Building health · MANHATTAN, NY

257 W 101 St

built 1904 · 6 stories · 40 apartments
Also known as 840 W End Ave — one building, several doors.

Apartments named in these records

Apt 2B 5Apt 2D 1Apt 3BB 1Apt 4B 10Apt 4C 4Apt 5B 46Apt 6B 1

7 of this building’s 40 apartments are named in a city record. The rest have no record naming them, which is the usual case.

These are city records about an apartment, not about anyone who lives or lived there. They may not be used to screen a tenant.

Fire and safety

Issues on record
What has happened here
2026 Sep
Fire safety class B · HPD violation
2026 Aug
Fire safety class C · HPD violation
2026 Aug
Fire safety class B · HPD violation
2026 Apr
Fire safety class B · HPD violation
2026 Mar
Fire safety class C · closed · HPD violation
2026 Mar
Fire safety class C · closed · HPD violation
Show 8 more
2025 Nov
Fire safetyApt 2B class C · closed · HPD violation
2025 Nov
Fire safety class C · closed · HPD violation
2025 Nov
Fire safety class C · closed · HPD violation
2025 Nov
Fire safety class C · closed · HPD violation
2025 Apr
Fire safety class C · closed · HPD violation
2024 Jun
Fire safety class C · closed · HPD violation
2023 Dec
Fire safety class B · closed · HPD violation
2023 Dec
Fire safety class C · closed · HPD violation

Structure and facade

Issues on record
What has happened here
2026 Oct
Walls, floors and stairsApt 5B class A · HPD violation
2026 Sep
Walls, floors and stairsApt 4B class A · HPD violation
2026 Sep
Walls, floors and stairsApt 4B class A · HPD violation
2026 Mar
Walls, floors and stairsApt 5B class B · HPD violation
2026 Mar
Walls, floors and stairsApt 5B class A · HPD violation
2026 Mar
Walls, floors and stairsApt 5B class A · HPD violation
Show 13 more
2026 Mar
Walls, floors and stairsApt 5B class B · HPD violation
2023 Dec
Walls, floors and stairs class A · closed · HPD violation
2023 Dec
Walls, floors and stairs class A · closed · HPD violation
2019 Sep
General construction permit
2019 Aug
Construction class - 1 · DOB violation
2019 Aug
Construction class - 1 · DOB violation
2017 Jul
General construction permit
2017 May
Construction class - 2 · DOB violation
2017 Feb
General construction permit
2017 Jan
General construction permit
2016 Nov
General construction permit
2016 Sep
Scaffold permit
2016 May
General construction permit
Facade rating

Safe (cycle 9, filed Jul 2024)

DOB NOW: Safety – Facades Compliance Filings, as of 2026-10-18 · See the facade filings at DOB →
What this counts

Most recent facade (FISP) filing in the latest 5-year cycle

Landmark statusWhole tax lot

In the Riverside-West End Historic District Extension II

PLUTO (tax lot data), as of 2026-08-24
  • Sidewalk shed and scaffoldingfoundNo active shed permit; permits since Jan 2017, last expired Jan 2018

Heat and hot water

4 complaints, 2025–2026 · 3 in the past year
What has happened here
2026 Jun
Heat or hot water complaint
2026 Feb
Heat or hot waterApt 5B complaint
2026 Feb
Heat or hot water complaint
2025 Feb
Heat or hot waterApt 6B complaint
2024 Jun
Heat or hot water complaint
2023 Nov
Heat or hot water complaint
Show 1 more
2017 Feb
Heating/ventilation permit
Heat source

Boiler burning No. 4 oil (Eastmond ESP-100), registration expired since Apr 2019

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 Nov 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

