601 W 172 St

Doors and windows class C · closed · HPD violation

Walls, floors and stairsApt 2C class B · closed · HPD violation

Walls, floors and stairsApt 3B class B · closed · HPD violation

Walls, floors and stairsApt 6E class B · closed · HPD violation

Show 15 more

Doors and windowsApt 6E class C · closed · HPD violation

Doors and windowsApt 6E class B · closed · HPD violation

Walls, floors and stairsApt 2C class A · closed · HPD violation

Walls, floors and stairsApt 2C class B · closed · HPD violation

Walls, floors and stairsApt 6F class B · closed · HPD violation

Walls, floors and stairsApt 6F class B · closed · HPD violation

2025 Aug

Construction class - 1 · DOB violation

2020 Jul

Hazardous Condition (Facade) DOB violation

2019 Nov

Facade Safety Program DOB violation

2019 Jul

2016 Dec

2016 Sep

2010 Aug

Scaffold permit

2009 Sep

Walls, floors and stairsApt 2B class C · never closed · HPD violation

1996 Jan

Facade rating

Safe (cycle 9, filed Oct 2020)

DOB NOW: Safety – Facades Compliance Filings, as of 2026-10-19 · See the facade filings at DOB →

What this counts

Most recent facade (FISP) filing in the latest 5-year cycle

Sidewalk shed and scaffoldingfoundNo active shed permit; permits since Mar 2019, last expired Jun 2021
Landmark statusno recordNot in a historic district on record

Heat and hot water

Issues on record · 22 complaints, 2024–2026 · 8 in the past year

What has happened here

Heat or hot waterApt 3D complaint

Heat or hot waterApt 3D complaint

Heat or hot waterApt 2C complaint

Heat or hot waterApt 3D complaint

Heat or hot waterApt 5F complaint

Show 24 more

Heat or hot waterApt D3 complaint

Heat or hot waterApt 2C class C · closed · HPD violation

Heat or hot water class C · closed · HPD violation

Heat or hot waterApt 2C complaint

Heat or hot waterApt 2A complaint

Heat or hot waterApt 5F complaint

2024 Dec

2024 Dec

2024 Nov

2024 Nov

2024 Nov

2024 Oct

2024 Feb

Heat or hot waterApt 3A complaint

Heat or hot waterApt 5F complaint

2013 Jul

Fuel burning permit

Heat source

Boiler burning No. 4 oil (Federal FST-90), registration expired since Mar 2023

Clean Air Tracking System (boiler registrations), as of 2026-10-20 · See this building's boiler registrations on NYC Open Data →

Boiler inspection filings

Latest accepted inspection Jun 2026, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-19 · See the boiler filings at DOB →

What this counts

Accepted annual boiler inspection filings, any date

Heat and hot water complaints

8 heat or hot water complaints

Housing Maintenance Code Complaints and Problems, as of 2026-10-20 · See the complaints at HPD Online →

What this counts

HPD complaints, heat season 2025–26 (Oct 1–May 31)

Boiler work permitsno recordNo boiler work permits on record

Water and pipes

Issues on record (2023) · 12 complaints, 2025–2026 · 5 in the past year

Water service lineWhole tax lot

Non-Lead (field inspection)

Lead Service Line Location Coordinates, as of 2026-01-30

Pests and cleanliness

Issues on record · 8 complaints, 2025–2026 · 2 in the past year

What has happened here

PestsApt 6F class C · HPD violation

PestsApt 6F class C · HPD violation

PestsApt 6F complaint

2026 Jun

MoldApt 2E complaint

PestsApt 6E class C · closed · HPD violation

PestsApt 6E class C · closed · HPD violation

Show 12 more

PestsApt 6F class C · closed · HPD violation

2025 Sep

Unsanitary conditionsApt 6F complaint

2025 Sep

Unsanitary conditionsApt 2B complaint

2025 Jun

Unsanitary conditions complaint

2025 May

Unsanitary conditionsApt 5C complaint

Mold, pestsApt 2A complaint

Unsanitary conditions complaint

MoldApt 6E complaint

2024 Jun

2024 Apr

PestsApt 2F complaint

Unsanitary conditions complaint

2023 Dec

PestsApt 4B class C · HPD violation

2023 Oct

Unsanitary conditionsApt 2E complaint

Fire and safety

Issues on record, most recently 2023

What has happened here

Fire safetyApt 6E class B · closed · HPD violation

2023 Oct

Lead-based paintApt 5F class C · HPD violation

2014 May

Fire protection permit

2005 Jun

Fire safetyApt 2B class C · never closed · HPD violation

Electrical

1 complaint, 2025

What has happened here

2025 Sep

ElectricalApt 6F complaint

Flooding

No issues on record

FEMA flood zone

Outside FEMA's 1% annual-chance flood zone: X

FEMA National Flood Hazard Layer, as of 2026-10-20

What this counts

Effective FIRM zones touching the building footprint

Stormwater flooding

Extreme storm, 2080 sea levels: Not in mapped flooding; Moderate storm, 2050 sea levels: Not in mapped flooding; Moderate storm, today's sea levels: Not in mapped flooding; Limited storm, today's sea levels: Not loaded (file format unreadable)

