This rare offering by a renowned architect is a stand-alone home, masterfully integrating outdoor and indoor space with 12 foot ceilings, an open floor plan, and wonderful light throughout. The private, fenced-in backyard features a patio, mature birch trees, and arborvitae. Upper-level balcony. The main level has a spacious living area with a 24 foot wall of glass overlooking the yard, bamboo floors, and an imported German kitchen with Miele appliances. Also on this level are a half-bath and access to the heated garage. The mezzanine level offers an expansive family room, and the third level has two bedrooms, each with an en suite bathroom. The primary bedroom has a fully equipped, walk-through California closet and four-piece bathroom. Upgrades include 2024 Mitsubishi heating/cooling, and built-in desk, bookcase and filing drawers. Close proximity to Harvard, art museums, Kendall and Porter Squares, and new Union Square T station. Garage plus outdoor parking.