# 640 West 139 Street, Manhattan, NY

Public-record building report from Know Your Building (https://knowyourbuilding.nyc/building/1020870050/640-west-139-street-manhattan).
BBL 1020870050 · BIN 1079500 · Generated 2026-10-24

## Concern level: severe

- On HPD's Alternative Enforcement Program — the city's most-distressed-buildings list
- 113 open class-C HPD violations (immediately hazardous) across 62 apartments
- 68 of those issued in the last 3 years
- 16 open rent-impairing violation(s)
- 25 active DOB violation(s)
- 1 OATH/ECB fine lost by default (unpaid)

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.

## HPD Alternative Enforcement Program

Currently on AEP, the city's most-distressed-buildings program, since 2023-01-31.

## Rent stabilization

Likely rent-stabilized. The owner registered 19 stabilized units for 2023, of about 62 apartments.
Registered units by year: 2018: 20, 2019: 19, 2020: 19, 2021: 19, 2022: 19, 2023: 19.
No public data says which specific apartment is stabilized; tenants can request their rent history from NYS Homes and Community Renewal.

## The building

built 1910, 6 floors, 62 residential units.

## HPD housing-maintenance violations

215 open (class C immediately hazardous: 113, class B hazardous: 82, class A non-hazardous: 14); 1,013 on record.
68 open class-C violations were issued in the last 3 years.
16 open violations are rent-impairing.

## DOB building violations

25 active (4 issued in the last 3 years); 44 on record.

## OATH/ECB violations and fines

20 active of 124 on record; 1 decided by default; $8,125 balance due.

## 311 housing complaints

184 in the last 12 months; 685 on record.
Most common: HEAT/HOT WATER (344), UNSANITARY CONDITION (80), PLUMBING (53), PAINT/PLASTER (51), DOOR/WINDOW (33).

## Bedbugs

2 annual bedbug filings by the owner; latest reports 1 infested unit.

## Evictions

0 executed in the last 3 years; 5 on record.

## Housing court (HPD litigation)

23 cases on record, 0 open, 13 tenant-initiated, 0 with a court finding of harassment.

## City debt and tax-lien sale

On a tax-lien sale list in 2025 (10-day notice).

## Landlord

- SiteManager: Mbarek Hassounya
- CorporateOwner: 618 RIVERSIDE DRIVE OWNERS INC
- HeadOfficer: SOCRATES MOUTSAKIS
- Agent: GUIDANCE MANAGEMENT CORP

## 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/1020870050/640-west-139-street-manhattan