521 W 159 St

Heat or hot waterApt 42 class B · closed · HPD violation

Heat or hot waterApt 42 class C · closed · HPD violation

Heat or hot waterApt 42 complaint

Heat or hot waterApt 21 complaint

Heat or hot waterApt 3 complaint

Heat or hot waterApt 2 complaint

Show 13 more

Heat or hot waterApt 42 complaint

Heat or hot waterApt 21 complaint

2025 May

Heat or hot waterApt 42 complaint

Heat or hot waterApt 21 complaint

2023 Nov

Fuel burning permit, Boiler permit

2017 Dec

2017 Jul

Boilers class - 2 · DOB violation

2013 Jul

Fuel burning permit, Boiler permit

2007 Jan

Boilers hazardous · never closed · DOB violation

Heat source

Boiler burning natural gas (Weil Mclain 688), registration current since Oct 2024

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: yes

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 2017 (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

11 heat or hot water complaints

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 · 6 complaints, 2024–2025 · 2 in the past year

What has happened here

LeaksApt 54 class B · HPD violation

LeaksApt 21 class A · HPD violation

2026 Jul

LeaksApt 21 class B · HPD violation

LeaksApt 42 class B · closed · HPD violation

LeaksApt 42 class B · closed · HPD violation

Plumbing, leaksApt 21 complaint

Show 12 more

Plumbing, leaksApt 21 complaint

PlumbingApt 24 complaint

Leaks class B · closed · HPD violation

Leaks class B · closed · HPD violation

LeaksApt 1 class B · closed · HPD violation

2025 Apr

LeaksApt 21 complaint

Plumbing, leaksApt 21 complaint

LeaksApt 24 complaint

2024 Aug

LeaksApt 24 complaint

Water service line

Non-Lead (records)

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

Pests and cleanliness

Issues on record · 2 complaints, 2024–2025

What has happened here

Pests class C · HPD violation

PestsApt 21 class C · closed · HPD violation

Electrical

1 complaint, 2024

What has happened here

ElectricalApt 24 complaint

2024 Sep

ElectricalApt 24 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 2026-10-19

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 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

General condition and all records

HPD violations

89 open: 89 about building conditions — walls, floors and stairs (31), doors and windows (19), leaks (8), smoke or CO detectors (8); 8 immediately hazardous (class C). 25 further violations from 2025–2026 were closed. 311 violations on record in all, 1982–2026 — the 152 most recent are listed here

Doors and windows class B

Walls, floors and stairs class B

Doors and windows class B

Doors and windows class C

Other conditions class A

Pests class C

Show 42 more

Walls, floors and stairsApt 54 class A

LeaksApt 54 class B

Doors and windowsApt 21 class B

Doors and windowsApt 21 class C

Walls, floors and stairsApt 21 class A

LeaksApt 21 class A

Walls, floors and stairsApt 1 class A

2026 Jul

LeaksApt 21 class B

LeaksApt 42 class B · closed

LeaksApt 42 class B · closed

Heat or hot waterApt 42 class B · closed

Heat or hot waterApt 42 class C · closed

Smoke or CO detectorsApt 33 class B

Smoke or CO detectorsApt 23 class B

Other conditionsApt 33 class A

Walls, floors and stairsApt 33 class B

Walls, floors and stairsApt 23 class B

Walls, floors and stairsApt 23 class B

Doors and windowsApt 3 class B

Doors and windows class B · closed

Doors and windows class B · closed

PestsApt 21 class C · closed

Other conditionsApt 21 class C · closed

Other conditions class I

Other conditionsApt 1 class C

Doors and windows class C · closed

Walls, floors and stairs class A · closed

Fire safety class B · closed

Leaks class B · closed

Walls, floors and stairs class C · closed

Walls, floors and stairs class C · closed

Doors and windows class C · closed

Walls, floors and stairs class A · closed

Fire safety class B · closed

Leaks class B · closed

Doors and windows class B · closed

Walls, floors and stairsApt 1 class B · closed

LeaksApt 1 class B · closed

and 39 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

DOB violations

2 open: 1 about building conditions, 1 older than 10 years

2017 Jul

Boilers class - 2

2007 Jan

Boilers hazardous · never closed

DOB Violations, as of 2026-10-18 · 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

12 heat or hot water, 6 doors or windows, 5 leaks, 5 plumbing, 2 electrical, 2 general repairs, 2 mold, 2 safety, 1 appliances

Heat or hot waterApt 42

Heat or hot waterApt 21

Doors or windows, heat or hot waterApt 3

Appliances, doors or windows, heat or hot water, plumbing, leaksApt 21

Heat or hot waterApt 2

Heat or hot waterApt 42

Show 14 more

Doors or windows, plumbing, leaksApt 21

Doors or windows, general repairs, safety, mold, leaksApt 21

PlumbingApt 24

2025 May

Heat or hot waterApt 42

2025 Apr

Doors or windows, general repairs, heat or hot water, plumbing, safety, mold, leaksApt 21

Electrical, leaksApt 24

Floors or stairs, general repairs, paint or plasterApt 3

Doors or windows, paint or plaster, moldApt 3

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

What this counts

HPD complaints received in the last 2 years; the list below is every complaint on record for the last three years

Permit history

11 permits since 1990

2017 Dec

Plumbing permit, General construction permit, Fuel burning permit, Boiler permit

2016 Jul

General construction permit, Plumbing permit

2013 Jul

Plumbing permit, Fuel burning permit, Boiler permit

1997 Feb

General construction permit

and 7 more at the source

DOB NOW: Build – Approved Permits, as of 2026-10-17 · See every permit at DOB →

What this counts

DOB permits issued (DOB NOW and legacy BIS), one per job and work type; excludes sheds

Everything else on record

Other conditions class A · HPD violation

Smoke or CO detectorsApt 33 class B · HPD violation

Smoke or CO detectorsApt 23 class B · HPD violation

Other conditionsApt 33 class A · HPD violation

Doors or windowsApt 3 complaint

Other conditionsApt 21 class C · closed · HPD violation

Show 9 more

Appliances, doors or windowsApt 21 complaint

Doors or windowsApt 21 complaint

Other conditions class I · HPD violation

Other conditionsApt 1 class C · HPD violation

2025 Apr

Doors or windows, general repairs, safetyApt 21 complaint

Doors or windows, general repairs, safetyApt 21 complaint