506 West 171st Street

506 West 171st Street in Washington Heights, Manhattan, has 25 open HPD violations, 10 of them class C, and 18 of 20 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: D (54/100).

Multi-family walk-up · 20 units · Built 1911

StreetSpy grade: D (Poor, 54/100)

• 10 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 1 eviction carried out by marshals in the last 3 years.
• 18 of 20 units are rent-stabilized; 20 on the 2007 tax bill.

More open violations per unit than 7 in 10 Manhattan buildings this size.

• Repairs: High (25 open, 10 class C), records as of Oct 26, 2026
• Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
• Safety: Clear (No open DOB violations), records as of Oct 26, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

25 open violations: 10 class C (immediately hazardous), 13 class B, 2 class A. 2 issued in the last 12 months. 197 on record. Oldest open violation issued 1999-11-09. Newest violation issued 2026-07-17.

1 closed in the last 90 days. Median 374 days from issue to close for the 2 violations closed in the last 12 months.

2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.

• Class C: Rats, throughout the apartment, 5th floor. 567 (C) § 27-2017, 27-2017.1, 27-2017.4, 27-2017.5, 27-2017.8, 27-2019, 27-2021 HMC: ABATE THE NUISANCE CONSISTING OF EVIDENCE OF RATS AND ALL UNDERLYING CAUSES CREATING THE PEST INFESTATIONS, BY USING INTEGRATED PEST MANAGEMENT (IPM), ELIMINATE ALL BURROW ENTRY AND PASSAGEWAYS, PEST NESTS, HOLES, GAPS OR CRACKS IN WALLS, CEILINGS, FLOORS, FIXING LEAKS AND MANAGING GARBAGE IN PUBLIC AREAS. EVIDENCE FOUND AT EVIDENCE OF RAT DROPPINGS AND A LARGE OPENING AT THE TIME OF INSPECTION IN THE ENTIRE APARTMENT LOCATED AT APT 21, 5th STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 21), issued 2025-02-18. HPD violation 17700763
• Class C: Mice, throughout the apartment, 1st floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4, 1st STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 4), issued 2024-08-08. HPD violation 17170421
• Class C: Roaches, throughout the apartment, 1st floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4, 1st STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 4), issued 2024-08-08. HPD violation 17170420
• Class C: Lead paint hazard. : CORRECT FAILURE TO PROVIDE TO THE DEPARTMENT WITHIN 45 DAYS OF DEMAND ALL RECORDS REQUIRED TO BE MAINTAINED BY OWNER PURSUANT TO LOCAL LAW 1 OF 2004 RELATED TO LEAD-BASED PAINT NOTICES, INSPECTIONS AND REMEDIATION/ABATEMENT ACTIVITIES. (apt 4), issued 2023-11-24. HPD violation 16448664
• Class C: Lead paint hazard. - CORRECT FAILURE TO NOTIFY OCCUPANTS AND/OR TO INVESTIGATE LEAD-BASED PAINT HAZARDS. (apt 4), issued 2023-11-24. HPD violation 16448665
• Class C: Roaches, throughout the apartment, 5th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 21, 5th STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 21), issued 2021-12-13. HPD violation 14711020
• Class C: Lead paint hazard, west wall, 5th room from the north, 1st floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) BASEBOARD AT WEST WALL IN THE 5th ROOM FROM NORTH LOCATED AT APT 4, 1st STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 4), issued 2015-06-25. HPD violation 10760008
• Class C: Lead paint hazard, kitchen, 1st floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) NORTH WALL IN THE KITCHEN LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM NORTH AT EAST (apt 1), issued 2006-10-30. HPD violation 6437381

311 housing complaints

1 in the last 12 months, 19 in 5 years. Most common: Water Leak (1).

Bedbugs

The owner reported 0 infested units in the last 3 years of filings. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.

• 2026: No bedbug filing on record for this year
• 2025: Owner reported 0 infested units
• 2024: Owner reported 0 infested units
• 2023: Owner reported 0 infested units
• 2022: No bedbug filing on record for this year
• 2021: Owner reported 0 infested units

Buildings department (DOB)

No open DOB violations. 0 DOB violations on record. Check on DOB BIS.

Evictions and housing court

1 executed evictions in the last 3 years (3 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

18 of 20 units rent-stabilized as of 2024. Stabilized renewals: 0% for one year and 0% for two years under RGB Order #58 (Oct 1, 2026 to Sep 30, 2027).

Rent-stabilized units on city tax bills: 18 in 2024, 20 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: 171ST STREET PROPERTIES, LLC. Head officer: SAL RADONCIC. Managing agent: FRIEDMAN MANAGEMENT CORP.. This owner has 32 buildings on record, 16 graded D or F. See the full portfolio.

Last HPD registration Aug 24, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 1021270041, HPD building ID 43162. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 168 St (A, C), 4 min walk
• 168 St-Washington Hts (1), 4 min walk
• 175 St (A), 8 min walk

How the grade is calculated

Sources: NYC HPD Housing Maintenance Code Violations, NYC 311 Service Requests, NYC HPD Bedbug Reporting, NYC Marshal Evictions (DOI), NYC HPD Housing Litigations, NYC DOB Violations, NYC DOF tax bills (via JustFix Who Owns What portfolio API, v2), NYC HPD Property Registration. Methodology. Report generated 2026-10-28.