Boiler work permits

Latest boiler work permit 1998

DOB Permit Issuance (BIS), as of 2026-10-17
What this counts

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

Heat and hot water complaints

2 heat or hot water complaints

Housing Maintenance Code Complaints and Problems, as of 2026-10-18 · 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 · 20 complaints, 2025–2026 · 19 in the past year
What has happened here
2026 Sep
LeaksApt 4B class B · HPD violation
2026 Sep
PlumbingApt 5B complaint
2026 Sep
PlumbingApt 5B complaint
2026 Sep
LeaksApt 4B complaint
2026 Sep
LeaksApt 4B complaint
2026 Sep
PlumbingApt 5B complaint
Show 23 more
2026 Sep
PlumbingApt 5B complaint
2026 Aug
LeaksApt 5B complaint
2026 Aug
PlumbingApt 5B complaint
2026 Aug
LeaksApt 4B complaint
2026 Apr
LeaksApt 5B class A · HPD violation
2026 Apr
PlumbingApt 5B complaint
2026 Apr
PlumbingApt 5B complaint
2026 Mar
PlumbingApt 5B complaint
2026 Mar
PlumbingApt 5B complaint
2026 Mar
LeaksApt 5B class B · HPD violation
2026 Mar
LeaksApt 5B class B · HPD violation
2026 Mar
LeaksApt 5B complaint
2026 Mar
LeaksApt 5B complaint
2026 Mar
PlumbingApt 5B complaint
2026 Jan
PlumbingApt 5B complaint
2025 Nov
PlumbingApt 5B complaint
2025 Nov
LeaksApt 5B complaint
2025 Sep
LeaksApt 2B class B · closed · HPD violation
2025 Sep
LeaksApt 2B complaint
2024 Aug
LeaksApt 5B complaint
2024 Apr
LeaksApt 4C complaint
2020 Jul
Plumbing permit
2017 Mar
Plumbing permit
Water service line

Non-Lead (field inspection)

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

Pests and cleanliness

Issues on record · 3 complaints, 2024–2025 · 1 in the past year
What has happened here
2026 Oct
PestsApt 5B class C · HPD violation
2026 Apr
Pests class A · paperwork · closed · HPD violation
2026 Apr
PestsApt 5B class C · HPD violation
2025 Nov
MoldApt 5B class B · HPD violation
2025 Nov
MoldApt 5B class A · closed · HPD violation
2025 Nov
MoldApt 5B complaint
Show 8 more
2025 Sep
MoldApt 2B complaint
2025 Jun
Pests class A · paperwork · closed · HPD violation
2024 Nov
Unsanitary conditionsApt 2D complaint
2024 Jul
Unsanitary conditions complaint
2024 Jul
Unsanitary conditions complaint
2024 Apr
MoldApt 4C class B · closed · HPD violation
2024 Apr
MoldApt 4C complaint
2024 Apr
Pests class A · paperwork · closed · HPD violation

Electrical

2 complaints, 2025–2026
What has happened here
2026 Sep
ElectricalApt 4B complaint
2025 Nov
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 2026-10-19
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

Older records on file
What has happened here
2020 Aug
Elevator DOB violation
Elevators

1 active elevator; latest periodic inspection Jul 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

ENERGY STAR score 83 (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

80 open: 80 about building conditions — walls, floors and stairs (35), leaks (9), pests (7), fire safety (6); 11 immediately hazardous (class C). Also 1 older record from 2014 never closed. 18 further violations from 2023–2026 were closed. 234 violations on record in all, 1994–2026 — the 99 most recent are listed here

