89 Thayer St

Heat or hot waterApt 5D complaint

Show 25 more

Heat or hot waterApt 1C complaint

Heat or hot water class C · closed · HPD violation

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

Heat or hot water complaint

Heat or hot waterApt 1C complaint

Heat or hot waterApt 2C complaint

Heat or hot waterApt 4C complaint

Heat or hot waterApt 1K complaint

Heat or hot waterApt 5C complaint

Heat or hot waterApt 3H complaint

Heat or hot water complaint

Heat or hot water complaint

Heat or hot waterApt 2G complaint

2023 Nov

BE-EXT-LP Boiler DOB violation

2023 Nov

Heat source

Boiler burning natural gas (Rockmills MP-125), registration current since Jun 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 Jan 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

Heat and hot water complaints

23 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

17 complaints, 2025–2026 · 6 in the past year

Pests and cleanliness

Issues on record · 7 complaints, 2025–2026 · 3 in the past year

What has happened here

PestsApt 5D class C · HPD violation

PestsApt 5H class C · HPD violation

MoldApt 5D complaint

PestsApt 5H complaint

Mold, pestsApt 5H complaint

Mold, pestsApt 5H complaint

Show 8 more

MoldApt 4H class A · closed · HPD violation

MoldApt 4H complaint

Mold, pestsApt 4H complaint

2025 Jun

MoldApt 3J complaint

2024 Jul

PestsApt 2A complaint

MoldApt 3J complaint

PestsApt 3J complaint

2024 Mar

MoldApt 3J complaint

Fire and safety

10 resolved since 2025

What has happened here

Lead-based paintApt 5D class C · closed · HPD violation

Lead-based paintApt 5H class C · closed · HPD violation

Lead-based paintApt 5H class C · closed · HPD violation

Lead-based paintApt 5H class C · closed · HPD violation

Lead-based paintApt 5H class C · closed · HPD violation

Lead-based paintApt 5H class C · closed · HPD violation

Show 5 more

Fire safetyApt 1C class C · closed · HPD violation

Fire safety class B · closed · HPD violation

Fire safety class B · closed · HPD violation

Fire safety class C · closed · HPD violation

1991 Jun

Sprinklers permit

Electrical

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

What has happened here

ElectricalApt 5D class B · HPD violation

ElectricalApt 4D complaint

Electrical complaint

ElectricalApt 2C complaint

ElectricalApt 4H complaint

ElectricalApt 3J complaint

Show 1 more

2024 Mar

ElectricalApt 3J 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

Elevators

Issues on record (2025) · 1 complaint, 2026

What has happened here

VT-CAT1-CO Elevators DOB violation

Elevators complaint

2025 Oct

2023 Oct

VT-CAT1-CO Elevators DOB violation

2023 Oct

VT-CAT1-CO Elevators DOB violation

2022 Aug

Elevators class - 1 · DOB violation

2021 Nov

Elevators class - 1 · DOB violation

Show 4 more

2019 Sep

(Other Bldgs Types) - Elevator Affirmation Of Correction DOB violation

2018 Jan

(Other Bldgs Types) - Elevator Affirmation Of Correction DOB violation

2017 Jan

(Other Bldgs Types) - Elevator Affirmation Of Correction DOB violation

2016 Nov

(Other Bldgs Types) - Elevator Affirmation Of Correction DOB violation

Elevators

1 active elevator; latest periodic inspection Aug 2026

DOB NOW Elevator Safety Compliance, as of 2026-10-18 · 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)

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 91 (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

82 open: 80 about building conditions — walls, floors and stairs (21), doors and windows (17), smoke or CO detectors (12), pests (10); 19 immediately hazardous (class C), 2 about paperwork or notices. Also 2 older records from 2000–2015 never closed. 25 further violations from 2025–2026 were closed. 204 violations on record in all, 2000–2026 — the 119 most recent are listed here

