 Precisely the same requirements that made Montclair exclusive at the turn of the century became a driving force behind the establishment of the district - the neighborhood includes grand old trees, large lots, and distinctive houses, including nineteenth-century Victorian architecture and Queen Anne style architecture in the United States as well as 'TB houses' designed specifically for tuberculosis sufferers.However, during the twentieth century these original homes were joined by bungalows, cottages, Tudor revival, and modern Ranch-style houses.As Denver architect and architectural critic Tom Morris puts it, "Montclair buildings are a catalog of architectural styles from 1885 to the present.