NYC Housing Tool — Free & Open Source

NYC Building Report

Look up housing maintenance violations for any NYC building — instantly. Powered by HPD open data, built for tenants, organizers, and advocates.

Try: 55 Water St, Manhattan · 2095 Grand Concourse, Bronx · 460 Kent Ave, Brooklyn

What this tool checks

Class C — Immediately hazardous violations Class B — Hazardous violations Class A — Non-hazardous violations Open vs. resolved status Building registration & owner info
Violation Classes
C
Immediately Hazardous
Lead paint, heat/hot water outages, pest infestations, broken locks. Must be corrected within 24 hours.
B
Hazardous
Mold, defective plumbing, broken windows, fire safety issues. Must be corrected within 30 days.
A
Non-Hazardous
Lower-priority maintenance issues. Must be corrected within 90 days.
If You Find Open Violations
  • 1Document conditions with photos and written records — date, time, and location.
  • 2Report new issues via 311 or HPD Online.
  • 3Get free legal advice from Legal Aid or Met Council on Housing.
  • 4Tenants have the right to a rent reduction if heat, hot water, or essential services are withheld.