Building health · MANHATTAN, NY

436 Convent Ave

built 1910 · 6 stories · 47 apartments
Also known as 450 W 149 St — one building, several doors.

Apartments named in these records

17 of this building’s 47 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

Structure and facade

Issues on record
What has happened here
2026 May
Construction class - 2 · DOB violation
2026 Apr
Walls, floors and stairsApt 45 class A · HPD violation
2026 Apr
Walls, floors and stairsApt 45 class B · HPD violation
2026 Apr
Walls, floors and stairsApt 45 class B · HPD violation
2026 Jan
Walls, floors and stairsApt 51 class B · HPD violation
2026 Jan
Walls, floors and stairsApt 51 class C · HPD violation
Show 24 more
2026 Jan
Doors and windowsApt 51 class C · HPD violation
2026 Jan
Walls, floors and stairsApt 51 class B · HPD violation
2025 Dec
Walls, floors and stairsApt 4 class A · HPD violation
2025 Dec
Walls, floors and stairsApt 4 class C · HPD violation
2025 Dec
Walls, floors and stairsApt 51 class B · HPD violation
2025 Dec
Walls, floors and stairsApt 51 class B · HPD violation
2025 Dec
Doors and windowsApt 51 class C · closed · HPD violation
2025 May
Construction class - 1 · DOB violation
2024 Nov
Doors and windowsApt 7 class C · closed · HPD violation
2024 Nov
Walls, floors and stairsApt 7 class A · closed · HPD violation
2024 Oct
Doors and windows class C · closed · HPD violation
2024 Oct
Doors and windowsApt 51 class B · closed · HPD violation
2024 Oct
Walls, floors and stairsApt 51 class C · closed · HPD violation
2024 Sep
Walls, floors and stairsApt 1 class C · closed · HPD violation
2024 Sep
Walls, floors and stairsApt 1 class C · closed · HPD violation
2024 Aug
Doors and windows class C · closed · HPD violation
2024 Jul
Doors and windowsApt 65 class B · closed · HPD violation
2024 Jul
Walls, floors and stairsApt 65 class B · closed · HPD violation
2024 Jul
Doors and windowsApt 65 class C · closed · HPD violation
2024 Jul
Walls, floors and stairsApt 65 class B · closed · HPD violation
2016 Apr
General construction permit
2012 Jul
General construction permit
2012 Apr
Construction never closed · DOB violation
2006 Oct
General construction permit
Landmark statusWhole tax lot

In the Hamilton Heights / Sugar Hill Historic District

PLUTO (tax lot data), as of 2026-08-24
  • Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
  • Sidewalk shed and scaffoldingno recordNo sidewalk shed permits on record

Heat and hot water

Issues on record · 7 complaints, 2024–2026 · 3 in the past year
Boiler inspection filings

Latest accepted inspection Feb 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

Heat and hot water complaints

3 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)

  • Heat sourceno recordNo boiler registration or district steam on record
  • Boiler work permitsno recordNo boiler work permits on record

Water and pipes

Issues on record · 21 complaints, 2024–2026 · 17 in the past year
What has happened here
2026 Sep
PlumbingApt 51 complaint
2026 Aug
Plumbing, leaksApt 51 complaint
2026 Jul
PlumbingApt 51 complaint
2026 Jun
LeaksApt 3 complaint
2026 Apr
Plumbing, leaksApt 51 complaint
2026 Apr
LeaksApt 45 complaint
Show 36 more
2026 Mar
PlumbingApt 51 complaint
2026 Feb
LeaksApt 45 complaint
2026 Jan
LeaksApt 51 class C · HPD violation
2026 Jan
PlumbingApt 51 complaint
2026 Jan
LeaksApt 51 class C · HPD violation
2026 Jan
LeaksApt 51 class B · HPD violation
2026 Jan
PlumbingApt 51 complaint
2026 Jan
LeaksApt 51 class C · HPD violation
2026 Jan
LeaksApt 51 class B · HPD violation
2026 Jan
Plumbing, leaksApt 51 complaint
2025 Dec
LeaksApt 4 class C · HPD violation
2025 Dec
LeaksApt 4 class C · HPD violation
2025 Dec
LeaksApt 4 class C · HPD violation
2025 Dec
LeaksApt 4 class C · HPD violation
2025 Dec
LeaksApt 4 complaint
2025 Dec
LeaksApt 4 complaint
2025 Dec
PlumbingApt 51 complaint
2025 Dec
LeaksApt 51 class C · closed · HPD violation
2025 Dec
PlumbingApt 51 complaint
2025 Nov
LeaksApt 51 complaint
2025 Nov
LeaksApt 51 complaint
2025 Apr
PlumbingApt 51 complaint
2025 Apr
PlumbingApt 51 complaint
2025 Mar
PlumbingApt 52 complaint
2024 Dec
PlumbingApt 22 complaint
2024 Oct
LeaksApt 51 complaint
2024 Aug
PlumbingApt 51 complaint
2024 Jul
LeaksApt 65 class C · closed · HPD violation
2024 Jul
LeaksApt 65 class C · closed · HPD violation
2024 Jul
PlumbingApt 65 class C · closed · HPD violation
2024 Jun
PlumbingApt 51 complaint
2024 May
Plumbing, leaksApt 65 complaint
2024 May
PlumbingApt 65 complaint
2023 Dec
PlumbingApt 25 complaint
2016 Apr
Plumbing permit
2013 Jul
Plumbing permit
Water service line