2026 Oct
Walls, floors and stairsApt 5B class A
2026 Oct
PestsApt 5B class C
2026 Sep
Walls, floors and stairsApt 4B class A
2026 Sep
Walls, floors and stairsApt 4B class A
2026 Sep
LeaksApt 4B class B
2026 Sep
Fire safety class B
2026 Aug
Fire safety class C
2026 Aug
Other conditions class A
Show 35 more
2026 Aug
Fire safety class B
2026 Aug
Other conditionsApt 5B class A
2026 Apr
Pests class A · paperwork · closed
2026 Apr
Fire safety class B
2026 Apr
LeaksApt 5B class A
2026 Apr
PestsApt 5B class C
2026 Apr
Smoke or CO detectorsApt 5B class B
2026 Apr
Smoke or CO detectorsApt 5B class B
2026 Mar
Smoke or CO detectorsApt 5B class B
2026 Mar
Smoke or CO detectorsApt 5B class B
2026 Mar
LeaksApt 5B class B
2026 Mar
Walls, floors and stairsApt 5B class B
2026 Mar
Walls, floors and stairsApt 5B class A
2026 Mar
Walls, floors and stairsApt 5B class A
2026 Mar
Walls, floors and stairsApt 5B class B
2026 Mar
LeaksApt 5B class B
2026 Mar
Other conditions class A
2026 Mar
Fire safety class C · closed
2026 Mar
Fire safety class C · closed
2025 Nov
MoldApt 5B class B
2025 Nov
MoldApt 5B class A · closed
2025 Nov
Fire safetyApt 2B class C · closed
2025 Nov
Fire safety class C · closed
2025 Nov
Fire safety class C · closed
2025 Nov
Fire safety class C · closed
2025 Sep
LeaksApt 2B class B · closed
2025 Jun
Pests class A · paperwork · closed
2025 Apr
Fire safety class C · closed
2024 Jun
Fire safety class C · closed
2024 Apr
MoldApt 4C class B · closed
2024 Apr
Pests class A · paperwork · closed
2023 Dec
Walls, floors and stairs class A · closed
2023 Dec
Fire safety class B · closed
2023 Dec
Walls, floors and stairs class A · closed
2023 Dec
Fire safety class C · closed
and 38 more at the source
Housing Maintenance Code Violations, as of 2026-10-18 · 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

7 open: 6 about building conditions, 1 about filings or paperwork

2026 Aug
Landmark
2022 Aug
Failure To Benchmark
2020 Aug
Elevator
2019 Aug
Construction class - 1
2019 Aug
Construction class - 1
2019 Aug
Unknown class - 2
2017 May
Construction class - 2
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

Permit history

29 permits since 1990

2020 Jul
Plumbing permit, General construction permit
2017 Jul
General construction permit
2017 Mar
Plumbing permit, Heating/ventilation permit, General construction permit
2017 Jan
General construction permit
2016 Nov
General construction permit
2016 Sep
Scaffold permit
2016 May
General construction permit
and 22 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
Safety complaint
2026 Sep
Floors or stairsApt 4B complaint
2026 Sep
Floors or stairsApt 5B complaint
2026 Aug
Other conditions class A · HPD violation
2026 Aug
Other conditionsApt 5B class A · HPD violation
2026 Aug
Landmark DOB violation
Show 15 more
2026 Aug
Floors or stairsApt 5B complaint
2026 Aug
Doors or windows, floors or stairsApt 4B complaint
2026 Apr
Smoke or CO detectorsApt 5B class B · HPD violation
2026 Apr
Smoke or CO detectorsApt 5B class B · HPD violation
2026 Mar
Smoke or CO detectorsApt 5B class B · HPD violation
2026 Mar
Smoke or CO detectorsApt 5B class B · HPD violation
2026 Mar
Paint or plasterApt 5B complaint
2026 Mar
Other conditions class A · HPD violation
2026 Jan
Doors or windowsApt 3BB complaint
2025 Nov
Paint or plasterApt 5B complaint
2025 Nov
Floors or stairs, general repairs, paint or plasterApt 5B complaint
2025 Sep
Paint or plasterApt 2B complaint
2024 Apr
Paint or plasterApt 4C complaint
2022 Aug
Failure To Benchmark DOB violation
2019 Aug
Unknown class - 2 · DOB violation

Nothing on record

Gasno record
  • Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published

Sources

23 datasets

FEMA

NYC DCP

NYC DEP

NYC DEP / Mayor's Office

NYC DOB

NYC DOB / Mayor's Office

NYC HPD

NYC OTI

NYC Rent Guidelines Board / NYS HCR

Each date is when we last checked that dataset, not when the record itself was created.

Every row shows the record it came from and the date it was last checked.
These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked.
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Not an inspection and not a warranty. May not be used for tenant screening — terms of use · privacy.