2026 Oct

Doors and windowsApt 5D class C

Walls, floors and stairs class A

Doors and windows class C

Doors and windows class C

Walls, floors and stairsApt 4A class A

Walls, floors and stairsApt 4A class A

Smoke or CO detectorsApt 4A class B

Smoke or CO detectorsApt 4A class B

Show 42 more

Walls, floors and stairsApt 4A class B

Doors and windowsApt 5D class A

Walls, floors and stairsApt 5H class A

Other conditions class A

Other conditionsApt 5D class A

ElectricalApt 5D class B

PestsApt 5D class C

Doors and windowsApt 5D class C

Smoke or CO detectorsApt 5D class B

Smoke or CO detectorsApt 5D class B

Walls, floors and stairsApt 5D class A

PestsApt 5H class C

Lead-based paintApt 5D class C · closed

Fire safetyApt 1C class C · closed

Heat or hot water class C · closed

Heat or hot waterApt 1C class C · closed

Doors and windowsApt 4H class B · closed

Other conditionsApt 5H class A · closed

Doors and windowsApt 5H class B · closed

Walls, floors and stairsApt 5H class B · closed

Walls, floors and stairsApt 5H class B · closed

Walls, floors and stairsApt 5H class A · closed

Doors and windowsApt 5H class A · closed

Walls, floors and stairs class A · closed

Fire safety class B · closed

Leaks class B · closed

Walls, floors and stairs class A · closed

Fire safety class B · closed

Doors and windows class B · closed

Fire safety class C · closed

MoldApt 4H class A · closed

Walls, floors and stairsApt 3J class B · closed

and 34 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

14 open: 6 about building conditions, 8 about filings or paperwork

2025 Oct

VT-CAT1-CO Elevators

Failure To Post Energy Grade/Score

Failure To Post Energy Grade/Score

2021 Nov

Elevators class - 1

Show 6 more

2021 Apr

Failure To Post Energy Grade/Score

2019 Sep

(Other Bldgs Types) - Elevator Affirmation Of Correction

2018 Jan

(Other Bldgs Types) - Elevator Affirmation Of Correction

2017 Jan

(Other Bldgs Types) - Elevator Affirmation Of Correction

2016 Nov

(Other Bldgs Types) - Elevator Affirmation Of Correction

2015 Feb

Fail To Certify Class 1 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

27 heat or hot water, 17 plumbing, 10 paint or plaster, 6 doors or windows, 6 mold, 5 floors or stairs, 5 general repairs, 4 appliances, 4 electrical, 4 pests, 2 leaks, 1 elevators

2026 Oct

Paint or plasterApt 5D

Elevators

Floors or stairsApt 4A

MoldApt 5D

Appliances, floors or stairs, paint or plaster, plumbingApt 4A

Appliances, floors or stairs, general repairs, paint or plaster, plumbingApt 4A

Show 61 more

Floors or stairs, paint or plaster, mold, pests, leaksApt 5H

Heat or hot water, paint or plaster, plumbingApt 5D

ElectricalApt 4D

Heat or hot waterApt 1C

Heat or hot waterApt 1C

Electrical, heat or hot waterApt 2C

Heat or hot waterApt 4C

Heat or hot waterApt 1K

Paint or plaster, plumbing, mold, pestsApt 5H

Heat or hot waterApt 5C

Paint or plaster, moldApt 4H

Electrical, paint or plaster, plumbing, mold, pests, leaksApt 4H

General repairsApt 4H

Appliances, doors or windows, general repairs, moldApt 3J

General repairsApt 5B

2025 Jun

2025 Apr

Floors or stairsApt BASEME

Heat or hot waterApt 3H

General repairs, pestsApt 2A

Heat or hot waterApt 2G

2024 Oct

General repairs

2024 Jul

Paint or plaster, moldApt 3J

Doors or windowsApt 3J

Electrical, plumbing, moldApt 3J

PestsApt 3J

2024 Mar

2023 Dec

PlumbingApt 4H

2023 Nov

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

6 permits since 1990

Structural permit, General construction permit, Foundation permit

2004 Jul

General construction permit

1991 Jun

Sprinklers permit, General construction permit

and 3 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

2026 Oct

Paint or plasterApt 5D complaint

Smoke or CO detectorsApt 4A class B · HPD violation

Smoke or CO detectorsApt 4A class B · HPD violation

Other conditions class A · HPD violation

Other conditionsApt 5D class A · HPD violation

Smoke or CO detectorsApt 5D class B · HPD violation

Show 27 more

Smoke or CO detectorsApt 5D class B · HPD violation

Floors or stairsApt 4A complaint

Appliances, floors or stairs, paint or plasterApt 4A complaint

Appliances, floors or stairs, general repairs, paint or plasterApt 4A complaint

Floors or stairs, paint or plasterApt 5H complaint

Paint or plasterApt 5D complaint

Structural permit, Foundation permit

Other conditionsApt 5H class A · closed · HPD violation

Paint or plasterApt 5H complaint

Paint or plasterApt 4H complaint

Paint or plasterApt 4H complaint

General repairsApt 4H complaint

General repairsApt 5B complaint

2025 Jun

Appliances, doors or windows, general repairsApt 3J complaint

2025 Apr

Floors or stairsApt BASEME complaint

Failure To Post Energy Grade/Score DOB violation

2024 Oct

General repairs complaint

2024 Jul

General repairsApt 2A complaint

Paint or plasterApt 3J complaint