>owners renting out their condos doesn't turn it into an apartment building. Apartment and condominium are not mutually exclusive. Condominium only refers to t

>owners renting out their condos doesn't turn it into an apartment building. Apartment and condominium are not mutually exclusive. Condominium only refers to the way a building is owned, if most or all of the units in a condominium were rented out by their owners to 3rd parties you could reasonably call it a condominium apartment building.