Offering an impressive 1,060 sq ft across two levels, this expansive front-facing one-bedroom parlor/street-level duplex is ideally situated on picturesque Marlborough Street. The parlor level showcases a generous living room with soaring ceilings, oversized windows, hardwood floors, custom built-ins, and a beautiful fireplace. Just off the living room, the kitchen features stainless-steel appliances, granite countertops, and ample cabinetry, while a convenient half bath completes this level. A wide, full-size staircase leads to the level below, offering a spacious front-facing bedroom with full-size windows overlooking the landscaped garden, a second fireplace, hardwood floors, and generous closet space. A full bathroom with granite finishes, an additional oversized hallway closet, and a dedicated laundry closet with in-unit washer and dryer round out the lower level. Complete with central A/C and set within a meticulously maintained elevator building, this exceptional residence combines impressive space and classic Back Bay character in one of the neighborhood's most desirable locations.