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Building report

521 West 175th Street

Public records for this building, including violations, complaints, housing court cases and ownership details.

Built
1907
Units
21
Owner of record
NZ 175 W. 521, LLC
Open HPD violations
28
HPD records on file
93

Violations at 521 West 175th Street

93 on record
2026-05-23Class CDismissed

§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT DOOR LEADING TO WEST YARD AT PUBLIC HALL, 1st STORY

HPD · 530 · Record 18960673
2026-05-08Class CClosed

§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT 42, 4th STORY, 1st APARTMENT FROM NORTH AT EAST

HPD · 530 · Record 18923920
2026-05-01Class BDismissed

§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR EAST AND WEST WALL IN THE PRIVATE HALLWAY LOCATED AT APT 3, 1st STORY, 2nd APARTMENT FROM NORTH AT EAST

HPD · 508 · Record 18863779
2026-05-01Class BDismissed

§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE COUNTER BALANCE AT WINDOW LOWER SASH AT EAST WALL IN THE 2nd ROOM FROM NORTH LOCATED AT APT 3, 1st STORY, 2nd APARTMENT FROM NORTH AT EAST

HPD · 501 · Record 18863778
2026-05-01Class BDismissed

§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING AND ALL WALLS IN THE 2nd ROOM FROM NORTH LOCATED AT APT 3, 1st STORY, 2nd APARTMENT FROM NORTH AT EAST

HPD · 508 · Record 18863777

Who owns 521 West 175th Street?

Owner of record: NZ 175 W. 521, 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 521 West 175th Street

Recorded residential units: 21. Recorded year built: 1907. 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 521 West 175th Street

The full report includes the grade, all 93 violations with dates and outcomes, housing court filings and ownership details.

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Included
  1. 01Overall grade and scores by category
  2. 02Details for all 93 HPD violations
  3. 03Housing court filings and outcomes
  4. 04Ownership history and LLC connections