NYC Stormwater Flood Maps, as of 2024-07-03

What this counts

Mapped ponding touching the building footprint

BasementWhole tax lot

Below grade

PLUTO (tax lot data), as of 2026-08-24

Elevators

Issues on record, most recently 2024

What has happened here

2024 Oct

VT-CAT1-CO Elevators DOB violation

2024 Sep

VT-PER-CO Elevators DOB violation

Elevators

1 active elevator; latest periodic inspection May 2026

DOB NOW Elevator Safety Compliance, as of 2026-10-19 · See this building's elevators on NYC Open Data →

What this counts

Active elevator devices registered to this building ID

Rent and tenancy

On the state list

Rent stabilization

On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations)

Rent Stabilized Building Lists (2024 HCR registrations), as of 2025-11-30

What this counts

The list doesn't say which apartments are stabilized, and being listed isn't proof of current status. For a specific apartment, request its rent history from HCR

Energy

ENERGY STAR score 13 (2024 report)

Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25

What this counts

Letter grades are issued by the city under Local Law 33 and posted near the building entrance; Blueflo shows the reported score only

General condition and all records

HPD violations

5 open: 5 about building conditions — pests (3), lead-based paint (1), leaks (1); 4 immediately hazardous (class C). Also 2 older records from 1996–2005 never closed. 25 further violations from 2025–2026 were closed. 993 violations on record in all, 1993–2026 — the 209 most recent are listed here

Walls, floors and stairsApt 2E class B · closed

2026 Jun

LeaksApt 2E class B · closed

Doors and windows class C · closed

Other conditions class A · closed

LeaksApt 2C class B · closed

LeaksApt 2C class B · closed

Show 24 more

Walls, floors and stairsApt 2C class B · closed

LeaksApt 2C class B · closed

Other conditionsApt 2C class B · closed

Walls, floors and stairsApt 3B class B · closed

Walls, floors and stairsApt 6E class B · closed

Fire safetyApt 6E class B · closed

Doors and windowsApt 6E class C · closed

PestsApt 6E class C · closed

PestsApt 6E class C · closed

Doors and windowsApt 6E class B · closed

PlumbingApt 6E class B · closed

Heat or hot waterApt 2C class C · closed

Heat or hot water class C · closed

Walls, floors and stairsApt 2C class A · closed

Walls, floors and stairsApt 2C class B · closed

PestsApt 6F class C · closed

Smoke or CO detectorsApt 6F class B · closed

Walls, floors and stairsApt 6F class B · closed

Walls, floors and stairsApt 6F class B · closed

2023 Dec

PestsApt 4B class C

2023 Oct

Lead-based paintApt 5F class C

2023 Feb

LeaksApt 2C class B

2005 Jun

Fire safetyApt 2B class C · never closed

1996 Jan

Walls, floors and stairsApt 2B class C · never closed

Housing Maintenance Code Violations, as of 2026-10-19 · Read these violations in full at HPD Online →

What this counts

Open HPD violations inspected in the last 10 years; class C = immediately hazardous. Paperwork = failure to file, notify or certify

DOB violations

7 open: 4 about building conditions, 3 about filings or paperwork

2026 Sep

Construction class - 2

2026 Mar

Aeu-Haz Aeuhaz

2025 Aug

Construction class - 1

Hazardous Condition (Facade)

2019 Jul

Facade Safety Program

DOB Violations, as of 2026-10-19 · Read these violations in full at DOB →

What this counts

Open DOB, ECB and DOB NOW Safety violations, any date, one per violation. ECB class 1 = hazardous, class 2 = major

Resident complaints to the city

22 heat or hot water, 15 general repairs, 11 appliances, 8 paint or plaster, 8 plumbing, 6 floors or stairs, 6 leaks, 4 doors or windows, 4 unsanitary conditions, 3 mold, 2 pests, 1 electrical

2026 Sep

PlumbingApt 5C