Timeless Back Bay architecture, Charles River views, and the rare convenience of direct-access parking come together in this distinctive duplex home on the highly regarded Bay State Road. Set within a classic brownstone, the residence showcases the craftsmanship and character that define one of Boston's most iconic neighborhoods. The sun-filled main level is anchored by an elegant living and dining room, where oversized windows frame picturesque river views. Soaring 10-foot coffered ceilings, intricate crown moldings, raised-panel wainscoting, an original carved oak fireplace, built-in shelving, and rich hardwood floors create a warm and sophisticated setting for both everyday living and entertaining. The adjacent kitchen features Shaker-style cabinetry, stainless steel appliances, and its own river-facing window, while a conveniently placed powder room completes the main level. The private lower level features a spacious primary bedroom with bay windows and generous closet space. A second bedroom offers flexibility for guests, a home office, or additional living space. Direct access from this level to the building's parking area adds an exceptional level of convenience, a coveted amenity in the heart of Back Bay. Residents also enjoy a common rooftop deck with panoramic views, offering a spectacular vantage point over the surrounding cityscape. Ideally situated along the Charles River Esplanade and moments from Newbury Street, Copley Square, the Public Garden, renowned restaurants, shopping, and public transportation, this home presents a rare opportunity to enjoy the beauty and character of historic Back Bay with the ease of modern city living.