Unknown - Lead Status Unknown (records)

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

Pests and cleanliness

Issues on record · 14 complaints, 2024–2026 · 10 in the past year

Electrical

1 complaint, 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

Elevators

Older records on file
Elevators

1 active elevator; latest periodic inspection Feb 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 42 (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

98 open: 78 about building conditions — walls, floors and stairs (28), leaks (14), doors and windows (12), lead-based paint (7); 38 immediately hazardous (class C), 20 about paperwork or notices. Also 12 older records from 2004–2015 never closed. 25 further violations from 2024–2025 were closed. 799 violations on record in all, 2003–2026 — the 144 most recent are listed here

2026 Apr
PestsApt 45 class C
2026 Apr
Walls, floors and stairsApt 45 class A
2026 Apr
Walls, floors and stairsApt 45 class B
2026 Apr
Fire safetyApt 45 class C
2026 Apr
Walls, floors and stairsApt 45 class B
2026 Jan
LeaksApt 51 class C
2026 Jan
Walls, floors and stairsApt 51 class B
2026 Jan
LeaksApt 51 class C
Show 42 more
2026 Jan
LeaksApt 51 class B
2026 Jan
Walls, floors and stairsApt 51 class C
2026 Jan
Doors and windowsApt 51 class C
2026 Jan
Heat or hot waterApt 51 class B
2026 Jan
LeaksApt 51 class C
2026 Jan
Walls, floors and stairsApt 51 class B
2026 Jan
LeaksApt 51 class B
2025 Dec
Rubbish and cleanlinessApt 21 class C
2025 Dec
Walls, floors and stairsApt 4 class A
2025 Dec
LeaksApt 4 class C
2025 Dec
LeaksApt 4 class C
2025 Dec
Walls, floors and stairsApt 4 class C
2025 Dec
LeaksApt 4 class C
2025 Dec
LeaksApt 4 class C
2025 Dec
Fire safetyApt 51 class C
2025 Dec
Walls, floors and stairsApt 51 class B
2025 Dec
Walls, floors and stairsApt 51 class B
2025 Dec
Doors and windowsApt 51 class C · closed
2025 Dec
LeaksApt 51 class C · closed
2025 Oct
MoldApt 51 class A · closed
2025 Jan
Lead-based paintApt 3 class B · paperwork · closed
2024 Nov
Doors and windowsApt 7 class C · closed
2024 Nov
Walls, floors and stairsApt 7 class A · closed
2024 Nov
Smoke or CO detectorsApt 7 class B · closed
2024 Nov
Smoke or CO detectorsApt 7 class B · closed
2024 Oct
Doors and windows class C · closed
2024 Oct
PestsApt 51 class C · closed
2024 Oct
Doors and windowsApt 51 class B · closed
2024 Oct
Walls, floors and stairsApt 51 class C · closed
2024 Sep
Other conditionsApt 1 class B · closed
2024 Sep
Walls, floors and stairsApt 1 class C · closed
2024 Sep
Walls, floors and stairsApt 1 class C · closed
2024 Aug
Fire safety class A · closed
2024 Aug
Doors and windows class C · closed
2024 Jul
Doors and windowsApt 65 class B · closed
2024 Jul
Walls, floors and stairsApt 65 class B · closed
2024 Jul
LeaksApt 65 class C · closed
2024 Jul
Doors and windowsApt 65 class C · closed
2024 Jul
LeaksApt 65 class C · closed
2024 Jul
ElectricalApt 65 class C · closed
2024 Jul
PlumbingApt 65 class C · closed
2024 Jul
Walls, floors and stairsApt 65 class B · closed
and 60 more at the source
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

