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Data Sources

All data comes from official NYC Open Data. Here are the specific datasets we use.

HPD Violations

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Housing code violations issued by the NYC Department of Housing Preservation and Development. Includes violation class (A, B, C), status, and description.

6M+ recordsUpdated Weekly

HPD Registrations

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Property registration records including building ownership information, rent stabilization status, and registration contacts.

250K+ recordsUpdated Monthly

311 Complaints

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Heating, hot water, mold, pest, and other housing complaints filed by residents. Includes complaint type and resolution status.

5M+ recordsUpdated Weekly

DOB Violations

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Building code violations from the Department of Buildings covering structural issues, illegal conversions, and construction violations.

500K+ recordsUpdated Weekly

Eviction Records

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Marshal eviction records showing legal evictions executed in NYC. Data is geocoded to building addresses.

100K+ recordsUpdated Monthly

Data Disclaimer

  • • Data is provided "as-is" from NYC Open Data and may contain errors.
  • • We are not affiliated with NYC government or any city agency.
  • • Historical records may be incomplete prior to 2010.
  • • Use this information for research, not legal decisions.