# 359 East 21 Street, Brooklyn, NY

Public-record building report from Know Your Building (https://knowyourbuilding.nyc/building/3051250082/359-east-21-street-brooklyn).
BBL 3051250082 · BIN 3117669 · Generated 2026-10-23

## Concern level: high

- 3 open class-C HPD violations (immediately hazardous) — about 1 per 3 apartments
- 1 of those issued in the last 3 years
- 1 open rent-impairing violation(s)
- 1 active DOB 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 8 stabilized units for 2023, of about 8 apartments.
Registered units by year: 2018: 8, 2019: 8, 2020: 8, 2021: 8, 2022: 8, 2023: 8.
Receives the J-51 tax benefit.
No public data says which specific apartment is stabilized; tenants can request their rent history from NYS Homes and Community Renewal.

## The building

built 1925, 4 floors, 8 residential units.

## HPD housing-maintenance violations

12 open (class C immediately hazardous: 3, class B hazardous: 9, class A non-hazardous: 0); 31 on record.
1 open class-C violations were issued in the last 3 years.
1 open violations are rent-impairing.

## DOB building violations

1 active (0 issued in the last 3 years); 2 on record.

## 311 housing complaints

0 in the last 12 months; 21 on record.
Most common: PLUMBING (7), DOOR/WINDOW (3), UNSANITARY CONDITION (3), APPLIANCE (2), WATER LEAK (2).

## Bedbugs

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

## Evictions

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

## Housing court (HPD litigation)

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

## Landlord

- CorporateOwner: 359 EAST 21ST ST CORP
- Agent: YUCO MANAGEMENT, INC.
- HeadOfficer: CATHERINE YU
- Officer: RAYMOND YU
- SiteManager: CATHERINE YU

The same owner is linked to 26 other buildings (CATHERINE YU at 200 PARK AVENUE).

## 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/3051250082/359-east-21-street-brooklyn