609 W 173 St

Lead-based paintApt 3A class C · HPD violation

Fire safetyApt 5A class B · HPD violation

Lead-based paintApt 4A class B · paperwork · HPD violation

Lead-based paintApt 3G class B · paperwork · HPD violation

Lead-based paintApt 3E class B · paperwork · HPD violation

Lead-based paintApt 3F class B · paperwork · closed · HPD violation

Show 3 more

Lead-based paint class C · paperwork · HPD violation

Lead-based paint class C · paperwork · HPD violation

Fire safety class C · closed · HPD violation

Structure and facade

Issues on record

What has happened here

Walls, floors and stairsApt 3A class A · HPD violation

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

Doors and windowsApt 3A class A · HPD violation

Walls, floors and stairsApt 3A class A · HPD violation

Walls, floors and stairsApt 3A class A · HPD violation

Walls, floors and stairsApt 3A class A · HPD violation

Show 11 more

Walls, floors and stairsApt 5A class A · HPD violation

Walls, floors and stairsApt 5A class B · HPD violation

Walls, floors and stairsApt 3A class A · HPD violation

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

Walls, floors and stairsApt 3A class A · HPD violation

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

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

Doors and windows class B · closed · HPD violation

Doors and windows class C · closed · HPD violation

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

Doors and windowsApt 3A class A · closed · HPD violation

Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
Sidewalk shed and scaffoldingno recordNo sidewalk shed permits on record
Landmark statusno recordNot in a historic district on record

Heat and hot water

5 complaints, 2024–2025 · 1 in the past year

What has happened here

2025 Dec

Heat or hot waterApt 3A complaint

Heat or hot water class C · closed · HPD violation

Heat or hot waterApt 3A class C · closed · HPD violation

Show 4 more

2024 Dec

Fuel burning permit, Boiler permit

2013 Sep

Fuel burning permit

2006 Nov

1994 Jun

Fuel storage permit, Fuel burning permit, Boiler permit

Heat source

Boiler burning natural gas (Federal FST-50), registration current since Jul 2025

Clean Air Tracking System (boiler registrations), as of 2026-10-19 · See this building's boiler registrations on NYC Open Data →

Boiler inspection filings

Latest accepted inspection Mar 2026, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-17 · See the boiler filings at DOB →

What this counts

Accepted annual boiler inspection filings, any date

Boiler work permits

Latest boiler work permit 2006 (2 on record)

DOB Permit Issuance (BIS), as of 2026-10-19

What this counts

DOB boiler permits (BIS and DOB NOW); a permit dates work, not the boiler's age

Heat and hot water complaints

1 heat or hot water complaint

Housing Maintenance Code Complaints and Problems, as of 2026-10-19 · See the complaints at HPD Online →

What this counts

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

Water and pipes

Issues on record · 11 complaints, 2025–2026 · 5 in the past year

What has happened here

LeaksApt 5A class A · HPD violation

Plumbing, leaksApt 5A complaint

Plumbing, leaksApt 5A complaint

PlumbingApt 5A complaint

2026 Apr

2026 Jan

Show 12 more

2025 Sep

LeaksApt 3A class C · closed · HPD violation

PlumbingApt 5A complaint

Plumbing, leaksApt 26 complaint

2025 Jun

Plumbing, leaksApt 3A complaint

2023 Nov

LeaksApt 3A complaint

Water service line

Non-Lead (records)

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

Pests and cleanliness

Issues on record · 9 complaints, 2025–2026 · 4 in the past year

What has happened here

MoldApt 3A class A · HPD violation

MoldApt 3A class B · HPD violation

PestsApt 3A complaint

Show 19 more

Mold, pestsApt 3A complaint

MoldApt 5A complaint

MoldApt 3A class B · HPD violation

MoldApt 3A class A · closed · HPD violation

MoldApt 3A complaint

PestsApt 3A complaint

MoldApt 3A complaint

MoldApt 3A class C · closed · HPD violation

PestsApt 3A class C · closed · HPD violation

PestsApt 3A class C · closed · HPD violation

MoldApt 3A class B · closed · HPD violation

MoldApt 3A class C · closed · HPD violation

MoldApt 3A class B · closed · HPD violation

Mold, pestsApt 3A complaint

MoldApt 3A class A · closed · HPD violation

MoldApt 3A complaint

MoldApt 3A class A · closed · HPD violation

2024 Jan

MoldApt 5B complaint

Mold, pestsApt 3A complaint

Electrical

Issues on record · 4 complaints, 2025–2026 · 3 in the past year

What has happened here

ElectricalApt 5A class A · HPD violation

2026 Apr

Flooding

No issues on record

FEMA flood zone

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

FEMA National Flood Hazard Layer, as of 2026-10-19

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

Rent and tenancy

On the state list

Rent stabilizationWhole tax lot

On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations); listed for this tax lot (1 addresses), not under this building's address

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 97 (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

50 open: 45 about building conditions — walls, floors and stairs (20), mold (5), lead-based paint (4), pests (3); 7 immediately hazardous (class C), 5 about paperwork or notices. Also 1 older record from 1990 never closed. 18 further violations from 2023–2026 were closed. 170 violations on record in all, 1990–2026 — the 69 most recent are listed here

Lead-based paintApt 3A class C

Doors and windowsApt 3A class A

MoldApt 3A class A

Show 35 more

MoldApt 3A class B

Walls, floors and stairsApt 5A class A

Fire safetyApt 5A class B

Walls, floors and stairsApt 5A class B

LeaksApt 5A class A

ElectricalApt 5A class A

Lead-based paintApt 4A class B · paperwork

Lead-based paintApt 3G class B · paperwork

Lead-based paintApt 3E class B · paperwork

Lead-based paintApt 3F class B · paperwork · closed

Lead-based paint class C · paperwork

Lead-based paint class C · paperwork

LeaksApt 3A class C · closed

MoldApt 3A class B

MoldApt 3A class A · closed

Heat or hot water class C · closed

Heat or hot waterApt 3A class C · closed

Fire safety class C · closed

MoldApt 3A class C · closed

PestsApt 3A class C · closed

PestsApt 3A class C · closed

MoldApt 3A class B · closed

MoldApt 3A class C · closed

MoldApt 3A class B · closed

Doors and windows class B · closed

Doors and windows class C · closed

MoldApt 3A class A · closed

Walls, floors and stairsApt 3A class A · closed

MoldApt 3A class A · closed

Doors and windowsApt 3A class A · closed

and 8 more at the source

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

Resident complaints to the city

16 plumbing, 15 paint or plaster, 11 doors or windows, 7 floors or stairs, 7 mold, 5 general repairs, 5 heat or hot water, 4 electrical, 3 appliances, 3 leaks, 3 pests, 1 safety

Doors or windows, floors or stairs, paint or plaster, moldApt 3A

Appliances, electrical, paint or plaster, plumbing, safety, leaksApt 5A

Doors or windows, electrical, paint or plaster, plumbing, moldApt 5A

2026 Apr

Doors or windows, electrical, paint or plaster, plumbing, leaksApt 5A