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Building report

521 West 23rd Street

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

Built
1914
Units
7
Owner of record
UNAVAILABLE OWNER
Open HPD violations
32
HPD records on file
41

Violations at 521 West 23rd Street

41 on record
2026-06-20Class BOpen

§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THEN 10SQFEET AT CEILING IN THE 2nd ROOM FROM EAST LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 19020506 ISSUED 20-JUN-26 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE 27-2017.3a(3)(a) or (b).

HPD · 550 · Record 19316803
2026-06-20Class AOpen

§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE COUNTER BALANCE AT LOWER SASH AT EAST 5 WINDOW IN THE 1st ROOM FROM EAST LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH

HPD · 501 · Record 19033962
2026-06-20Class AOpen

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

HPD · 501 · Record 19020520
2026-06-20Class AOpen

§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC FLOOR TILES IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH

HPD · 502 · Record 19020519
2026-06-20Class AOpen

§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC WALL TILES IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH

HPD · 502 · Record 19020518

Who owns 521 West 23rd Street?

Owner of record: UNAVAILABLE OWNER. 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 23rd Street

Recorded residential units: 7. Recorded year built: 1914. These building facts do not show current vacancies or when a particular apartment was renovated.

Rent-stabilization status is not established by this record. A missing tax-lot match in the dated RGB list does not mean the building has no stabilized apartments. Check the official rent-stabilized building lists.

Look up more about this building

See the full record for 521 West 23rd Street

The full report includes the grade, all 41 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 41 HPD violations
  3. 03Housing court filings and outcomes
  4. 04Ownership history and LLC connections