One of a kind, architect-designed, brand new built 4 bed 3.5 bath single family like residence with tons of natural light and luxurious finishes for a bright and airy modern interior. Devised by Suzumori Architecture, the main level has high ceilings, generous entertainment-size living areas with a floating fireplace as a focal point, a unique sculptural stairway and a beautifully streamlined kitchen with Walnut cabinets and built-ins, Thermador appliances and Quartzite island. It expands and connects flawlessly to a 30' long family + media room on LL with wet-bar and a 4th bedroom with en-suite bath. The 2nd floor with cathedral ceilings houses the primary suite with a 4-piece spa bathroom, walk-in closet and a terrace, along with 2 good-size bedrooms separated by a bathroom. This new detached family home on a corner lot is fenced-in and professionally landscaped with yard and bluestone patio. It is located a short walk to the Charles River, Kendall and Central square.