Missing middle housing refers to a lack of medium-density housing in the North American context. The term describes an urban planning phenomenon in Canada, the United States, Australia and more recent
Missing Middle Housing Diagram by Dan Parolek of Opticos Design
A historic four-plex in Portland, Oregon
Police escorting a scab-driven streetcar during the San Francisco Streetcar Strike of 1907. A number of streetcar strikes broke out in the United States during the early 20th century.
Looking up 1st Ave in Seattle from Pioneer Square, 1900
Medium-density housing is a term used within urban planning and academic literature to refer to a category of residential development that falls between detached suburban housing and large multi-story
An example of historic row houses in Baltimore with Characteristics of Medium-Density Housing
An example of townhouses.
Levittown, PA is an example of an established post-war suburb with single-family zoning that was created due to urban sprawl (circa 1959).
Medium Density housing being developed in Victoria Australia.