Building health · MANHATTAN, NY

400 Convent Ave

built 1910 · 6 stories · 39 apartments

Apartments named in these records

Apt 1 4Apt 1B 5Apt 4A 1Apt 6 2Apt 24 12Apt 34 1Apt 42 1Apt 64 1Apt 65 3

9 of this building’s 39 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) · 4 complaints, 2025–2026
What has happened here
2026 Mar
Heat or hot waterApt 6 complaint
2026 Jan
Heat or hot waterApt 6 complaint
2025 Nov
Heat or hot waterApt 42 complaint
2025 Nov
Heat or hot waterApt 4A complaint
2024 Oct
Heat or hot water complaint
2023 Nov
BE-EXT-LP Boiler DOB violation
Show 4 more
2023 Jun
Low Pressure Boiler DOB violation
2023 Jun
Low Pressure Boiler DOB violation
2023 Jun
Low Pressure Boiler DOB violation
2020 Mar
Heat or hot waterApt 24 class B · HPD violation
Heat source

Boiler burning No. 2 oil (Federal FST-100), registration current since Feb 2025

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 Feb 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

Heat and hot water complaints

4 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)

  • Boiler work permitsno recordNo boiler work permits on record

Water and pipes

Older records on file
What has happened here
2021 Apr
LeaksApt 1B class B · HPD violation
2020 Mar
LeaksApt 1 class B · HPD violation
2020 Mar
LeaksApt 1 class B · HPD violation
2016 Feb
Plumbing permit
Water service line

Non-Lead (records)

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

Pests and cleanliness

Older records on file
What has happened here
2020 Mar
PestsApt 24 class C · HPD violation
2020 Mar
PestsApt 24 class C · HPD violation

Structure and facade

Issues on record, most recently 2023
What has happened here
2025 Mar
General construction permit
2024 Dec
General construction permit
2023 Sep
Walls, floors and stairsApt 24 class C · HPD violation
2023 Jun
Doors and windowsApt 65 class A · HPD violation
2023 Jun
Walls, floors and stairsApt 65 class A · HPD violation
2023 Mar
Hazardous Condition (Facade) DOB violation
Show 19 more
2021 Sep
Walls, floors and stairsApt 24 class B · HPD violation
2021 Aug
Walls, floors and stairsApt 1B class C · HPD violation
2021 Jun
Walls, floors and stairsApt 64 class B · HPD violation
2021 Apr
Walls, floors and stairsApt 1B class B · HPD violation
2021 Apr
Walls, floors and stairsApt 1B class B · HPD violation
2020 Oct
Construction class - 2 · DOB violation
2020 Mar
Walls, floors and stairsApt 24 class B · HPD violation
2020 Mar
Walls, floors and stairsApt 24 class B · HPD violation
2020 Mar
Walls, floors and stairsApt 1 class A · HPD violation
2020 Mar
Walls, floors and stairsApt 1 class A · HPD violation
2019 Oct
Construction class - 2 · DOB violation
2019 Oct
Construction class - 2 · DOB violation
2019 Jul
Walls, floors and stairsApt 34 class A · HPD violation
2019 Apr
No Report And / Or Late Filing (Facade) DOB violation
2016 Dec
Scaffold permit
2016 Jun
General construction permit
2016 May
General construction permit
2015 Feb
Scaffold permit
1997 Aug
General construction permit
Facade rating

Safe (cycle 9, filed Dec 2025)

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 Hamilton Heights / Sugar Hill Historic District

PLUTO (tax lot data), as of 2026-08-24
  • Sidewalk shed and scaffoldingfoundNo active shed permit; permits since Dec 2016, last expired May 2026

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

Above grade

PLUTO (tax lot data), as of 2026-08-24

Elevators

Issues on record, most recently 2023
What has happened here
2023 Oct
VT-CAT1-CO Elevators DOB violation
2023 Oct
VT-CAT1-CO Elevators DOB violation
2023 Oct
VT-CAT1-CO Elevators DOB violation
2023 Aug
VT-PER-CO Elevators DOB violation
2023 Aug
VT-CAT1-CO Elevators DOB violation
2019 Sep
(Other Bldgs Types) - Elevator Affirmation Of Correction DOB violation
Elevators

