# 361 West 51 Street, Manhattan, NY

Public-record building report from Know Your Building (https://knowyourbuilding.nyc/building/1010420006/361-west-51-street-manhattan).
BBL 1010420006 · BIN 1025196 · Generated 2026-10-23

## Concern level: high

- 2 open class-C HPD violations (immediately hazardous) — about 1 per 5 apartments
- 3 open rent-impairing violation(s)

Scale: low, moderate, high, severe. Set from open hazardous violations relative to building size, raised by distress signals (HPD's Alternative Enforcement Program, court harassment findings, evictions, unpaid OATH/ECB fines, open housing-court cases, a sold tax lien). It describes the public record, not any one apartment.

## Rent stabilization

Likely rent-stabilized. The owner registered 1 stabilized unit for 2023, of about 10 apartments.
Registered units by year: 2018: 1, 2019: 1, 2020: 1, 2022: 1, 2023: 1.
No public data says which specific apartment is stabilized; tenants can request their rent history from NYS Homes and Community Renewal.

## The building

built 1920, 5 floors, 10 residential units.

## HPD housing-maintenance violations

23 open (class C immediately hazardous: 2, class B hazardous: 20, class A non-hazardous: 1); 56 on record.
3 open violations are rent-impairing.

## DOB building violations

0 active (0 issued in the last 3 years); 6 on record.

## OATH/ECB violations and fines

0 active of 5 on record; 0 decided by default; $0 balance due.

## 311 housing complaints

2 in the last 12 months; 17 on record.
Most common: UNSANITARY CONDITION (6), ELECTRIC (4), PLUMBING (3), HEAT/HOT WATER (2), WATER LEAK (2).

## Bedbugs

10 annual bedbug filings by the owner; latest reports 0 infested units.

## Evictions

0 executed in the last 3 years; 1 on record.

## Housing court (HPD litigation)

2 cases on record, 0 open, 0 tenant-initiated, 0 with a court finding of harassment.

## Landlord

- CorporateOwner: 361-363 ASSOCIATES
- Agent: A.J. CLARKE RE CORP
- HeadOfficer: MAGDALENA KOSZ
- SiteManager: MIKE VARGAS
- Officer: KOSHA DIAZ

The same owner is linked to 140 other buildings (MAGDALENA KOSZ at 250 WEST 57TH STREET).

## Sources and limits

NYC Open Data (HPD, DOB, OATH/ECB, 311, DOF, PLUTO) and NYS DHCR building lists. This is a screening signal from public records, not legal advice; records lag and contain errors. Full interactive report with violation details and maps: https://knowyourbuilding.nyc/building/1010420006/361-west-51-street-manhattan