Building record from city data · BROOKLYN, NY

875 43 St

Printed 2026-10-21 from blueflo.tech/b/875-43-street-brooklyn, where it is kept current. These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked. Not a warranty. May not be used for tenant screening (terms of use).

Also known as 4220 9 Ave — one building, several doors.

built 1923 · 4 stories · 48 apartments · BIN 3018357 · BBL 3009250042

Worth knowing
19 open immediately hazardous (class C) HPD violations about pests and doors and windows and fire safety and lead-based paint and walls, floors and stairs and heat or hot water
Source: Housing Maintenance Code Violations · as of 2026-10-20
Worth knowing
Clean in the records
Registered with the city

KEREM REALTY LLC

Heat or hot water: 13 reports to the city since 2024
2024Heat or hot water · Oct 2024 · 2 reports (2 complaints)Oct 17, 2024Oct 29, 2024
2025Heat or hot water · Jan 2025 · 2 reports (2 complaints)Jan 14, 2025Jan 22, 2025Heat or hot water · Mar 2025 · 1 report (1 complaint)Mar 23, 2025Heat or hot water · Oct 2025 · 1 report (1 complaint)Oct 29, 2025Heat or hot water · Nov 2025 · 1 report (2 complaints)Nov 9, 2025Nov 11, 2025
2026Heat or hot water · Jan 2026 · 4 reports (4 complaints)Jan 1, 2026Jan 11, 2026Jan 19, 2026Jan 29, 2026Heat or hot water · Mar 2026 · 2 reports (3 complaints)Mar 14, 2026Mar 22, 2026Mar 22, 2026 (2nd)
Source: HPD Complaints and Problems · as of 2026-10-21

Also reported

2024 – 2026

A filled month had a report to HPD; darker means more than one, and the past year is brightest. Tap one to read it. Complaints within a week count as one report. Records list complaints filed, not conditions found.

Apartments named in these records

Apt 2B 2Apt 5D 2Apt 9B 1Apt 9C 16Apt 13B 1Apt B1 3Apt B12 20Apt B7 1Apt B9 5Apt C10 2Apt C3 3Apt C8 2Apt D10 1Apt D2 10Apt D5 1Apt D6 4

16 of this building’s 48 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
What has happened here
2026 Oct
Fire safety class C · HPD violation
2026 Oct
Fire safetyApt D6 class B · HPD violation
2026 Oct
Fire safetyApt D6 class B · HPD violation
2026 Oct
Fire safety class A · HPD violation
2026 May
Fire safety class B · closed · HPD violation
2026 Jan
Fire safetyApt D2 class C · closed · HPD violation
Show 1 more
2025 Oct
Fire safetyApt 9C class C · closed · HPD violation

Structure and facade

Issues on record
What has happened here
2026 Oct
Walls, floors and stairsApt B1 class B · HPD violation
2026 Oct
Doors and windowsApt B1 class C · HPD violation
2026 Oct
Doors and windowsApt C8 class A · HPD violation
2026 Oct
Walls, floors and stairsApt B9 class B · HPD violation
2026 Oct
Doors and windowsApt D2 class A · HPD violation
2026 Sep
Doors and windowsApt B12 class A · HPD violation
Show 16 more
2026 Jul
Doors and windows class B · HPD violation
2026 Jul
Doors and windows class C · HPD violation
2026 Jul
Walls, floors and stairs class A · HPD violation
2026 Jul
Doors and windows class B · closed · HPD violation
2026 Jul
Doors and windows class C · closed · HPD violation
2026 Apr
Walls, floors and stairsApt B12 class B · closed · HPD violation
2026 Apr
Doors and windowsApt B12 class C · closed · HPD violation
2025 Nov
Doors and windows class C · closed · HPD violation
2025 Oct
Walls, floors and stairsApt 9C class A · closed · HPD violation
2025 Oct
Walls, floors and stairsApt 9C class A · closed · HPD violation
2025 Oct
Doors and windowsApt 9C class A · closed · HPD violation
2025 Oct
Walls, floors and stairsApt 9C class B · closed · HPD violation
2025 Oct
Walls, floors and stairsApt 9C class B · closed · HPD violation
2025 Oct
Walls, floors and stairsApt 9C class B · closed · HPD violation
2023 Oct
General construction permit
2009 Mar
General construction permit
  • Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
  • Sidewalk shed and scaffoldingfoundNo active shed permit; permits since Jan 2024, last expired Nov 2024
  • Landmark statusno recordNot in a historic district on record

