445 Marlborough is an exquisite single-family townhome on the sunny side of one of Back Bay’s most desirable streets. Enter the 1885 building to find a surprisingly warm contemporary aesthetic masterfully renovated by famed Boston Architect, Hacin & Associates. Access 6,200+/- sq.ft. on five levels of living via a striking staircase or an interior elevator that services all five levels. The open concept living, dining & kitchen encompass an entire level, offering an expansive feel to the spaces you will use most often. Four private bedrooms all offer en-suite baths. There are separate suites for in-laws and au-pairs. The living space also features three fireplaces, two offices, a playroom, gym & two half-baths. Enjoy two inviting roof decks with incredible city views and gas grill hookups. Modern conveniences include Smart-Home technology and an upgraded HVAC system. There is an attached two-car garage and two additional parking spaces.