Building record from city data · MANHATTAN, NY

520 W 156 St

Printed 2026-10-20 from blueflo.tech/b/520-west-156-street-manhattan, where it is kept current. These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked. Not a warranty. May not be used for tenant screening (terms of use).

built 1908 · 5 stories · 21 apartments · BIN 1062689 · BBL 1021140026

Worth knowing
2 open immediately hazardous (class C) HPD violations about walls, floors and stairs
Source: Housing Maintenance Code Violations · as of 2026-10-19
Worth knowing
Also on record
Clean in the records
Registered with the city

WEST 156 HOLDING LLC

Leaks: 4 reports to the city since 2024
More reports than most similar-size buildings in Washington Heights & Inwood
2024Leaks · Aug 2024 · 1 report (1 complaint)Aug 22, 2024Leaks · Oct 2024 · 1 report (1 complaint)Oct 1, 2024
2025
2026Leaks · Feb 2026 · 1 report (1 complaint)Feb 7, 2026Leaks · May 2026 · 1 report (1 complaint)May 26, 2026
Source: HPD Complaints and Problems · as of 2026-10-20

Also reported

2024 – 2026

A filled month had a report to HPD; darker means more than one, and the past year is brightest. Tap one to read it. Complaints within a week count as one report. Records list complaints filed, not conditions found.

Apartments named in these records

10 of this building’s 21 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.

Structure and facade

Issues on record
  • Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
  • Sidewalk shed and scaffoldingfoundNo active shed permit
  • Landmark statusno recordNot in a historic district on record

Heat and hot water

3 complaints, 2025–2026
Heat source

Boiler burning natural gas (H.B. Smith 28HE-S/W-07), registration current since Dec 2023

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

Boiler work permits

Latest boiler work permit 2015 (2 on record)

DOB Permit Issuance (BIS), as of 2026-10-19
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 2026-10-19 · See the complaints at HPD Online →
What this counts

HPD complaints, heat season 2025–26 (Oct 1–May 31)

Water and pipes

4 complaints, 2026

Pests and cleanliness

Issues on record (2023) · 1 complaint, 2026

Fire and safety

5 resolved since 2025

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

8 open: 8 about building conditions — walls, floors and stairs (5), leaks (1), mold (1), plumbing (1); 2 immediately hazardous (class C). Also 4 older records from 1997–2016 never closed. 25 further violations from 2024–2026 were closed. 332 violations on record in all, 1991–2026 — the 55 most recent are listed here

2026 Jul
Walls, floors and stairsApt 54 class C
2026 Jul
Walls, floors and stairsApt 54 class C
2026 Jul
Walls, floors and stairsApt 54 class B · closed
2026 Jul
Smoke or CO detectorsApt 54 class B · closed
2026 Jul
Smoke or CO detectorsApt 54 class B · closed
2026 Jul
Walls, floors and stairsApt 54 class B · closed
2026 Jul
PlumbingApt 54 class B · closed
2026 Jun
Walls, floors and stairs class A
Show 29 more
2026 Jun
Fire safety class B · closed
2026 Jun
Other conditionsApt 32 class B · closed
2026 May
Doors and windows class B · closed
2026 May
Fire safety class C · closed
2026 May
Other conditions class B · closed
2026 May
Fire safety class C · closed
2026 Apr
Fire safety class C · closed
2025 Dec
Walls, floors and stairsApt 21 class A · closed
2025 Dec
Walls, floors and stairsApt 21 class A · closed
2025 Dec
LeaksApt 21 class B · closed
2025 Nov
Other conditions class I · paperwork · closed
2025 Aug
PestsApt 21 class C · closed
2025 Aug
Smoke or CO detectorsApt 21 class B · closed
2025 Aug
Smoke or CO detectorsApt 21 class B · closed
2025 Aug
Doors and windowsApt 21 class B · closed
2025 Aug
Walls, floors and stairs class B · closed
2025 Aug
Fire safety class B · closed
2024 Sep
Smoke or CO detectorsApt 1 class B · closed
2024 Sep
Smoke or CO detectorsApt 1 class B · closed
2024 Sep
Walls, floors and stairsApt 1 class B · closed
2023 Aug
MoldApt 44 class B
2020 Jan
LeaksApt 23 class B
2020 Jan
Walls, floors and stairsApt 23 class B
2020 Jan
PlumbingApt 23 class B
2020 Jan
Walls, floors and stairsApt 23 class B
2016 Aug
Walls, floors and stairsApt 23 class B · never closed
2015 Dec
Walls, floors and stairsApt 23 class B · never closed
2006 May
Walls, floors and stairsApt 23 class B · never closed
1997 Jun
Walls, floors and stairsApt 23 class A · 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

Permit history

10 permits since 1990

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

  • DOB violationsfound0 open

Nothing on record

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

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