This grand single-family townhouse on the sunny side of Commonwealth Avenue offers ~11,300 square feet of elegant living space. Currently configured as a luxurious main residence with a separate staff or guest apartment, the home features 8 bedrooms, 8 full baths, and 2 half baths. Soaring ceilings, large windows, and restored original architectural details create a sense of timeless sophistication. Multiple private patios and decks provide ample outdoor space and skyline views, ideal for entertaining. Additional features include elevator access to all floors and a rare attached garage. Located on the “Gold Coast” between Berkeley and Clarendon Streets and just steps from the Public Garden, the Esplanade, and Boston’s premier shopping and dining, this property offers the perfect blend of classic Back Bay elegance and modern living. A rare opportunity for a discerning buyer to live in a true Boston gem.