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Inclusionary Zoning and Affordable Housing

Inclusionary Zoning (IZ) is a land use technique for developing diverse mixed-income communities by requiring each new residential development make a percentage of the new units affordable to targeted incomes. It often lets developers build more units through a “density bonus” along with other incentives to help the program operate better.

IZ in the District began with a set of public hearing held by the Zoning Commission starting in 2005. The Zoning Commission divided the hearing process into three parts covering 1) the design of program, 2) where it would apply in the District, and 3) how IZ requirements would interact with existing zoning overlays. The zoning regulations resulting from that public hearing process can be found on the Office of Zoning’s website. At roughly the same time, the Council of the District of Columbia passed both the Comprehensive Plan for the National Capital and the Inclusionary Zoning Act of 2006, which give policy guidance and empowers the Mayor to administer the program.

The Office of Planning in its role of providing reports and recommendations to the Zoning Commission (ZC) is the primary agency responsible for the review, research and resulting design of the program. 

OP works closely with our sister agencies Department of Housing and Community Development (DHCD) and the Zoning Administrator within the Department of Consumer and Regulatory Affairs (DCRA) who are charged with Implementation and administration of the program.

For more information on the District’s Inclusionary Zoning Affordable Housing Program visit DHCD’s website.

For Zoning and Project Approval of a Residential Development with IZ requirements contact:
Matt LeGrant, Zoning Administrator
DC Department of Consumer and Regulatory Affairs
Phone: (202) 442-4576
Zoning Administrator’s Website

For Potential Tenants, Owners and Ongoing IZ Unit Management Contact:
Marshall Cusaac, Housing Regulations Specialist
DC Department of Housing and Community Development
Phone: (202) 442-4327

View more information at the Affordable Housing Locator.