2026-08-31Class AOpen
§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE ENTRANCE DOOR IN THE BATHROOM LOCATED AT APT 1F, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH
HPD · 501 · Record 19186783
Building report
520 East 21st Street
Public records for this building, including violations, complaints, housing court cases and ownership details.
- Built
- 1951
- Units
- 102
- Owner of record
- DITMAS FLATS LLC
- Open HPD violations
- 159
- HPD records on file
- 1027
Violations at 520 East 21st Street
1027 on record2026-08-31Class AOpen
§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE CERAMIC FLOOR TILES IN THE BATHROOM LOCATED AT APT 1F, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH
HPD · 501 · Record 19186782
2026-08-31Class BOpen
§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GFCI ELECTRICAL OUTLET AT NORTH WALL IN THE BATHROOM LOCATED AT APT 1F, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH
HPD · 501 · Record 19186778
2026-08-31Class AOpen
§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT SOUTH WALL IN THE KITCHEN LOCATED AT APT 1F, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH
HPD · 508 · Record 19186773
2026-08-31Class AOpen
§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 1st ROOM FROM EAST LOCATED AT APT 1F, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH
HPD · 508 · Record 19186769
Most serious open violation
2026-08-21Class COpen
HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT C, 1st STORY, 1st APARTMENT FROM NORTH AT EAST , SECTION ''NORTH''
HPD · 568 · Record 19154913
159 open · 1027 total on recordSee 158 more open violations
Who owns 520 East 21st Street?
Owner of record: DITMAS FLATS LLC. An owner name can come from an earlier filing. Compare the latest HPD registration with the recorded deed before relying on it.
Apartments at 520 East 21st Street
Recorded residential units: 102. Recorded year built: 1951. These building facts do not show current vacancies or when a particular apartment was renovated.
This tax lot appears in the RGB list based on 2024 building registrations, published as of November 2025. That is a building-level historical signal; it does not identify which apartments are stabilized today. Check the official rent-stabilized building lists.
Look up more about this building
See the full record for 520 East 21st Street
The full report includes the grade, all 1027 violations with dates and outcomes, housing court filings and ownership details.
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Included
- 01Overall grade and scores by category
- 02Details for all 1027 HPD violations
- 03Housing court filings and outcomes
- 04Ownership history and LLC connections