311 Tracker gives New Yorkers a free, easy way to look up any building's complaint history and open housing violations before renting, buying, or reporting an issue.
All data comes directly from NYC Open Data. We sync 311 service requests and HPD housing violation records daily.
We index 834,400+ buildings across all five boroughs, matched using the NYC Department of City Planning's PLUTO dataset.
Questions or issues? Email [email protected].