|The number of "units" in a building. See building:flats instead|
|Used on these elements|
|Tools for this tag|
This tag describes the number of residential units (flats, apartments) in a building.
As of 2016, the vast majority (>99.8%) of uses of this tag came from the Los Angeles County, California, building import in which it was specifically defined as the number of living units. An apartment building with 5 apartments would have building:units=5.