Cities and, potentially, states are implementing policies that would ban single family zoning. Single family zoning, or exclusionary zoning, has long been used to exclude or segregate by race and income. To address segregation, housing affordability, and historical wrongs of zoning, many cities have implemented or are about to implement policy that would allow triplexes or four plexes as of right in any single family zoned lot. This would allow the construction of new small apartments or the conversion of current single family homes into small apartments. This creates lots of middle housing that would help meet the demand for housing, walkability, and transit.
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