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Building report

509 Hinsdale Street

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

Built
1930
Units
21
Owner of record
RIVERDALE AVENUE PROPERTIES LLC
Open HPD violations
436
HPD records on file
1582

Violations at 509 Hinsdale Street

1582 on record
2026-08-25Class COpen

§ 27-2005 ADM CODE PROPERLY SECURE THE LOOSE LIGHTING FIXTURE AT CEILING IN THE BATHROOM LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH

HPD · 509 · Record 19172441
2026-08-25Class COpen

§ 27-2037, 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES LIGHT SWITCH AND LIGHT FIXTURE IN THE BATHROOM LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH

HPD · 688 · Record 19172433
2026-08-25Class BOpen

§ 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH

HPD · 1503 · Record 19172431
2026-08-25Class BOpen

§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH

HPD · 702 · Record 19172430
2026-08-25Class COpen

§ 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 SELF CLOSING DOOR AT ENTRANCE IN THE ENTRANCE LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH

HPD · 530 · Record 19172429
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Who owns 509 Hinsdale Street?

Owner of record: RIVERDALE AVENUE PROPERTIES 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 Hinsdale Street

Recorded residential units: 21. Recorded year built: 1930. 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 Hinsdale Street

The full report includes the grade, all 1582 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 1582 HPD violations
  3. 03Housing court filings and outcomes
  4. 04Ownership history and LLC connections