It often refers to a very large apartment building usually constructed during the late 19th to early 20th century era sited in cities or company towns .
In the United States the connotation sometimes implies a run - down or poorly cared - for building .
United States often refers to a very large apartment building usually constructed during the late 19th to early 20th century era sited in cities or company towns .
In the United States the connotation sometimes implies a run - down or poorly cared - for building .