, creating exceptional space for guests, hobbies, fitness, or remote work. The finished lower level is equally impressive, featuring a dedicated theater room with Dolby Atmos surround sound, enhanced sound insulation, & sauna. Outside, the property transforms into a private backyard resort with gunite pool, swim spa, outdoor kitchen with custom granite bar, expansive patio, landscape lighting, irrigation system, & brand-new composite decking. The covered porch features removable screens for seasonal enjoyment, while mature landscaping creates a truly special setting. Recent improvements include a new roof, all-new composite decks, new whole-house generator engine, freshly sealed driveway, hydroseeded front lawn, & professionally refreshed pool deck. Additional upgrades include a whole-house soft water treatment system, spray foam insulation/weatherization, & professional ductwork/air handler cleaning. Completing the offering are a whole-house standby generator, barn with loft, motorhome pad with electric service, & an ideal Seacoast location near Portsmouth, beaches, dining, shopping, commuter routes, & Breakfast Hill Golf Club.