# 506 West 171 Street, Manhattan, NY

Public-record building report from Know Your Building (https://knowyourbuilding.nyc/building/1021270041/506-west-171-street-manhattan).
BBL 1021270041 · BIN 1063051 · Generated 2026-10-23

## Concern level: severe

- 10 open class-C HPD violations (immediately hazardous) — about 1 per 2 apartments
- 5 of those issued in the last 3 years
- 2 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 18 stabilized units for 2023, of about 20 apartments.
Registered units by year: 2018: 18, 2019: 18, 2020: 18, 2021: 18, 2022: 18, 2023: 18.
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 1911, 5 floors, 20 residential units.

## HPD housing-maintenance violations

25 open (class C immediately hazardous: 10, class B hazardous: 13, class A non-hazardous: 2); 197 on record.
5 open class-C violations were issued in the last 3 years.
2 open violations are rent-impairing.

## DOB building violations

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

## 311 housing complaints

1 in the last 12 months; 31 on record.
Most common: UNSANITARY CONDITION (10), WATER LEAK (4), FLOORING/STAIRS (4), HEAT/HOT WATER (4), GENERAL (2).

## Bedbugs

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

## Evictions

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

## Housing court (HPD litigation)

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

## Landlord

- CorporateOwner: 171ST STREET PROPERTIES, LLC
- Agent: FRIEDMAN MANAGEMENT CORP.
- HeadOfficer: SAL RADONCIC
- Officer: SAL RADONCIC
- SiteManager: MANUEL GOMEZ

The same owner is linked to 33 other buildings (SAL RADONCIC at 14 PENN PLAZA).

## 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/1021270041/506-west-171-street-manhattan