The median for properties that changed hands in the third quarter soared 40% from a year earlier.
Three posh assisted-living towers will offer seniors spa treatments, gourmet meals and chauffeured rides along with their daily care.
The apartment comes to market as luxury sales struggle amid the global pandemic and an outmigration of well-heeled New Yorkers.
Rental listings jumped to a record 15,025 at the end of August, more than double the inventory from a year earlier.
Contracts to buy Manhattan co-op apartments declined 26% in August from a year earlier.
New Yorkers are leaving for Florida permanently despite that state's problems with Covid-19.
The late sex offender's New York mansion is listed for $88 million.
As real estate values fall in cities, they are surging in posh suburbs and exurbs like the Hamptons.
With the pandemic keeping parents and kids at home, buyers are looking for more space and amenities.
The 16,300-square-foot spread has a tennis court, pool and apple tree-lined driveway.