Sales have officially launched for the first new luxury condominium building on Madison Avenue in more than 20 years. The Benson1 located at 1045 Madison Avenue, sits between 791h and 80th Streets just one block east of Central Pork on the Upper East Side. The 19-story building will deliver an exclusive collection of just 15 half-floor, full-floor, and duplex homes ranging from three to seven bedrooms. Noteworthy residences include a crowning collection of three spectacular, penthouses, each with private terraces as well as a townhouse residence with private outdoor garden space. The sophisticated suite of amenities and services include a full-time doorman and concierge, a private cinema, a private spa with a steam room and sauna, a fitness center, a half-basketball court, a children’s playroom, a landscaped garden, and adjoining library, a pet spa, and a landscaped rooftop lounge dubbed ‘The Park Bar’ featuring lounge areas, a fire pit, and scenic Central Park views. The Benson has just launched sales beginning at a whopping $12.5 million,