NYC is pretty much the only exception to this in the US, which is why I couched my statements. Although, most of the time when someone says they are buying an

NYC is pretty much the only exception to this in the US, which is why I couched my statements. Although, most of the time when someone says they are buying an apartment in NYC, for newer developments, they're actually buying a condo, it's just a feature of regional language and the origin of the term "apartment". NYC is still heavily influenced in its regional language with the association to British English that affects the Mid-Atlantic.