Inside the Bonkers $19 Million Triplex Penthouse Atop NYC’s Historic Hampshire House

If the answer is somewhere around $19 million, the penthouse at 150 Central Park South is up for grabs. Perched atop the Hampshire House building on Billionaires’ Row, this 10,000-square-foot triplex is one of the most iconic residences in all of Manhattan —and construction has yet to begin.