Historic Commonwealth Avenue Penthouse opportunity with private roof deck and one deeded parking space in rear of building. This duplex home that overlooks the Commonwealth Mall is located in a Romanesque style brownstone which has two bedrooms, two full spa like marble bathrooms, and an elegant front facing living and dining room with original detail fireplace, bay windows, and French doors to the kitchen with appliances by Sub Zero, Bosch and Thermador. The loft-like master bedroom with skylight encompasses the upper level and connects to a separate sitting area, large walk-in closet and full bath with stackable laundry. Modern amenities include recessed lighting, a wet bar, new gas lines installed throughout the building, central A/C with newer compressor, and updated elegant common spaces all in a professionally managed association. A full staircase leading to roof deck offers wonderful views of tree-lined Commonwealth Avenue and the Back Bay skyline.