91 Hamilton Pl — all records — Blueflo

Building health · MANHATTAN, NY

built 1920 · 6 stories · 27 apartments

Also known as 503 W 141 St — one building, several doors.

Apartments named in these records

Apt 2 5 Apt 10 1 Apt 11 1 Apt 23 1 Apt 27 22 Apt 28 1

6 of this building’s 27 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.

Heat and hot water

Issues on record (2023) · 12 complaints, 2024–2026 · 5 in the past year

What has happened here

Heat or hot water complaint

Heat or hot water complaint

Heat or hot water complaint

Heat or hot waterApt 10 complaint

Heat or hot water complaint

Heat or hot water class C · paperwork · closed · HPD violation

Show 14 more

Heat or hot waterApt 23 complaint

Heat or hot water complaint

Heat or hot water complaint

Heat or hot water complaint

Heat or hot water complaint

Heat or hot water complaint

Heat or hot water complaint

Heat or hot water complaint

Heat or hot water complaint

Low Pressure Boiler DOB violation

Low Pressure Boiler DOB violation

Low Pressure Boiler DOB violation

Low Pressure Boiler DOB violation

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

Heat source

Boiler burning none (Pacific #2923 PACIFIC #2923), registration cancelled since Feb 1990

Clean Air Tracking System (boiler registrations), as of 2026-10-16 · See this building's boiler registrations on NYC Open Data →

Boiler inspection filings

Latest accepted inspection Sep 2024, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-16 · See the boiler filings at DOB →

What this counts

Accepted annual boiler inspection filings, any date

Heat and hot water complaints

7 heat or hot water complaints

Housing Maintenance Code Complaints and Problems, as of 2026-10-17 · 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

1 complaint, 2026

What has happened here

PlumbingApt 28 complaint

Leaks class A · closed · HPD violation

Leaks class B · closed · HPD violation

PlumbingApt 27 class B · HPD violation

PlumbingApt 27 class B · HPD violation

Water service line

Non-Lead (field inspection)

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

Pests and cleanliness

Older records on file

What has happened here

Pests class A · paperwork · closed · HPD violation

Pests class A · paperwork · closed · HPD violation

Pests class A · paperwork · closed · HPD violation

PestsApt 2 class C · HPD violation

PestsApt 2 class C · HPD violation

PestsApt 27 class B · HPD violation

Show 1 more

PestsApt 27 class B · HPD violation

Fire and safety

Older records on file

What has happened here

Fire safety class C · closed · HPD violation

Fire safetyApt 2 class B · closed · HPD violation

Fire safety class A · closed · HPD violation

Fire safetyApt 11 class C · HPD violation

Electrical

Older records on file

What has happened here

ElectricalApt 27 class B · HPD violation

ElectricalApt 27 class B · HPD violation

Structure and facade

Issues on record, most recently 2024

What has happened here

Walls, floors and stairs class A · closed · HPD violation

Walls, floors and stairs class A · closed · HPD violation

No Report And / Or Late Filing (Facade) DOB violation

Construction class - 3 · DOB violation

Construction class - 2 · DOB violation

No Report And / Or Late Filing (Facade) DOB violation

Show 14 more

Construction class - 1 · DOB violation

Walls, floors and stairsApt 27 class B · HPD violation

Walls, floors and stairsApt 27 class B · HPD violation

Doors and windowsApt 27 class A · HPD violation

Doors and windowsApt 27 class A · HPD violation

Walls, floors and stairsApt 27 class A · HPD violation

Walls, floors and stairsApt 27 class A · HPD violation

Walls, floors and stairsApt 27 class A · HPD violation

Walls, floors and stairsApt 27 class B · HPD violation

Walls, floors and stairsApt 27 class B · HPD violation

Doors and windowsApt 27 class B · HPD violation

Doors and windowsApt 27 class B · HPD violation

Walls, floors and stairsApt 27 class B · HPD violation

Walls, floors and stairsApt 27 class B · HPD violation

Facade ratingfoundNo Report Filed (cycle 9, filed None)
Sidewalk shed and scaffoldingno recordNo sidewalk shed permits on record
Landmark statusno recordNot in a historic district on record

Flooding

No issues on record

FEMA flood zone

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

FEMA National Flood Hazard Layer, as of 2026-10-17

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

Gas

What has happened here

PL-PER Gas Piping - LL152 DOB violation

GasApt 27 class A · HPD violation

Gas piping

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

DOB Safety Violations, as of 2026-10-17

What this counts

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

General condition and all records

HPD violations

30 open: 30 about building conditions — walls, floors and stairs (11), doors and windows (5), smoke or CO detectors (4), pests (4); 3 immediately hazardous (class C). Also 17 older records from 1995–1999 never closed. 17 further violations from 2023–2026 were closed. 109 violations on record in all, 1995–2026 — the 64 most recent are listed here

