4420 3 Ave

Heat or hot waterApt 2 complaint

Low Pressure Boiler DOB violation

Heat or hot waterApt 7 complaint

Heat or hot waterApt 7 complaint

Show 17 more

Heat or hot waterApt 5 complaint

2025 Feb

Heat or hot waterApt 7 complaint

Heat or hot waterApt 5 complaint

2024 Oct

BE-EXT-LP Boiler DOB violation

Heat or hot waterApt 5 class C · closed · HPD violation

Heat or hot waterApt 4 class C · closed · HPD violation

Heat or hot waterApt 4 complaint

Heat or hot waterApt 2 complaint

Heat or hot waterApt 5 complaint

2023 Jun

Low Pressure Boiler DOB violation

2019 Nov

Low Pressure Boiler DOB violation

2015 Nov

Heating/ventilation permit

2003 Jun

Fuel burning permit, Boiler permit

1995 Aug

Local Law 62/91 - Boilers never closed · DOB violation

Heat source

Boiler burning natural gas (Supreme D1-15-5), registration expired since Jan 2014

Clean Air Tracking System (boiler registrations), as of 2026-10-21 · See this building's boiler registrations on NYC Open Data →

Boiler inspection filings

Latest accepted inspection Oct 2023, defects reported: yes

DOB NOW: Safety Boiler, as of 2026-10-20 · See the boiler filings at DOB →

What this counts

Accepted annual boiler inspection filings, any date

Boiler work permits

Latest boiler work permit 2003

DOB Permit Issuance (BIS), as of 2026-10-20

What this counts

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

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)

Water and pipes

Issues on record · 11 complaints, 2025–2026 · 3 in the past year

What has happened here

LeaksApt 5 class C · HPD violation

Plumbing, leaksApt 5 complaint

LeaksApt 7 class C · HPD violation

LeaksApt 5 class C · closed · HPD violation

Show 11 more

Plumbing, leaksApt 5 complaint

2025 May

LeaksApt 5 complaint

2025 Apr

LeaksApt 5 class C · closed · HPD violation

PlumbingApt 5 class C · closed · HPD violation

2015 Nov

Plumbing permit

Water service line

Non-Lead (excavation)

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

Pests and cleanliness

Issues on record · 25 complaints, 2024–2026 · 6 in the past year

What has happened here

Pests class A · paperwork · HPD violation

Show 29 more

PestsApt 7 class C · HPD violation

Pests class C · HPD violation

PestsApt 5 complaint

Rubbish and cleanliness class B · HPD violation

Unsanitary conditionsApt 5 complaint

Fire safety class C · closed · HPD violation

Fire and safety

3 resolved since 2024

What has happened here

2024 Sep

Fire safety class C · closed · HPD violation

Fire safetyApt 5 class C · closed · HPD violation

2016 Apr

Fire protection permit

Electrical

Issues on record (2025) · 6 complaints, 2025

What has happened here

Electrical class B · HPD violation

Show 1 more

Flooding

No issues on record

FEMA flood zone

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

FEMA National Flood Hazard Layer, as of 2026-10-21

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

Gas

What has happened here

PL-PER Gas Piping - LL152 DOB violation

Gas piping

Open violation for not filing the periodic gas piping inspection (2025)

DOB Safety Violations, as of 2026-10-20

What this counts

Paperwork violation: the filing is missing, which is not a finding about the pipes

General condition and all records

HPD violations

156 open: 151 about building conditions — walls, floors and stairs (39), pests (32), doors and windows (20), smoke or CO detectors (14); 63 immediately hazardous (class C), 5 about paperwork or notices. Also 2 older records from 2012–2014 never closed. 25 further violations from 2023–2025 were closed. 566 violations on record in all, 2012–2026 — the 186 most recent are listed here

