A 4,900-square-foot home in Boston's Back Bay with a roof deck, outdoor kitchen and elevator with transparent walls located inside the curved staircase has sold for $9.6 million. The single-family building at 126 Marlborough St. includes four bedrooms, five full bathrooms and two half-baths. In a relative rarity for Back Bay, it also includes an attached two-car garage. Stream NBC10 Boston news for free, 24/7, wherever you are. WATCH HERE WATCH HEREMore on this story from Boston Business Journal