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Building report

520 West 123rd Street

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

Built
1901
Units
10
Owner of record
123RD STREET INVESTOR, LLC
Open HPD violations
0
HPD records on file
66

Violations at 520 West 123rd Street

66 on record
2026-05-24Class CClosed

§ 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 2E, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST

HPD · 670 · Record 18951912
2026-05-24Class CClosed

§ 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT CELLAR AT BOILER ROOM

HPD · 672 · Record 18951911
2026-05-24Class CClosed

§ 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 2W, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST

HPD · 670 · Record 18951910
2026-05-17Class BClosed

§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF BICYCLES AT PUBLIC HALL, 1st STORY

HPD · 538 · Record 18935835
2026-05-17Class BClosed

§ 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 DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2W, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST

HPD · 1503 · Record 18935834
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Who owns 520 West 123rd Street?

Owner of record: 123RD STREET INVESTOR, 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 West 123rd Street

Recorded residential units: 10. Recorded year built: 1901. 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 West 123rd Street

The full report includes the grade, all 66 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 66 HPD violations
  3. 03Housing court filings and outcomes
  4. 04Ownership history and LLC connections