There's a big difference between what 'penthouse' used to mean and what it actually means now, according to a luxury real-estate broker and 'Million Dollar Listing' star

Featuring Steve Gold, Jessica Gomberg and Viktoria Wiberg's listing at 1 West 67th Street, Upper West Side, Steve Gold and Viktoria Wiberg's listing at 50 West 30th Street, NoMad and Steve Gold and Dana Power's listing at 234 East 23rd Street, Kips Bay: https://www.businessinsider.com/what-is-a-penthouse-definition-new-york-city-luxury-real-estate-2019-1