The students, together with professors and alumns, have designed and built three 135-square-foot ‘SCADpads’ — fully equipped micro-dwellings that fit the size of a standard parking space. The pop-up parking garage village also contains communal open areas, such as a Groovebox community garden, a living room, and work spaces.
You can see more here. Micro-housing is a thing - you can read a load at this blog including:
Micro-housing is one of the fastest-growing housing trends in Seattle for its affordability and sustainable lifestyle. But the problems have to do with neighborhood fabric and taxes. Put up a micro-housing complex and people who have lived in the neighborhoods for years suddenly have 40-100 new strangers on the block, depending on how many units are in the building. Many find this threatening to the fabric of their communities.