# 505 Elmwood Avenue, Brooklyn, NY

Public-record building report from Know Your Building (https://knowyourbuilding.nyc/building/3065030051/505-elmwood-avenue-brooklyn).
BBL 3065030051 · BIN 3170331 · Generated 2026-10-25

## Concern level: severe

- 33 open class-C HPD violations (immediately hazardous) across 65 apartments
- 8 of those issued in the last 3 years
- 25 open rent-impairing violation(s)
- 1 eviction 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 64 stabilized units for 2023, of about 65 apartments.
Registered units by year: 2018: 64, 2019: 64, 2020: 64, 2021: 64, 2023: 64.
No public data says which specific apartment is stabilized; tenants can request their rent history from NYS Homes and Community Renewal.

## The building

built 1938, 6 floors, 65 residential units.

## HPD housing-maintenance violations

151 open (class C immediately hazardous: 33, class B hazardous: 101, class A non-hazardous: 17); 391 on record.
8 open class-C violations were issued in the last 3 years.
25 open violations are rent-impairing.

## DOB building violations

0 active (0 issued in the last 3 years); 31 on record.

## OATH/ECB violations and fines

2 active of 24 on record; 0 decided by default; $0 balance due.

## 311 housing complaints

17 in the last 12 months; 91 on record.
Most common: HEAT/HOT WATER (56), UNSANITARY CONDITION (11), PAINT/PLASTER (8), PLUMBING (5), WATER LEAK (3).

## Bedbugs

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

## Evictions

1 executed in the last 3 years; 2 on record.

## Housing court (HPD litigation)

4 cases on record, 0 open, 4 tenant-initiated, 0 with a court finding of harassment.

## Landlord

- CorporateOwner: 505 AVENUE REALTY LLC
- Agent: 505 AVENUE REALTY LLC
- HeadOfficer: TOMAS ROSENTHAL
- Officer: DANIEL ROSENTHAL
- SiteManager: JOSE ABREU

The same owner is linked to 3 other buildings (TOMAS ROSENTHAL at 2329 NOSTRAND AVE).

## 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/3065030051/505-elmwood-avenue-brooklyn