673 9 Ave

Heat or hot waterApt 2N complaint

2025 Oct

Heat or hot waterApt 2N complaint

Heat or hot waterApt 1A class C · closed · HPD violation

2024 Oct

Show 7 more

2024 Oct

Heat or hot waterApt 2C complaint

Heat or hot waterApt 1A complaint

2023 Dec

Plumbing, leaksApt 2C complaint

Heat source

Boiler burning natural gas (H.B. Smith 28A-S-7), registration expired since Jun 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 Dec 2025, 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

Heat and hot water complaints

4 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)

Boiler work permitsno recordNo boiler work permits on record

Water and pipes

Issues on record (2021) · 3 complaints, 2025

What has happened here

Leaks class A · HPD violation

Show 1 more

Leaks class A · HPD violation

Water service lineWhole tax lot

Lead (records)

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

Pests and cleanliness

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

What has happened here

MoldApt 1B complaint

Unsanitary conditions complaint

MoldApt 1A class B · closed · HPD violation

PestsApt 1A class C · closed · HPD violation

PestsApt 2A complaint

Electrical

Older records on file

What has happened here

Electrical class B · never closed · HPD violation

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

16 open: 16 about building conditions — walls, floors and stairs (5), smoke or CO detectors (4), doors and windows (3), leaks (2); 1 immediately hazardous (class C). Also 3 older records from 1992 never closed. 12 further violations from 2024–2025 were closed. 102 violations on record in all, 1992–2026 — the 31 most recent are listed here

Other conditions class A

Fire safetyApt 1B class C

Smoke or CO detectorsApt 1B class B

Smoke or CO detectorsApt 1B class B

Walls, floors and stairsApt 1B class B

2025 Oct

Walls, floors and stairsApt 1A class B · closed

MoldApt 1A class B · closed

PestsApt 1A class C · closed

Show 23 more

Smoke or CO detectorsApt 1A class B · closed

Smoke or CO detectorsApt 1A class B · closed

Doors and windowsApt 1A class A · closed

Walls, floors and stairsApt 1A class B · closed

Walls, floors and stairs class A · closed

Walls, floors and stairs class B · closed

Fire safety class B · closed

2024 Nov

Other conditions class I · paperwork · closed

2024 Oct

Heat or hot waterApt 1A class C · closed

2023 Mar

Walls, floors and stairsApt 1A class B

Leaks class A

Walls, floors and stairs class A

Smoke or CO detectors class A

Walls, floors and stairs class A

Leaks class A

Walls, floors and stairs class A

Smoke or CO detectors class A

Doors and windows class B

2021 Aug

Doors and windows class B

2021 Jun

Doors and windows class B

Fire safety class A · never closed

Electrical class B · never closed

Walls, floors and stairs class B · 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

11 open: 5 about building conditions, 6 older than 10 years

2026 May

2022 Jul

2022 Jul

2022 Jul

2018 Nov

Unknown class - 3 · never closed

2011 Apr

2003 Nov

2003 Nov

Show 3 more

1990 Dec

1990 Feb

1988 Nov

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

11 paint or plaster, 8 doors or windows, 6 heat or hot water, 3 plumbing, 1 mold, 1 pests, 1 unsanitary conditions

Paint or plasterApt 1B

Paint or plaster, moldApt 1B

2026 Mar

Doors or windows

Heat or hot water

Unsanitary conditions

Heat or hot waterApt 2N

2025 Oct

Heat or hot waterApt 2N

Show 21 more

PestsApt 2A

Doors or windowsApt 1A

Paint or plasterApt 1A

Heat or hot water, paint or plaster, plumbing, leaksApt 2C

Paint or plasterApt 1A

Heat or hot water

Heat or hot waterApt 1A

2023 Dec

General construction permit

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

52 permits since 1990

2026 Aug

Structural permit, General construction permit

2026 Feb

General construction permit

2026 Feb

Construction fence permit

2026 Feb

Plumbing permit

Show 1 more

2025 Jul

Supported scaffold permit

and 43 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 1B class B · HPD violation

Smoke or CO detectorsApt 1B class B · HPD violation

Paint or plasterApt 1B complaint

Paint or plasterApt 1B complaint

Show 21 more

Doors or windows complaint

Smoke or CO detectorsApt 1A class B · closed · HPD violation

Smoke or CO detectorsApt 1A class B · closed · HPD violation

2025 Jul

Supported scaffold permit

Doors or windowsApt 1A complaint

Paint or plasterApt 1A complaint

Paint or plasterApt 1A complaint

2024 Nov

Other conditions class I · paperwork · closed · HPD violation

Paint or plasterApt 2C complaint

Smoke or CO detectors class A · HPD violation