What you can build
Native HUD designations with effective-year selection; not a project tax-credit determination. Use this dataset as a sourced input to an application, analytical model or retrieval tool. Retain its native dimensions when joining it with your own records.
Query HUD Difficult Development Areas
This candidate is awaiting validation and publication; it is not available for data retrieval. Replace the environment variable with your server-side API credential. Review endpoint parameters and response schemas before changing selectors.
This candidate dataset is not published. Data retrieval examples will be verified after acceptance and publication.
Coverage and interpretation
Coverage is limited to published source geographies and releases. Missing, suppressed and unavailable observations must not be treated as zero.
The active release shown here is a catalog snapshot. Check the live catalog and response provenance for current readiness. The underlying public source and Geoamcan access terms are separate; consult the source’s licensing and attribution requirements.
Source and methodology
Source: HUD. Geoamcan is an independent API provider, with no agency affiliation or endorsement. Read our data methodology for source handling, geographic joins and update practices.
Related data
Put this data to work.
Tell us about your application, coverage needs and expected API usage.
Get API access ↗Read integration guides