538 51 Street is tracked in NYC Property Audit as BBL 3008000022, located in BK, built in 1905, 3 residential units, 7 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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Audit
538 51 STREET
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Annual property tax estimated at ~$11,901 (Tax Class 2)· NYC DOF
Last sold for $820,000 in August 2006· ACRIS
Most recent mortgage: $656,000 from MERS in 2006 (+4 more on Financials)· ACRIS
Building Details
✓ Verified · PLUTO
Building Area
2,892 sf
Zoning
R6B
Basement
Partial Basement
Land Use
Multi-Family Walk-Up Buildings
Registered Owner
Hildalgo Julio
Quick facts
How many units does this building have?
3 residential units.
How tall is this building?
3 stories, non-fireproof construction, built in 1905.
How big is the lot?
2,053 sq ft (20.5 ft × 100.17 ft).
What's the building class?
Class C0 — Walk-up apt.
How many buildings are on this lot?
1 building on the lot.
Overall Outlook
Long-term signal for residential or commercial viability
Stable — Review Maintenance
Maintenance Reliability
Multiple open violations — proceed with caution
75 / 100
Safety
Moderate activity — typical urban
72 / 100
Daily Life
Transit access via 53 St (R)
~4 min subway
Compliance · 10-year history
Violation timeline
DOB · HPD · OATH
201620182020202220242026
Active7Resolved with debt0Resolved38Hover any dot for detail
Violations & maintenance history
HPD · DOB · OATH — 7 open, 40 resolved
Open Issues — 7
Minor
Paint with light colored paint all peeling paint surfaces
§ 27-2013 ADM CODEApt 1 · 1st floor · 1st apartment from north at east
HPD · Filed Apr 2026 · Open ·
Minor
§ 27-2043.1 HMC install the missing or repair/replace the defective window guard(s) in accordance with the specifications of the new york city health code section 24 rcny chapter 12. Wg to install = 5; wg to replace = 0; wg to repair = 0;
Apt 1 · 1st floor · 1st apartment from north at east
HPD · Filed Mar 2026 · Open ·
Minor
§ 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 latch set at vestibule at public hall, 1st story
HPD · Filed Mar 2026 · Open
Minor
Post, in a form approved by the commissioner, and maintain a notice in a common area of the building regarding the procedures that should be followed when a gas leak is suspected
§ 27-2005 HMC
HPD · Filed Mar 2026 · Open ·
Minor
§27-2045(b)(5) HMC, § 12-01 rcny post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mailbox missing at public hall, 1st story
HPD · Filed Mar 2026 · Open
Resolved History — 40 (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 May 2026 · Closed
Closed
HMC ADM code: § 27-2017.4 abate the infestation consisting of mice
Apt 1 · 1st floor · 1st apartment from north at east
HPD · Filed Dec 2025 · Closed ·
Closed
Paint with light colored paint the baseboard at north wall
§ 27-2013 ADM CODEApt 1 · 1st floor · 1st room from north · 1st apartment from north at east
HPD · Filed Dec 2025 · Closed ·
Nearby buildings to audit
Other properties in the area with active violation history — useful comparables when evaluating risk.