Nestled on 6 acres with a one-acre lawn and surrounding conservation land, this 7,663 sq ft architect-designed single-family home offers 15 rooms, 5+ bedrooms, and 6 baths. Built in 2008, the property features a 3-car garage, radiant in-floor heating, fresh-air exchange, and energy-efficient 2x6 construction with icynene insulation. Unique highlights include an authentic tearoom, Japanese bath, glass shoji doors, and a sunken-table great room. Indoor and outdoor fireplaces, balconies, and a stone patio enhance the living experience. Quarter-sawn oak and bamboo floors, cherrywood kitchen, and windows on two sides of every room bring warmth and light. The in-law/au pair suite has its own kitchen, living room, bedroom, and two baths. A reserve generator supports the main living areas of the primary residence and the in-law apartment. Convenient to Routes 95, 90, 2, and 3 with a 30-minute commute to Boston/Cambridge. Offered at $4.7M. Proof of funds required for showings.