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Building report

521 Park Avenue

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

Built
1912
Units
24
Owner of record
521 PARK AVE CONDO
Open HPD violations
0
HPD records on file
6

Violations at 521 Park Avenue

6 on record
2025-06-04Class ADismissed

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.

HPD · 1507 · Record 17951491
1995-07-03Class BClosed

§ 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES AIR CONDITIONER PROTRUDING BEYOND WINDOW SILL AT NORTH STACK 12 STY BALCONY.

HPD · 539 · Record 2708103
1995-07-03Class BClosed

§ 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES AIR CONDITIONER PROTRUDING BEYOND WINDOW SILL AT NORTH STACK 2 STY BALCONY.

HPD · 539 · Record 2708102
1995-07-03Class BClosed

§ 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE THE OBSTRUCTION IN FIREPROOF PASSAGEWAY CONSISTING OF DOORS & BRICK ETC AT NORTH.

HPD · 524 · Record 2708101
1995-07-03Class BClosed

§ 27-2005, 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS AT ROOF BULKHEAD STAIR.

HPD · 530 · Record 2708100
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Who owns 521 Park Avenue?

Owner of record: 521 PARK AVE CONDO. 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 Park Avenue

Recorded residential units: 24. Recorded year built: 1912. 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 Park Avenue

The full report includes the grade, all 6 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 6 HPD violations
  3. 03Housing court filings and outcomes
  4. 04Ownership history and LLC connections