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Novogradac DDA and QCT Mapping Tool

About the Novogradac DDA and QCT Mapping Tool

Disclaimer: The data presented below are provided as a reference and the validity of the data cannot be guaranteed. Official determination of being located in a QCT or DDA should be based on HUD’s mapping tool.

This tool and the data in the searchable map below reflects boundaries and year-to-year changes in difficult development areas (DDAs) and qualified census tracts (QCTs) for 2022, as announced by the U.S. Department of Housing and Urban Development (HUD) in October 2021. Low-income housing tax credit (LIHTC) properties in DDAs and QCTs are qualified to increase their eligible basis by up to 30 percent for new construction and rehabilitation costs.


QCT and DDA Changes

  Lost QCT Designation   Lost DDA Designation
  Remained QCT   Remained DDA
  Gained QCT Designation   Gained DDA Designation
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