666 Willoughby Ave

Heat or hot waterApt 6F complaint

Heat or hot water complaint

2025 Dec

Heat or hot waterApt 5E complaint

2025 Dec

Heat or hot water complaint

Heat or hot waterApt 6C complaint

Heat or hot waterApt 1C complaint

Show 7 more

Heat or hot waterApt 4A complaint

Heat or hot waterApt 4B complaint

Heat or hot waterApt 4B complaint

Heat or hot waterApt 4A complaint

Heat or hot waterApt 2F complaint

Heat or hot water complaint

1993 Aug

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

Heat and hot water complaints

6 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)

Heat sourceno recordNo boiler registration or district steam on record
Boiler inspection filingsno recordNo boiler filings under this building's ID
Boiler work permitsno recordNo boiler work permits on record

Water and pipes

Issues on record · 14 complaints, 2025–2026 · 8 in the past year

What has happened here

PlumbingApt 2B complaint

LeaksApt 4D class B · HPD violation

2026 Jun

2026 Jun

Plumbing, leaksApt 4A complaint

Show 24 more

LeaksApt 4D class A · closed · HPD violation

LeaksApt 4D class B · closed · HPD violation

Leaks complaint

LeaksApt 1D class B · closed · HPD violation

LeaksApt 1D class B · closed · HPD violation

LeaksApt 1D complaint

LeaksApt 4A complaint

PlumbingApt 2D complaint

PlumbingApt 2D complaint

PlumbingApt 1C complaint

LeaksApt 4A class B · HPD violation

PlumbingApt 4A complaint

LeaksApt 4A complaint

2024 Sep

LeaksApt 4A complaint

2024 Aug

Plumbing complaint

2024 Aug

PlumbingApt 5B complaint

Plumbing, leaksApt 6C complaint

PlumbingApt 2F complaint

PlumbingApt 1C complaint

Plumbing, leaksApt 4A complaint

Water service line

Non-Lead (field inspection)

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

Pests and cleanliness

Issues on record · 5 complaints, 2025–2026 · 4 in the past year

What has happened here

MoldApt 2C class B · HPD violation

PestsApt 2F class C · HPD violation

Mold, pestsApt 4A complaint

PestsApt 2F class C · HPD violation

Mold complaint

Mold, pestsApt 2F complaint

Show 9 more

MoldApt 1D complaint

PestsApt 1C class C · HPD violation

PestsApt 4A class C · closed · HPD violation

PestsApt 4A class C · HPD violation

PestsApt 2F class C · HPD violation

PestsApt 4A complaint

PestsApt 2F complaint

PestsApt 2C complaint

PestsApt 2C complaint

Fire and safety

Issues on record, most recently 2025

What has happened here

Fire safety class C · closed · HPD violation

Fire safetyApt 1D class C · closed · HPD violation

Fire safetyApt 4A class B · HPD violation

Electrical

3 complaints, 2025–2026 · 2 in the past year

What has happened here

ElectricalApt 2B complaint

ElectricalApt 2B complaint

ElectricalApt 1C complaint

ElectricalApt 5B 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 2026-10-21

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

Elevators

Issues on record, most recently 2023

What has happened here

2023 Oct

VT-CAT1-CO Elevators DOB violation

2023 Oct

VT-PER-CO Elevators DOB violation

Elevators

1 active elevator; latest periodic inspection May 2026

DOB NOW Elevator Safety Compliance, as of 2026-10-20 · 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). Listed under the J-51 tax program, so stabilization can end when the exemption does

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 31 (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: 50 about building conditions — walls, floors and stairs (16), doors and windows (10), pests (9), smoke or CO detectors (6); 11 immediately hazardous (class C). 25 further violations from 2025–2026 were closed. 453 violations on record in all, 2004–2026 — the 171 most recent are listed here

Doors and windowsApt 2B class B

Doors and windowsApt 2B class B

Walls, floors and stairsApt 2B class B

Doors and windowsApt 2B class B

Walls, floors and stairsApt 2B class B

Smoke or CO detectorsApt 2B class B

Smoke or CO detectorsApt 2B class B

Show 42 more

Smoke or CO detectorsApt 2F class B

Smoke or CO detectorsApt 2F class B

Smoke or CO detectorsApt 4D class B

Smoke or CO detectorsApt 4D class B

Walls, floors and stairsApt 4D class B

LeaksApt 4D class B

Fire safety class C · closed

Walls, floors and stairsApt 4D class A

Walls, floors and stairsApt 4D class A

Walls, floors and stairsApt 4D class A · closed

Walls, floors and stairsApt 4D class A · closed

LeaksApt 4D class A · closed

Other conditionsApt 4D class B · closed

Walls, floors and stairsApt 4D class B · closed

LeaksApt 4D class B · closed

PestsApt 2F class C

Walls, floors and stairsApt 2F class B · closed

Walls, floors and stairsApt 2F class B · closed

Fire safetyApt 1D class C · closed

LeaksApt 1D class B · closed

LeaksApt 1D class B · closed

PestsApt 1C class C

PestsApt 4A class C · closed

Doors and windowsApt 4A class B · closed

Walls, floors and stairsApt 4A class B · closed

Fire safetyApt 4A class B

Walls, floors and stairsApt 2F class A

PestsApt 2F class C

Walls, floors and stairsApt 2F class B

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

3 open: 3 about filings or paperwork

Local Law 62/91 - Boilers never closed

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

13 doors or windows, 11 heat or hot water, 10 appliances, 10 leaks, 10 paint or plaster, 7 plumbing, 4 floors or stairs, 4 mold, 3 electrical, 3 pests, 1 general repairs

