Difficult Development Areas

Difficult Development Areas This U.S. Department of Housing and Urban Development feature layer depicts Difficult Development Areas in the United States. Per HUD, “Difficult Development Areas (DDA) for the Low Income Housing Tax Credit program are designated by U.S. Department of Housing and Urban Development (HUD) and defined in statute as areas with high construction, land, and utility costs relative to its Area Median Gross Income (AMGI). DDAs in metropolitan areas are designated along Census ZIP Code Tabulation Area (ZCTA) boundaries. DDAs in non-metropolitan areas are designated along county boundaries. DDAs may not contain more than 20% of the aggregate population of metropolitan and non-metropolitan areas, which are designated separately." Baltimore/Columbia/Towson Small Area DDA Data currency: Current Federal Service (Difficult Development Areas 2025) Data modification: None For more information: Housing and Urban Development; Difficult Development Area Tables For feedback, please contact: [e-mail] Department of Housing and Urban Development Per HUD, “The Department of Housing and Urban Development administers programs that provide housing and community development assistance. The Department also works to ensure fair and equal housing opportunity for all.”