HUD User API

Housing Data Explorer

Fair market rents, income limits, affordability strategy data, ZIP crosswalks, and vacancy signals — all from HUD's official data programs.

HUD Fair Market Rents (FMR)

HUD-established gross rent estimates for modest housing by bedroom count. Updated annually.

Select a state and fiscal year, then click Load.

Data sourced from HUD User (huduser.gov) via the HUD User API. Fair Market Rents and Income Limits are updated annually. CHAS data is derived from the American Community Survey (ACS). USPS crosswalk and vacancy data are updated quarterly.