1 active elevator; latest periodic inspection Jul 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

Energy

ENERGY STAR score 76 (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

101 open: 100 about building conditions — walls, floors and stairs (56), smoke or CO detectors (9), heat or hot water (7), leaks (7); 10 immediately hazardous (class C), 1 about paperwork or notices. Also 59 older records from 1983–2015 never closed. 440 violations on record in all, 1983–2023 — the 160 most recent are listed here

2023 Sep
Smoke or CO detectorsApt 24 class B
2023 Sep
Walls, floors and stairsApt 24 class C
2023 Jun
Doors and windowsApt 65 class A
2023 Jun
Walls, floors and stairsApt 65 class A
2021 Sep
Smoke or CO detectorsApt 24 class B
2021 Sep
Smoke or CO detectorsApt 24 class B
2021 Sep
Walls, floors and stairsApt 24 class B
2021 Aug
Walls, floors and stairsApt 1B class C
Show 17 more
2021 Jun
Walls, floors and stairsApt 64 class B
2021 Apr
Other conditionsApt 1B class B
2021 Apr
Walls, floors and stairsApt 1B class B
2021 Apr
Walls, floors and stairsApt 1B class B
2021 Apr
LeaksApt 1B class B
2020 Mar
Walls, floors and stairsApt 24 class B
2020 Mar
PestsApt 24 class C
2020 Mar
PestsApt 24 class C
2020 Mar
Smoke or CO detectorsApt 24 class B
2020 Mar
Smoke or CO detectorsApt 24 class B
2020 Mar
Walls, floors and stairsApt 24 class B
2020 Mar
Heat or hot waterApt 24 class B
2020 Mar
LeaksApt 1 class B
2020 Mar
Walls, floors and stairsApt 1 class A
2020 Mar
Walls, floors and stairsApt 1 class A
2020 Mar
LeaksApt 1 class B
2019 Jul
Walls, floors and stairsApt 34 class A
and 135 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

Resident complaints to the city

4 heat or hot water, 1 floors or stairs

2026 Mar
Heat or hot waterApt 6
2026 Jan
Heat or hot waterApt 6
2025 Nov
Heat or hot waterApt 42
2025 Nov
Heat or hot waterApt 4A
2024 Oct
Floors or stairsApt 65
2024 Oct
Heat or hot water
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

12 permits since 1990

2026 Feb
Suspended scaffold permit
2025 Mar
General construction permit
2024 Dec
General construction permit
2024 Aug
Suspended scaffold permit
2016 Dec
Scaffold permit
2016 Jun
General construction permit
2016 May
General construction permit, Plumbing permit
2015 Feb
Scaffold permit
Show 1 more
1997 Aug
General construction permit
and 3 more at the source
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

Everything else on record
2026 Feb
Suspended scaffold permit
2024 Oct
Floors or stairsApt 65 complaint
2024 Aug
Suspended scaffold permit
2023 Sep
Smoke or CO detectorsApt 24 class B · HPD violation
2022 Oct
Local Law class - 2 · DOB violation
2021 Dec
Failure To Post Energy Grade/Score DOB violation
Show 13 more
2021 Sep
Smoke or CO detectorsApt 24 class B · HPD violation
2021 Sep
Smoke or CO detectorsApt 24 class B · HPD violation
2021 Jun
Failure To Benchmark DOB violation
2021 Apr
Failure To Post Energy Grade/Score DOB violation
2021 Apr
Other conditionsApt 1B class B · HPD violation
2021 Feb
Failure To Benchmark DOB violation
2020 Nov
Failure To Benchmark DOB violation
2020 Aug
Failure To Benchmark DOB violation
2020 May
Failure To Benchmark DOB violation
2020 Mar
Smoke or CO detectorsApt 24 class B · HPD violation
2020 Mar
Smoke or CO detectorsApt 24 class B · HPD violation
2020 Feb
Local Law class - 2 · DOB violation
2019 May
Failure To Benchmark DOB violation

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

FEMA

NYC DCP

NYC DEP

NYC DEP / Mayor's Office

NYC DOB

NYC DOB / Mayor's Office

NYC HPD

NYC OTI

NYC Rent Guidelines Board / NYS HCR

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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