Introducing this spectacular townhouse on coveted Riverside. This home sits on the sunny side of Beacon, offering sun-drenched rooms on every level. From the original flooring to the timeless antiques throughout, this luxurious residence has been meticulously maintained and thoughtfully restored to preserve the feeling of historic elegance. Grand and beautifully-detailed entertaining spaces w/ 12ft ceilings and ornate molding/decorative plaster work, make up the second & third levels. The second level offers a great room that adjoins a private outdoor space with panoramic views of the Charles River/Esplanade. The third level boasts a custom-built gourmet kitchen w/ handcrafted antique English Apothecary Cabinetry. An impressive primary suite takes up the fourth level, complete with en suite bathroom and dressing room. The entire home is accessible by elevator and features a 4-car garage, plus a deeded outdoor space. Additional studio apartment w/ private entrance ideal for guest suite.