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509 West 174th Street

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

Built
1910
Units
32
Owner of record
509 REALTY GROUP LLC
Open HPD violations
1
HPD records on file
231

Violations at 509 West 174th Street

231 on record
2026-09-05Class COpen

§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 5th ROOM FROM NORTH LOCATED AT APT 2C, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST

HPD · 508 · Record 19193213
2024-06-29Class 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 VESTIBULE DOOR AT PUBLIC HALL, 1st STORY

HPD · 530 · Record 17098664
2023-09-20Class BDismissed

§ 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES FLOWER POTS ON FIRE ESCAPE BALCONY ,BUILDING FRONT EAST STACK AT FIRE ESCAPE, 4th STORY

HPD · 539 · Record 16237849
2023-09-20Class BDismissed

§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK ON THE CEILING IN THE BATHROOM LOCATED AT APT 5D, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH

HPD · 583 · Record 16237848
2023-09-20Class BDismissed

§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE BATHROOM LOCATED AT APT 5D, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH

HPD · 508 · Record 16237847
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Who owns 509 West 174th Street?

Owner of record: 509 REALTY GROUP 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 509 West 174th Street

Recorded residential units: 32. Recorded year built: 1910. 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 509 West 174th Street

The full report includes the grade, all 231 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 231 HPD violations
  3. 03Housing court filings and outcomes
  4. 04Ownership history and LLC connections