Pests class A · paperwork · closed

Fire safety class C · closed

Walls, floors and stairs class A · closed

Heat or hot water class C · paperwork · closed

Smoke or CO detectors class A · closed

Smoke or CO detectors class A · closed

Leaks class A · closed

Pests class A · paperwork · closed

Show 34 more

Other conditions class I · paperwork · closed

Smoke or CO detectorsApt 2 class B · closed

Smoke or CO detectorsApt 2 class B · closed

Fire safetyApt 2 class B · closed

Fire safety class A · closed

Walls, floors and stairs class A · closed

Leaks class B · closed

Pests class A · paperwork · closed

Other conditions class I · paperwork · closed

Fire safetyApt 11 class C

PestsApt 2 class C

PestsApt 2 class C

GasApt 27 class A

Walls, floors and stairsApt 27 class B

ElectricalApt 27 class B

PlumbingApt 27 class B

PlumbingApt 27 class B

PestsApt 27 class B

PestsApt 27 class B

Smoke or CO detectorsApt 27 class B

Smoke or CO detectorsApt 27 class B

Walls, floors and stairsApt 27 class B

Doors and windowsApt 27 class A

Doors and windowsApt 27 class A

Walls, floors and stairsApt 27 class A

ElectricalApt 27 class B

Walls, floors and stairsApt 27 class A

Walls, floors and stairsApt 27 class A

Walls, floors and stairsApt 27 class B

Walls, floors and stairsApt 27 class B

Doors and windowsApt 27 class B

Doors and windowsApt 27 class B

Walls, floors and stairsApt 27 class B

Walls, floors and stairsApt 27 class B

and 5 more at the source

Housing Maintenance Code Violations, as of 2026-10-17 · 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

PL-PER Gas Piping - LL152

Local Law class - 2

No Report And / Or Late Filing (Facade)

Construction class - 3

Low Pressure Boiler

Low Pressure Boiler

Low Pressure Boiler

Low Pressure Boiler

Show 5 more

Construction class - 2

Local Law class - 2

No Report And / Or Late Filing (Facade)

Construction class - 1

Local Law 62/91 - Boilers never closed

DOB Violations, as of 2026-10-17 · 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

12 heat or hot water, 1 plumbing

Heat or hot water

Heat or hot water

Heat or hot water

Heat or hot waterApt 10

Heat or hot water

Heat or hot waterApt 23

Heat or hot water

Show 7 more

Heat or hot water

Heat or hot water

Heat or hot water

Heat or hot water

Heat or hot water

Heat or hot water

Heat or hot water

Housing Maintenance Code Complaints and Problems, as of 2026-10-17 · 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

Everything else on record

Smoke or CO detectors class A · closed · HPD violation

Smoke or CO detectors class A · closed · HPD violation

Local Law class - 2 · DOB violation

Other conditions class I · paperwork · closed · HPD violation

Smoke or CO detectorsApt 2 class B · closed · HPD violation

Smoke or CO detectorsApt 2 class B · closed · HPD violation

Show 4 more

Other conditions class I · paperwork · closed · HPD violation

Local Law class - 2 · DOB violation

Smoke or CO detectorsApt 27 class B · HPD violation

Smoke or CO detectorsApt 27 class B · HPD violation

Permit historyno record0 permits since 1990

Nothing on record

Rent and tenancyNot on the state list

Rent stabilizationno recordNot on the state's 2024 list. Owners who register late or not at all are missing, so ask HCR about a specific apartment

Energyno record

Energynot requiredNot required: energy reporting applies to buildings over 25,000 sq ft

ElevatorsNot applicable

Elevatorsnot requiredNo elevators registered to this building

Sources

23 datasets

FEMA

FEMA National Flood Hazard Layer2026-10-17
OpenFEMA NFIP Redacted Claims (v3)2026-09-09

NYC DCP

NYC GeoSearch (address directory)2026-10-17
PLUTO (tax lot data)2026-08-24

NYC DEP

Clean Air Tracking System (boiler registrations)2026-10-16
Lead Service Line Location Coordinates2026-01-30

NYC DEP / Mayor's Office

NYC Stormwater Flood Maps2024-07-03

NYC DOB

DOB NOW Elevator Safety Compliance2026-10-16
DOB NOW: Build – Approved Permits2026-10-16
DOB NOW: Safety Boiler2026-10-16
DOB NOW: Safety – Facades Compliance Filings2026-10-17
DOB Permit Issuance (BIS)2026-10-16
DOB Safety Violations2026-10-17
DOB Violations2026-10-17

NYC DOB / Mayor's Office

Energy and Water Data Disclosure (Local Law 84)2025-11-25

NYC HPD

Buildings Subject to HPD Jurisdiction2026-08-12
Housing Maintenance Code Complaints and Problems2026-10-17
Housing Maintenance Code Violations2026-10-17
Multiple Dwelling Registrations2026-08-12
Registration Contacts2026-08-12

NYC OTI

AddressPoint2026-07-07
Building Footprints2026-10-11

NYC Rent Guidelines Board / NYS HCR

Rent Stabilized Building Lists (2024 HCR registrations)2025-11-30

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.