DOB violations

9 open: 2 about building conditions, 5 about filings or paperwork, 2 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

Resident complaints to the city

25 plumbing, 11 leaks, 7 heat or hot water, 7 mold, 6 doors or windows, 6 pests, 5 unsanitary conditions, 4 paint or plaster, 3 floors or stairs, 2 safety, 1 appliances, 1 electrical, 1 general repairs

2026 Oct
Heat or hot waterApt 51
2026 Sep
Plumbing, moldApt 51
2026 Aug
Doors or windows, unsanitary conditions, pestsApt 51
2026 Aug
Plumbing, mold, leaksApt 51
2026 Jul
Paint or plaster, plumbing, moldApt 51
2026 Jun
Unsanitary conditionsApt 5
2026 Jun
PestsApt 5
2026 Jun
LeaksApt 3
Show 51 more
2026 Jun
Paint or plaster, pestsApt 3
2026 Apr
Plumbing, leaksApt 51
2026 Apr
Paint or plaster, mold, pests, leaksApt 45
2026 Mar
Heat or hot water
2026 Mar
Plumbing, moldApt 51
2026 Feb
Doors or windows
2026 Feb
Mold, pests, leaksApt 45
2026 Jan
PlumbingApt 51
2026 Jan
Heat or hot water
2026 Jan
Doors or windows, floors or stairs, plumbingApt 51
2026 Jan
Doors or windows, floors or stairs, plumbing, leaksApt 51
2025 Dec
Electrical, leaksApt 4
2025 Dec
Doors or windows, general repairsApt 51
2025 Dec
LeaksApt 4
2025 Dec
Doors or windows, floors or stairs, plumbingApt 51
2025 Dec
PlumbingApt 51
2025 Nov
Paint or plaster, leaksApt 51
2025 Nov
LeaksApt 51
2025 Oct
Heat or hot waterApt 54
2025 Jun
Unsanitary conditions, pestsApt 3
2025 Apr
PlumbingApt 51
2025 Apr
PlumbingApt 51
2025 Apr
Unsanitary conditions
2025 Mar
Heat or hot water
2025 Mar
Unsanitary conditions
2025 Mar
Heat or hot waterApt 23
2025 Mar
PlumbingApt 52
2024 Dec
Appliances, heat or hot water, plumbingApt 22
2024 Nov
Safety, moldApt 7
2024 Oct
Doors or windows, floors or stairs, general repairs, paint or plaster, mold, leaksApt 51
2024 Aug
Safety
2024 Aug
Unsanitary conditions
2024 Aug
Unsanitary conditions
2024 Aug
PlumbingApt 51
2024 Jun
PlumbingApt 51
2024 May
Doors or windows, general repairs, plumbing, mold, leaksApt 65
2024 May
Appliances, electrical, floors or stairs, paint or plaster, plumbing, pestsApt 65
2024 Mar
Heat or hot water
2024 Mar
Heat or hot waterApt 5
2024 Mar
Safety, unsanitary conditions
2024 Jan
Heat or hot waterApt 3
2024 Jan
Heat or hot waterApt 1
2023 Dec
Heat or hot water
2023 Dec
Heat or hot waterApt 57
2023 Dec
PlumbingApt 25
2023 Nov
PestsApt 3
2023 Nov
Unsanitary conditionsApt 3
2023 Nov
PestsApt 3
2023 Oct
Heat or hot waterApt 32
2023 Oct
Heat or hot waterApt C4
2023 Oct
Unsanitary conditions, pestsApt 3
Housing Maintenance Code Complaints and Problems, as of 2026-10-19 · 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

6 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

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.