Heat and hot water

Issues on record · 14 complaints, 2024–2026 · 10 in the past year
What has happened here
2026 Oct
Heat or hot waterApt B9 class A · HPD violation
2026 Mar
Heat or hot water complaint
2026 Mar
Heat or hot waterApt C3 complaint
2026 Mar
Heat or hot water complaint
2026 Jan
Heat or hot water complaint
2026 Jan
Heat or hot water complaint
Show 12 more
2026 Jan
Heat or hot water complaint
2026 Jan
Heat or hot water complaint
2025 Nov
Heat or hot waterApt D5 complaint
2025 Nov
Heat or hot waterApt B7 complaint
2025 Oct
Heat or hot waterApt C3 complaint
2025 Mar
Heat or hot water complaint
2025 Jan
Heat or hot waterApt 13B complaint
2025 Jan
Heat or hot water complaint
2024 Oct
Heat or hot water complaint
2024 Oct
Heat or hot water complaint
2009 Mar
Fuel burning permit, Boiler permit
1992 Oct
Fuel burning permit, Boiler permit
Heat source

Boiler burning natural gas (Eastmond ESP-70), registration current since Aug 2026

Clean Air Tracking System (boiler registrations), as of 2026-10-21 · 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 2026-10-20 · See the boiler filings at DOB →
What this counts

Accepted annual boiler inspection filings, any date

Boiler work permits

Latest boiler work permit 2009 (2 on record)

DOB Permit Issuance (BIS), as of 2026-10-20
What this counts

DOB boiler permits (BIS and DOB NOW); a permit dates work, not the boiler's age

Heat and hot water complaints

10 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)

Water and pipes

Issues on record · 7 complaints, 2024–2026 · 3 in the past year
What has happened here
2026 Oct
LeaksApt B9 class B · HPD violation
2026 Oct
PlumbingApt D2 class B · HPD violation
2026 Oct
LeaksApt D2 class B · HPD violation
2026 Sep
PlumbingApt 2B complaint
2026 Apr
PlumbingApt B12 class B · closed · HPD violation
2026 Apr
PlumbingApt B12 complaint
Show 10 more
2026 Mar
PlumbingApt B12 complaint
2026 Feb
Leaks class C · closed · HPD violation
2026 Jan
LeaksApt D2 class B · closed · HPD violation
2025 Oct
LeaksApt 9C class B · closed · HPD violation
2025 Oct
PlumbingApt 9C complaint
2025 May
PlumbingApt B9 complaint
2025 Mar
PlumbingApt B12 complaint
2024 Nov
PlumbingApt 5D complaint
2023 Nov
PlumbingApt C3 complaint
2009 Mar
Plumbing permit
Water service line

Unknown - Lead Status Unknown (not verified)

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

Pests and cleanliness

Issues on record · 5 complaints, 2024–2026 · 3 in the past year
What has happened here
2026 Oct
PestsApt D2 class C · HPD violation
2026 Oct
PestsApt D2 class C · HPD violation
2026 Jul
Rubbish and cleanliness class B · closed · HPD violation
2026 Jul
Unsanitary conditions complaint
2026 Apr
Unsanitary conditions complaint
2026 Mar
Unsanitary conditions complaint
Show 5 more
2025 Oct
PestsApt 9C class C · closed · HPD violation
2025 Oct
MoldApt 9C class A · closed · HPD violation
2025 Oct
MoldApt 9C class A · closed · HPD violation
2025 Oct
MoldApt 9C complaint
2024 Nov
PestsApt 5D complaint

Electrical

2 complaints, 2025 · 1 in the past year
What has happened here
2026 Jan
ElectricalApt D2 class B · closed · HPD violation
2025 Dec
ElectricalApt D10 complaint
2025 Mar
ElectricalApt B12 complaint

Flooding

No issues on record
FEMA flood zone

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

FEMA National Flood Hazard Layer, as of 2026-10-21
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

Rent and tenancy

On the state list
Rent stabilizationWhole tax lot

On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations); listed for this tax lot (1 addresses), not under this building's address

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

Gas

What has happened here
2026 Oct
GasApt B1 class B · HPD violation
  • Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published

