# 351 East 21 Street, Brooklyn, NY

Public-record building report from Know Your Building (https://knowyourbuilding.nyc/building/3051250084/351-east-21-street-brooklyn).
BBL 3051250084 · BIN 3117670 · Generated 2026-10-24

## Concern level: severe

- 17 open class-C HPD violations (immediately hazardous) — about 1 per 2 apartments
- 7 of those issued in the last 3 years
- 3 open rent-impairing violation(s)
- 1 active DOB violation(s)
- 4 evictions executed in the last 3 years

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 38 stabilized units for 2021, of about 38 apartments.
Registered units by year: 2018: 38, 2019: 38, 2020: 38, 2021: 38.
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, 38 residential units.

## HPD housing-maintenance violations

74 open (class C immediately hazardous: 17, class B hazardous: 44, class A non-hazardous: 13); 351 on record.
7 open class-C violations were issued in the last 3 years.
3 open violations are rent-impairing.

## DOB building violations

1 active (0 issued in the last 3 years); 18 on record.

## OATH/ECB violations and fines

0 active of 2 on record; 0 decided by default; $0 balance due.

## 311 housing complaints

15 in the last 12 months; 112 on record.
Most common: UNSANITARY CONDITION (24), ELECTRIC (19), HEAT/HOT WATER (15), WATER LEAK (14), PLUMBING (14).

## Bedbugs

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

## Evictions

4 executed in the last 3 years; 6 on record.

## Housing court (HPD litigation)

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

## Landlord

- CorporateOwner: 351 PROPERITES LLC
- Agent: 351 PROPERITES LLC
- HeadOfficer: Richard Brown
- Officer: RICHARD BROWN
- SiteManager: Richard Brown

The same owner is linked to 4 other buildings (Richard Brown at 1547 PRESIDENT ST).

## 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/3051250084/351-east-21-street-brooklyn