Exclusionary Zoning Affects Affordable Housing
Key Concepts
Single Family Zoning
Outright prevents the creation of affordable housing
Saves 50% of DC’s land for the wealthiest 1% by banning higher density construction
Historical Designation
Increases the cost of affordable housing construction, reducing its supply
Allows NIMBYs to reduce the number of units to “preserve the neighborhood”
Map of Exclusionary Zones of DC
Single family zoning and Historical Designation effectively excludes affordable development
by making them more expensive or preventing them outright