Nestled among the classic brownstones of Back Bay, the Burrage Mansion’s striking white-stone, castle-like façade sets it apart along Commonwealth Avenue. 314 Commonwealth is one of Back Bay’s most iconic addresses—rich in history, defined by architectural significance and timeless appeal. An elevator opens directly into this expansive 2-bedroom, 2.5-bath Penthouse residence, offering 4,758 Sq. Ft. of living space. The 1st level is an open-concept layout connecting the living and dining areas, anchored by a sleek, minimalist kitchen featuring an oversized island. A sculptural floating staircase leads to the home’s crown jewel: an exceptionally private rooftop complete with a gas grill & hot tub. The primary suite and bath offers direct access to the roof deck, creating a true indoor-outdoor living experience. Additional features include private parking and storage within a heated garage. A rare offering for those seeking architectural distinction, scale, and quiet luxury.