A building that was built with three or more dwelling units.
An apartment building might be referred to as a low-rise or a high-rise depending on the number of floors.
The individual apartments in an apartment building might be rented, or might be owned via condominium ownership.
The nameapartment buildingonly applies to buildings which were originally built to contain multiple dwelling units. For example, a detached house that has been converted to a triplex is not considered an apartment building.