406 West 51 Street is tracked in NYC Property Audit as BBL 1010600038, located in MN, built in 1940, 15 residential units, 5 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
406 WEST 51 STREET
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Annual property tax estimated at ~$109,575 (Tax Class 2)· NYC DOF
Last sold for $7,595,000 in December 2024· ACRIS
Most recent mortgage: $2,938,840 from ESQUIRE BANK, NATIONAL ASSOCIATION in 2026 (+3 more on Financials)· ACRIS
Building Details
✓ Verified · PLUTO
Building Area
8,605 sf
Zoning
R8
Basement
Partial Basement
Land Use
Multi-Family Elevator Buildings
Registered Owner
404-406 West 51ST St LLC
Quick facts
How many units does this building have?
15 residential units.
How tall is this building?
5 stories, non-fireproof construction, built in 1940.
How big is the lot?
2,510 sq ft (25 ft × 100.42 ft).
What's the building class?
Class D1 — Elevator 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
81 / 100
Safety
Moderate activity — typical urban
65 / 100
Daily Life
Transit access via 50 St (C E)
~4 min subway
Compliance · 10-year history
Violation timeline
DOB · HPD · OATH
201620182020202220242026
Active3Resolved with debt0Resolved2Hover any dot for detail
Violations & maintenance history
HPD · DOB · OATH — 5 open, 2 resolved
Open Issues — 5
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 hinges
Apt 4A · 4th floor · 1st apartment from north at east
HPD · Filed Dec 2024 · Open ·
Minor
Provide hot water at all hot water fixtures
§ 27-2031 ADM CODEApt 3A · 3rd floor · 1st apartment from north at east
HPD · Filed Sep 2023 · Open ·
Minor
Provide ready access to buildings heating system door locked at boiler room
§ 27-2033 ADM CODE
HPD · Filed Sep 2023 · Open ·
Minor
Section 300 M/D law file plans and application and legalize the following alteration or restore to the legal condition existing prior to the making of said alteration suspended ceiling installed at basement duplex 1 sty east APT 1A. , section '' ''
HPD · Filed Apr 1991 · Open
Minor
Section 300 M/D law file plans and application and legalize the following alteration or restore to the legal condition existing prior to the making of said alteration floors pieced 1 sty east APT 1A creating duplex 1 sty to cellar. , section '' ''
HPD · Filed Apr 1991 · Open
Resolved History — 2
Closed
Owner failed to file a valid registration statement with the department as required by ADM code §27-2097 and is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
§27-2107 ADM CODE
HPD · Filed Nov 2025 · Closed ·
Closed
§ 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 hinges
Apt 3A · 3rd floor · 1st apartment from north at east
HPD · Filed Sep 2023 · Closed ·
Nearby buildings to audit
Other properties in the area with active violation history — useful comparables when evaluating risk.