Doors or windows

Doors or windows, electrical, floors or stairs, plumbingApt 2B

Floors or stairsApt 2B

Doors or windowsApt 4A

Paint or plaster, plumbing, mold, pests, leaksApt 4A

Show 47 more

LeaksApt 4D

Paint or plaster, mold, leaks

Floors or stairs, general repairs, paint or plaster, mold, pestsApt 2F

LeaksApt 4D

Paint or plaster, mold, leaksApt 1D

Heat or hot waterApt 6F

Appliances, heat or hot water, paint or plasterApt 6C

Heat or hot water

2025 Dec

Heat or hot waterApt 5E

Appliances, doors or windows, electrical, floors or stairs, heat or hot water, plumbingApt 1C

Appliances, doors or windows, paint or plasterApt 4A

PlumbingApt 4A

Appliances, doors or windows, paint or plasterApt 4A

2025 May

AppliancesApt 4B

Paint or plaster, leaksApt 4A

AppliancesApt 4A

Doors or windows, paint or plasterApt 4A

2025 Feb

Appliances, doors or windows, paint or plasterApt 4A

Heat or hot waterApt 4A

Heat or hot waterApt 4B

Heat or hot waterApt 4B

Appliances, doors or windows, heat or hot water, pestsApt 4A

Doors or windowsApt 2F

Appliances, doors or windows, paint or plaster, leaksApt 4A

Heat or hot waterApt 2F

2024 Dec

AppliancesApt 2B

2024 Sep

Plumbing, leaksApt 6C

Floors or stairs, general repairs, paint or plaster, plumbing, pestsApt 2F

ElectricalApt 5B

Doors or windowsApt 4A

Doors or windows, floors or stairsApt 4A

PlumbingApt 1C

Paint or plaster, pestsApt 2C

Doors or windows, general repairs, paint or plaster, safetyApt 4D

General repairs, paint or plaster, leaksApt 4D

General repairsApt 5B

Heat or hot water

Paint or plaster, pestsApt 2C

AppliancesApt 4A

Paint or plasterApt 4A

Appliances, doors or windows, floors or stairs, plumbing, leaksApt 4A

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

4 permits since 1990

1999 Nov

Alteration permit, Plumbing permit

1992 Sep

Plumbing permit, General construction permit

and 2 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

Doors or windows complaint

Doors or windows, floors or stairsApt 2B complaint

Smoke or CO detectorsApt 2B class B · HPD violation

Smoke or CO detectorsApt 2B class B · HPD violation

Floors or stairsApt 2B complaint

Smoke or CO detectorsApt 2F class B · HPD violation

Show 33 more

Smoke or CO detectorsApt 2F class B · HPD violation

Smoke or CO detectorsApt 4D class B · HPD violation

Smoke or CO detectorsApt 4D class B · HPD violation

Doors or windowsApt 4A complaint

Paint or plasterApt 4A complaint

Other conditionsApt 4D class B · closed · HPD violation

Paint or plaster complaint

Floors or stairs, general repairs, paint or plasterApt 2F complaint

Paint or plasterApt 1D complaint

Appliances, paint or plasterApt 6C complaint

Appliances, doors or windows, floors or stairsApt 1C complaint

Appliances, doors or windows, paint or plasterApt 4A complaint

Appliances, doors or windows, paint or plasterApt 4A complaint

2025 May

AppliancesApt 4B complaint

Paint or plasterApt 4A complaint

AppliancesApt 4A complaint

Doors or windows, paint or plasterApt 4A complaint

2025 Feb

Appliances, doors or windows, paint or plasterApt 4A complaint

Appliances, doors or windowsApt 4A complaint

Doors or windowsApt 2F complaint

2024 Dec

AppliancesApt 2B complaint

2024 Sep

Appliances, doors or windows, paint or plasterApt 4A complaint

Floors or stairs, general repairs, paint or plasterApt 2F complaint

Doors or windowsApt 4A complaint

Doors or windows, floors or stairsApt 4A complaint

Paint or plasterApt 2C complaint

Doors or windows, general repairs, paint or plaster, safetyApt 4D complaint

General repairs, paint or plasterApt 4D complaint

General repairsApt 5B complaint

Paint or plasterApt 2C complaint

AppliancesApt 4A complaint

Paint or plasterApt 4A complaint