This is an extraordinary and extremely rare opportunity on Beacon Hill overlooking Louisburg Square. Two condominium residences...No. 86 Mt. Vernon and 17/19 Willow Street are being sold together. The two adjoining properties are located on a coveted corner location across from the leafy private Louisburg Square. 86 Mt. Vernon is an exceptional circa 1875, 20' wide townhouse offering approximately 4500 square feet of gracious living on four floors with an expansive landscaped rooftop terrace and direct elevator access to all floors. No 86 Mt Vernon is comprised of 5 Bedrooms, 4 Ensuite Baths and 2 Half Baths, a Living Room, Family Room, 2 Kitchens, and more. 17/19 Willow Street is a bright and sunny duplex comprised of 2 Bedrooms, 2 Ensuite Baths, 1 Half Bath, Kitchen, Living Room/Dining Room, Breakfast nook, a paneled office/den, and patio. Two (2) garage parking spaces at the Brimmer Street Garage are available. See brochure narrative page.