Barbara Corcoran has sold her upper east side penthouse and purchased a new one on fifth avenue for $16 million. The sale of her previous penthouse reportedly occurred in a single day, with some outlets suggesting it sold for $1.5 million over the asking price, although the exact sale price is unclear, with one report stating it was a $13.5 million penthouse. The details surrounding her decision to sell and buy a new penthouse are not entirely clear.