Building health · BROOKLYN, NY

724 40 St

built 1922 · 4 stories · 8 apartments
Registered with the city: 724 40TH ST LLC; 724 40TH ST. LLC

Apartments named in these records

5 of this building’s 8 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 · 3 in the past year
Boiler inspection filings

Latest accepted inspection Nov 2025, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-19 · See the boiler filings at DOB →
What this counts

Accepted annual boiler inspection filings, any date

Boiler work permits

Latest boiler work permit 2001

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

3 heat or hot water complaints

Housing Maintenance Code Complaints and Problems, as of 2026-10-20 · 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

Water and pipes

Issues on record (2025) · 1 complaint, 2024
Water service line

Non-Lead (field inspection)

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

Pests and cleanliness

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

Fire and safety

Issues on record, most recently 2025

Structure and facade

Issues on record, most recently 2025
What has happened here
2026 Feb
Doors and windowsApt 3B class C · closed · HPD violation
2026 Feb
Doors and windowsApt 3B class C · closed · HPD violation
2026 Feb
Doors and windowsApt 3B class C · closed · HPD violation
2025 Jul
Walls, floors and stairs class B · closed · HPD violation
2025 Jul
Walls, floors and stairs class B · closed · HPD violation
2025 Jul
Doors and windows class B · closed · HPD violation
Show 21 more
2025 Jul
Doors and windowsApt 4A class C · closed · HPD violation
2025 Jul
Walls, floors and stairsApt 4A class B · closed · HPD violation
2025 Jul
Doors and windowsApt 4A class C · closed · HPD violation
2025 Jul
Walls, floors and stairsApt 4A class A · closed · HPD violation
2025 Jul
Doors and windows class C · closed · HPD violation
2025 Jun
Walls, floors and stairs class B · closed · HPD violation
2025 Jun
Doors and windows class B · closed · HPD violation
2025 Jan
Walls, floors and stairsApt 1B class B · HPD violation
2025 Jan
Doors and windowsApt 1B class B · HPD violation
2025 Jan
Walls, floors and stairsApt 1B class B · HPD violation
2025 Jan
Doors and windowsApt 1B class B · HPD violation
2025 Jan
Doors and windows class B · HPD violation
2025 Jan
Walls, floors and stairs class C · HPD violation
2025 Jan
Doors and windowsApt 3A class B · HPD violation
2025 Jan
Doors and windowsApt 3A class B · HPD violation
2025 Jan
Walls, floors and stairsApt 4A class A · HPD violation
2025 Jan
Walls, floors and stairsApt 4A class A · HPD violation
2025 Jan
Walls, floors and stairsApt 4A class B · HPD violation
2025 Jan
Walls, floors and stairsApt 4A class B · HPD violation
2024 Oct
Walls, floors and stairsApt 1B class B · HPD violation
2024 Oct
Walls, floors and stairsApt 1B class B · HPD violation
  • Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
  • Sidewalk shed and scaffoldingno recordNo sidewalk shed permits on record
  • Landmark statusno recordNot in a historic district on record

Flooding

No issues on record
FEMA flood zone

Outside FEMA's 1% annual-chance flood zone: X

FEMA National Flood Hazard Layer, as of 2026-10-20
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

28 open: 27 about building conditions — walls, floors and stairs (9), doors and windows (6), lead-based paint (5), smoke or CO detectors (3); 7 immediately hazardous (class C), 1 about paperwork or notices. Also 13 older records from 1998–1999 never closed. 25 further violations from 2025–2026 were closed. 106 violations on record in all, 1998–2026 — the 100 most recent are listed here

2026 May
Pests class A · paperwork · closed
2026 Feb
Heat or hot water class C · paperwork · closed
2026 Feb
Doors and windowsApt 3B class C · closed
2026 Feb
Other conditionsApt 3B class B · closed
2026 Feb
Doors and windowsApt 3B class C · closed
2026 Feb
PestsApt 3B class C · closed
2026 Feb
PestsApt 3B class C · closed
2026 Feb
Smoke or CO detectorsApt 3B class B · closed
Show 42 more
2026 Feb
Smoke or CO detectorsApt 3B class B · closed
2026 Feb
Doors and windowsApt 3B class C · closed
2025 Jul
Other conditions class B · closed
2025 Jul
Walls, floors and stairs class B · closed
2025 Jul
Walls, floors and stairs class B · closed
2025 Jul
Fire safety class C · closed
2025 Jul
Doors and windows class B · closed
2025 Jul
MoldApt 4A class B
2025 Jul
Doors and windowsApt 4A class C · closed
2025 Jul
Walls, floors and stairsApt 4A class B · closed
2025 Jul
Doors and windowsApt 4A class C · closed
2025 Jul
Walls, floors and stairsApt 4A class A · closed
2025 Jul
Smoke or CO detectorsApt 4A class B · closed
2025 Jul
Smoke or CO detectorsApt 4A class B · closed
2025 Jul
Doors and windows class C · closed
2025 Jul
Fire safety class C · closed
2025 Jun
Walls, floors and stairs class B · closed
2025 Jun
Doors and windows class B · closed
2025 Jan
Lead-based paintApt 1B class C · paperwork
2025 Jan
Lead-based paintApt 1B class C
2025 Jan
Lead-based paintApt 1B class C
2025 Jan
Lead-based paintApt 1B class C
2025 Jan
Lead-based paintApt 1B class C
2025 Jan
Lead-based paintApt 1B class C
2025 Jan
Fire safety class C
2025 Jan
Walls, floors and stairsApt 1B class B
2025 Jan
Doors and windowsApt 1B class B
2025 Jan
Walls, floors and stairsApt 1B class B
2025 Jan
Doors and windowsApt 1B class B
2025 Jan
Smoke or CO detectorsApt 1B class B
2025 Jan
Doors and windows class B
2025 Jan
Walls, floors and stairs class C
2025 Jan
Doors and windowsApt 3A class B
2025 Jan
Doors and windowsApt 3A class B
2025 Jan
Walls, floors and stairsApt 4A class A
2025 Jan
Walls, floors and stairsApt 4A class A
2025 Jan
Walls, floors and stairsApt 4A class B
2025 Jan
Walls, floors and stairsApt 4A class B
2025 Jan
Fire safetyApt 4A class B
2025 Jan
PlumbingApt 4A class B
2024 Oct
Walls, floors and stairsApt 1B class B
2024 Oct
Walls, floors and stairsApt 1B class B
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

5 open: 4 about building conditions, 1 about filings or paperwork

DOB Violations, as of 2026-10-19 · 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

Permit history

2 permits since 1990

DOB NOW: Build – Approved Permits, as of 2026-10-19 · 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
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.

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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