Building health · MANHATTAN, NY

21 W 86 St

built 1927 · 15 stories · 154 apartments
Also known as 25 W 86 St — one building, several doors.

Apartments named in these records

11 of this building’s 154 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 · 7 complaints, 2024–2026 · 5 in the past year
Heat source

Boiler burning no6fuel (Federal Fst250 Sp FEDERAL FST250 SP), registration cancelled since Mar 2018

Clean Air Tracking System (boiler registrations), as of 2026-10-19 · See this building's boiler registrations on NYC Open Data →
Boiler work permits

Latest boiler work permit 1990

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

6 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)

  • Boiler inspection filingsno recordNo boiler filings under this building's ID

Water and pipes

Issues on record (2024) · 3 complaints, 2025 · 1 in the past year

Pests and cleanliness

Issues on record · 5 complaints, 2025–2026 · 2 in the past year

Fire and safety

Older records on file

Electrical

Issues on record, most recently 2024

Structure and facade

Issues on record, most recently 2024
Facade rating

Safe (cycle 9, filed Jun 2021)

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 Upper West Side / Central Park West Historic District

PLUTO (tax lot data), as of 2026-08-24
  • Sidewalk shed and scaffoldingfoundNo active shed permit; permits since Feb 2021, last expired Sep 2021

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, most recently 2025
Elevators

3 active elevators; latest periodic inspection Jan 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 45 (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

19 open: 18 about building conditions — walls, floors and stairs (6), mold (4), electrical (3), pests (3); 4 immediately hazardous (class C), 1 about paperwork or notices. 25 further violations from 2024–2026 were closed. 279 violations on record in all, 1994–2026 — the 60 most recent are listed here

2026 Jun
Smoke or CO detectorsApt 4J class B · closed
2026 Jun
Smoke or CO detectorsApt 4J class B · closed
2025 Nov
MoldApt 4J class C
2025 Nov
LeaksApt 4J class B · closed
2025 Nov
LeaksApt 4J class B · closed
2025 Mar
Walls, floors and stairsApt 10D class A · closed
2025 Mar
LeaksApt 10D class B · closed
2025 Feb
Walls, floors and stairs class A · closed
Show 36 more
2025 Feb
Fire safety class B · closed
2024 Jul
Walls, floors and stairsApt 4J class B
2024 Jul
MoldApt 4J class B
2024 Jul
MoldApt 4J class C
2024 Jul
PestsApt 4J class C
2024 Jul
PestsApt 4J class C
2024 Jul
MoldApt 4J class B · closed
2024 Jul
MoldApt 4J class B · closed
2024 Jul
Doors and windowsApt 4J class A · closed
2024 Jul
Walls, floors and stairsApt 4J class B · closed
2024 Jul
Walls, floors and stairsApt 4J class B · closed
2024 Jul
LeaksApt 4J class B · closed
2024 Jul
Walls, floors and stairsApt 4J class B · closed
2024 Jul
Doors and windowsApt 4J class A · closed
2024 Jul
LeaksApt 4J class B · closed
2024 Jul
LeaksApt 4J class B · closed
2024 Jul
LeaksApt 4J class B · closed
2024 Jul
Walls, floors and stairsApt 4J class B · closed
2024 Jul
Doors and windowsApt 4J class A · closed
2024 Jul
MoldApt 4J class A · closed
2024 Jul
Doors and windowsApt 4J class A · closed
2024 Jul
Other conditionsApt 4J class B · closed
2024 Jul
Walls, floors and stairsApt 4J class B · closed
2024 Jul
Walls, floors and stairsApt 12B class A
2024 Jul
PestsApt 12B class B
2024 Jul
ElectricalApt 12B class B
2024 Jul
LeaksApt 12B class B
2024 Jul
ElectricalApt 12B class B
2024 Mar
Walls, floors and stairsApt 12B class B
2023 Aug
PlumbingApt 12B class B
2023 Aug
Walls, floors and stairsApt 12B class B
2023 Aug
Walls, floors and stairsApt 12B class B
2023 Aug
Walls, floors and stairsApt 12B class B
2023 Aug
ElectricalApt 12B class B
2023 Jul
MoldApt 15B class B
2023 Mar
Lead-based paintApt 7G class C · paperwork
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

3 open: 1 about building conditions, 1 about filings or paperwork, 1 older than 10 years

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

Nothing on record

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

Sources

23 datasets

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.