Doors and windows class C

Walls, floors and stairsApt 5 class C

Walls, floors and stairsApt 5 class C

Walls, floors and stairsApt 5 class B

Walls, floors and stairsApt 5 class B

Show 42 more

Pests class A · paperwork

Other conditions class I · paperwork · closed

PestsApt 7 class C

Walls, floors and stairsApt 7 class A

LeaksApt 7 class C

Walls, floors and stairsApt 7 class C

Pests class C

Walls, floors and stairsApt 5 class C

Rubbish and cleanliness class B

Electrical class B

Doors and windows class C

Walls, floors and stairsApt 5 class A

Doors and windowsApt 5 class B

PestsApt 5 class C

Doors and windowsApt 5 class B

Walls, floors and stairsApt 5 class B

Doors and windows class C · closed

Other conditions class C · closed

LeaksApt 5 class C · closed

Doors and windowsApt 5 class C · closed

Walls, floors and stairsApt 5 class C · closed

Other conditionsApt 5 class C · closed

2024 Nov

Other conditions class I · paperwork · closed

2024 Sep

Fire safety class C · closed

Walls, floors and stairsApt 5 class C · closed

LeaksApt 5 class C · closed

Fire safety class C · closed

PlumbingApt 5 class C · closed

Fire safetyApt 5 class C · closed

Heat or hot waterApt 5 class C · closed

Heat or hot waterApt 4 class C · closed

2023 Dec

Doors and windowsApt 5 class C · closed

2023 Dec

Other conditions class I · paperwork · closed

Other conditions class C · closed

Other conditions class C · closed

and 108 more at the source

Housing Maintenance Code Violations, as of 2026-10-20 · 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

13 open: 9 about building conditions, 4 about filings or paperwork

Low Pressure Boiler

PL-PER Gas Piping - LL152

2021 Jan

2020 Oct

2019 Nov

Low Pressure Boiler

Show 5 more

2019 Nov

2019 Oct

Fail To Certify Class 1

2019 Sep

Local Law 62/91 - Boilers never closed

2018 Sep

Construction class - 2

1995 Aug

DOB Violations, as of 2026-10-20 · 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

20 pests, 11 heat or hot water, 9 paint or plaster, 8 doors or windows, 7 plumbing, 6 electrical, 6 leaks, 5 general repairs, 5 unsanitary conditions, 2 floors or stairs

Floors or stairs, paint or plaster, plumbing, pests, leaksApt 5

Pests

Paint or plaster, pests, leaksApt 5

Heat or hot waterApt 2

Show 40 more

Heat or hot water

Heat or hot waterApt 7

Heat or hot waterApt 7

Heat or hot waterApt 5

Unsanitary conditionsApt 5

Doors or windows, electrical, floors or stairs, general repairs, paint or plaster, plumbing, pestsApt 5

ElectricalApt 5

Paint or plasterApt 5

Doors or windowsApt 5

Doors or windows, electrical, general repairs, paint or plaster, pests, leaksApt 5

Doors or windows, electrical, general repairs, paint or plaster, plumbing, pests, leaksApt 5

Doors or windows, electrical, paint or plaster, plumbing, pestsApt 5

Doors or windows, electrical, paint or plaster, plumbing, pestsApt 5

2025 May

LeaksApt 5

2025 Apr

Doors or windows, general repairs, paint or plaster, plumbingApt 5

Heat or hot waterApt 7

PestsApt 5

Heat or hot water

Heat or hot waterApt 5

Heat or hot waterApt 4

Heat or hot waterApt 2

General construction permit

Heat or hot waterApt 5

Housing Maintenance Code Complaints and Problems, as of 2026-10-20 · 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

7 permits since 1990

2019 Dec

2016 Apr

Fire protection permit

2015 Nov

Plumbing permit, Heating/ventilation permit, General construction permit

2003 Jun

Fuel burning permit, Boiler permit

and 3 more at the source

DOB NOW: Build – Approved Permits, as of 2026-10-20 · 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

Floors or stairs, paint or plasterApt 5 complaint

Paint or plasterApt 5 complaint

Other conditions class I · paperwork · closed · HPD violation

Doors or windows, floors or stairs, general repairs, paint or plasterApt 5 complaint

Paint or plasterApt 5 complaint

General repairsApt 5 complaint

Show 13 more

Doors or windowsApt 5 complaint

Doors or windows, general repairs, paint or plasterApt 5 complaint

Other conditions class C · closed · HPD violation

Doors or windows, general repairs, paint or plasterApt 5 complaint

Other conditionsApt 5 class C · closed · HPD violation

Doors or windows, paint or plasterApt 5 complaint

Doors or windows, paint or plasterApt 5 complaint

2025 Apr

Doors or windows, general repairs, paint or plasterApt 5 complaint

2024 Nov

Other conditions class I · paperwork · closed · HPD violation

Other conditions class I · paperwork · closed · HPD violation

Other conditions class C · closed · HPD violation