Know the building before you sign the lease.
A free grade for any New York City address, built only from the city's own records.
Add the apartment number to see that unit's record.
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City records through Oct 24, 2026, checked Oct 26. 264,631 buildings graded, from 11.3 million HPD violations, 3.2 million complaints to 311 and 116,000 evictions on file. Updated daily from NYC Open Data.
Most open violations per unit right now
NYC's worst buildings
Rental buildings with 6+ units, ranked by open HPD violations per 10 units. Co-ops, condos and public housing are left out. Only buildings with an HPD violation issued in the last 24 months or a 311 housing complaint in the last 12 are listed.
- 306 East 116th Street, East Harlem, Manhattan. Grade F. 915 open HPD violations per 10 units (732 open, 8 units). Owner: JUSTAL REALTY GROUP INC.
- 754 Miller Avenue, East New York, Brooklyn. Grade F. 788.3 open HPD violations per 10 units (473 open, 6 units). Owner: NEIGHBORHOOD RESTORE HDFC (City program owner (HDFC)).
- 1321 St Johns Place, Crown Heights, Brooklyn. Grade F. 723.3 open HPD violations per 10 units (434 open, 6 units). Owner: 1321 SAINT JOHNS PLACE LLC.
- 145 Rockaway Parkway, East Flatbush, Brooklyn. Grade F. 698.3 open HPD violations per 10 units (419 open, 6 units). Owner: NEIGHBORHOOD RESTORE HDFC (City program owner (HDFC)).
- 116-10 14th Road, College Point, Queens. Grade F. 676.7 open HPD violations per 10 units (406 open, 6 units).