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Property Audit ReportBBL 1013957502Generated Jun 10, 2026
Condo
521 Park Avenue
Overall
Caution — Review Before Signing
Caution — Review Before Signing
Open Violations
1
DOB + HPD
Unpaid Fines
$0
OATH / ECB
Flood Zone
X
FEMA designation
Audit Score
79/100
Composite index
Address-level public record preview
521 Park Avenue is tracked in NYC Property Audit as BBL 1013957502, located in MN, built in 1912, 24 residential units, 1 open DOB/HPD violation signals, FEMA flood zone X. The free preview keeps address-level facts crawl-visible while the full due-diligence report remains available in the audit.
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Key Findings
2 items
1 open violation on record· DOB · HPD
Annual property tax estimated at ~$1,437,779 (Tax Class 2) — assessed per building, not per unit· NYC DOF
Building Details
✓ Verified · PLUTO
Building Area
49,749 sf
Commercial Area
6,627 sf
Zoning
R10
Basement
Converted
Land Use
Mixed Residential & Commercial
Registered Owner
Rent Regulation
Yes · 1 regulated units(DHCR)
Quick facts
- How many units does this building have?
- 24 residential units and 5 commercial spaces.
- How tall is this building?
- 12 stories, built in 1912.
- How big is the lot?
- 6,025 sq ft (100.42 ft × 60 ft).
- What's the building class?
- Class RM — Condo.
- How many buildings are on this lot?
- 1 building on the lot.
Overall Outlook
Long-term signal for residential or commercial viability
Standard Urban
Maintenance Reliability
Minor open violations — review details
96 / 100
Safety
Moderate activity — typical urban
79 / 100
Daily Life
Transit access via 59 St (4 5 6)
~2 min subway
Compliance · 10-year history
Violation timeline
201620182020202220242026
Active1Resolved with debt0Resolved1Hover any dot for detail
Violations & maintenance history
HPD · DOB · OATH — 1 open, 6 resolved
Open Issues — 1
Minor
Failure to maintain exterior building facade and appurtenances. Note: observed at exposure#2(north)cracked stones at 10th floor in the n. W. Corner 2)exposure#3(east)cracked terra cotta at parapet in the s. E. Corn
OATH · Filed Jun 2022 · Open
Resolved History — 6 (showing 3)
Closed
(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 HPD s website, www. NYC. Gov\hpd, search bed bugs.
HPD · Filed Jun 2025 · Closed
Closed
§ 27-2005, 2007 ADM code arrange and make self-closing the doors at roof bulkhead stair.
HPD · Filed Jul 1995 · Closed
Closed
§ 27-2005, 2007 ADM code fire egress defective. Remove the obstruction in fireproof passageway consisting of doors & brick etc at north.
HPD · Filed Jul 1995 · Closed
Nearby buildings to audit
Other properties in the area with active violation history — useful comparables when evaluating risk.