Building health · MANHATTAN, NY

175 W 90 St

built 1974 · 20 stories · 188 apartments
Also known as 621 Amsterdam Ave, 625 Amsterdam Ave — one building, several doors.

Apartments named in these records

23 of this building’s 188 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
What has happened here
2026 Jun
Walls, floors and stairsApt 12F class A · HPD violation
2026 Jun
Doors and windowsApt 12F class A · HPD violation
2026 Jun
Walls, floors and stairsApt 12F class B · HPD violation
2026 Jun
Walls, floors and stairsApt 12B class A · HPD violation
2026 Jun
Doors and windowsApt 10H class B · HPD violation
2026 Jun
Walls, floors and stairsApt 10H class B · HPD violation
Show 25 more
2026 Jun
Walls, floors and stairsApt 8D class B · HPD violation
2026 Jun
Walls, floors and stairsApt 6J class B · HPD violation
2026 May
General construction permit
2026 Mar
Construction class - 2 · DOB violation
2025 Sep
Construction class - 1 · DOB violation
2025 Jan
Construction class - 1 · DOB violation
2024 Dec
Construction DOB violation
2024 Nov
Construction class - 1 · DOB violation
2024 Aug
Construction DOB violation
2024 Jul
Walls, floors and stairsApt 20B class B · closed · HPD violation
2024 Jul
Walls, floors and stairsApt 18D class A · closed · HPD violation
2024 Jul
Walls, floors and stairsApt 16F class A · closed · HPD violation
2024 Jul
Walls, floors and stairsApt 16F class A · closed · HPD violation
2024 Jul
Walls, floors and stairs class B · closed · HPD violation
2024 Jul
Walls, floors and stairsApt 6H class B · closed · HPD violation
2024 Jul
Doors and windowsApt 8K class B · closed · HPD violation
2024 Jul
Construction class - 1 · DOB violation
2024 May
Construction class - 1 · DOB violation
2024 Feb
Construction class - 1 · DOB violation
2024 Feb
Construction class - 1 · DOB violation
2023 Dec
Construction class - 1 · DOB violation
2023 Mar
Construction class - 3 · DOB violation
2022 Sep
General construction permit
2019 Apr
General construction permit
2018 May
General construction permit
Facade rating

Safe with a repair and maintenance program (cycle 9, filed Jan 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

  • Sidewalk shed and scaffoldingfoundNo active shed permit; permits since Jul 2019, last expired Aug 2020
  • Landmark statusno recordNot in a historic district on record

Heat and hot water

No issues on record
Heat source

Boiler burning No. 2 oil (Best 5C-175), registration current since Oct 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 Aug 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

Boiler work permits

Latest boiler work permit 2000

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 complaintsfound0 heat or hot water complaints

Water and pipes

1 complaint, 2025

Pests and cleanliness

Issues on record (2024) · 2 complaints, 2025–2026 · 1 in the past year

Fire and safety

Older records on file

Electrical

Older records on file

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
Elevators

2 active elevators; latest periodic inspection May 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

Energy

EnergyWhole tax lot

ENERGY STAR score 71 (2024 report), reported for all of 621 Amsterdam Avenue (2 buildings)

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

21 open: 21 about building conditions — mold (6), pests (6), walls, floors and stairs (6), doors and windows (2); 6 immediately hazardous (class C). Also 1 older record from 2011 never closed. 25 further violations from 2023–2026 were closed. 402 violations on record in all, 1990–2026 — the 50 most recent are listed here

2026 Jun
Other conditionsApt 4K class A
2026 Jun
Walls, floors and stairsApt 12F class A
2026 Jun
Doors and windowsApt 12F class A
2026 Jun
Walls, floors and stairsApt 12F class B
2026 Jun
Walls, floors and stairsApt 12B class A
2026 Jun
Doors and windowsApt 10H class B
2026 Jun
Walls, floors and stairsApt 10H class B
2026 Jun
Walls, floors and stairsApt 8D class B
Show 39 more
2026 Jun
Walls, floors and stairsApt 6J class B
2026 Apr
Pests class A · paperwork · closed
2025 Jun
Pests class A · paperwork · closed
2024 Dec
MoldApt 7H class B
2024 Dec
MoldApt 7H class A · closed
2024 Sep
Smoke or CO detectorsApt 16E class B · closed
2024 Sep
Smoke or CO detectorsApt 16E class B · closed
2024 Jul
MoldApt 6H class B
2024 Jul
PestsApt 8K class C
2024 Jul
Walls, floors and stairsApt 20B class B · closed
2024 Jul
Walls, floors and stairsApt 18D class A · closed
2024 Jul
Walls, floors and stairsApt 16F class A · closed
2024 Jul
Walls, floors and stairsApt 16F class A · closed
2024 Jul
Smoke or CO detectorsApt 16F class B · closed
2024 Jul
Smoke or CO detectorsApt 16F class B · closed
2024 Jul
Smoke or CO detectorsApt 13K class B · closed
2024 Jul
Smoke or CO detectorsApt 13K class B · closed
2024 Jul
Fire safety class C · closed
2024 Jul
Fire safety class C · closed
2024 Jul
Fire safety class C · closed
2024 Jul
Fire safety class C · closed
2024 Jul
Walls, floors and stairs class B · closed
2024 Jul
Smoke or CO detectorsApt 5B class B · closed
2024 Jul
Smoke or CO detectorsApt 5B class B · closed
2024 Jul
Walls, floors and stairsApt 6H class B · closed
2024 Jul
MoldApt 6H class A · closed
2024 Jul
Doors and windowsApt 8K class B · closed
2024 Jul
Other conditionsApt 10H class B · closed
2023 Dec
Fire safety class A · closed
2023 Dec
PestsApt 16A class C
2023 Feb
PestsApt 6A class C
2022 Sep
MoldApt 6A class B
2021 Sep
MoldApt 8D class B
2021 Sep
MoldApt 8D class B
2020 Aug
MoldApt 7H class B
2019 Nov
PestsApt 7H class C
2019 Nov
PestsApt 7H class C
2019 Nov
PestsApt 7H class C
2011 Aug
Lead-based paintApt 7G class C · never closed
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

Resident complaints to the city

2 mold, 1 leaks, 1 paint or plaster

Housing Maintenance Code Complaints and Problems, as of 2026-10-18 · 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

42 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

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
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.