Energy

Energy

ENERGY STAR score 36 (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

93 open: 92 about building conditions — walls, floors and stairs (19), doors and windows (14), smoke or CO detectors (12), fire safety (9); 19 immediately hazardous (class C), 1 about paperwork or notices. 25 further violations from 2025–2026 were closed. 335 violations on record in all, 2013–2026 — the 186 most recent are listed here

2026 Oct
Fire safety class C
2026 Oct
Smoke or CO detectorsApt D6 class B
2026 Oct
Smoke or CO detectorsApt D6 class B
2026 Oct
Fire safetyApt D6 class B
2026 Oct
Fire safetyApt D6 class B
2026 Oct
GasApt B1 class B
2026 Oct
Walls, floors and stairsApt B1 class B
2026 Oct
Doors and windowsApt B1 class C
Show 42 more
2026 Oct
Doors and windowsApt C8 class A
2026 Oct
Heat or hot waterApt B9 class A
2026 Oct
LeaksApt B9 class B
2026 Oct
Walls, floors and stairsApt B9 class B
2026 Oct
Fire safety class A
2026 Oct
Doors and windowsApt D2 class A
2026 Oct
PlumbingApt D2 class B
2026 Oct
LeaksApt D2 class B
2026 Oct
Smoke or CO detectorsApt D2 class B
2026 Oct
Smoke or CO detectorsApt D2 class B
2026 Oct
PestsApt D2 class C
2026 Oct
PestsApt D2 class C
2026 Sep
Doors and windowsApt B12 class A
2026 Jul
Doors and windows class B
2026 Jul
Doors and windows class C
2026 Jul
Other conditions class A
2026 Jul
Walls, floors and stairs class A
2026 Jul
Doors and windows class B · closed
2026 Jul
Doors and windows class C · closed
2026 Jul
Other conditions class B · closed
2026 Jul
Rubbish and cleanliness class B · closed
2026 May
Fire safety class B · closed
2026 Apr
Walls, floors and stairsApt B12 class B · closed
2026 Apr
Doors and windowsApt B12 class C · closed
2026 Apr
PlumbingApt B12 class B · closed
2026 Feb
Leaks class C · closed
2026 Jan
LeaksApt D2 class B · closed
2026 Jan
Fire safetyApt D2 class C · closed
2026 Jan
ElectricalApt D2 class B · closed
2025 Nov
Doors and windows class C · closed
2025 Oct
PestsApt 9C class C · closed
2025 Oct
Fire safetyApt 9C class C · closed
2025 Oct
Walls, floors and stairsApt 9C class A · closed
2025 Oct
Walls, floors and stairsApt 9C class A · closed
2025 Oct
MoldApt 9C class A · closed
2025 Oct
Doors and windowsApt 9C class A · closed
2025 Oct
MoldApt 9C class A · closed
2025 Oct
Walls, floors and stairsApt 9C class B · closed
2025 Oct
Other conditionsApt 9C class B · closed
2025 Oct
Walls, floors and stairsApt 9C class B · closed
2025 Oct
Walls, floors and stairsApt 9C class B · closed
2025 Oct
LeaksApt 9C class B · closed
and 43 more at the source
Housing Maintenance Code Violations, as of 2026-10-20 · 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

6 open: 6 about filings or paperwork

2026 Oct
EN-LL97321 GHG Emissions - LL97
2026 Jun
EN-LL97321 GHG Emissions - LL97
2021 Dec
Failure To Post Energy Grade/Score
2021 Apr
Failure To Post Energy Grade/Score
2020 Aug
Failure To Benchmark
2020 May
Failure To Benchmark
DOB Violations, as of 2026-10-20 · 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

14 heat or hot water, 8 plumbing, 5 floors or stairs, 4 doors or windows, 3 general repairs, 3 paint or plaster, 3 unsanitary conditions, 2 appliances, 2 electrical, 1 mold, 1 pests

2026 Oct
Doors or windowsApt B12
2026 Sep
Doors or windows, paint or plasterApt B12
2026 Sep
Appliances, plumbingApt 2B
2026 Jul
Doors or windowsApt B12
2026 Jul
Unsanitary conditions
2026 Jun
Floors or stairs, general repairsApt B12
2026 May
Floors or stairs, general repairsApt B12
2026 Apr
Unsanitary conditions
Show 29 more
2026 Apr
Floors or stairs, plumbingApt B12
2026 Apr
Floors or stairsApt B12
2026 Mar
PlumbingApt B12
2026 Mar
Heat or hot water
2026 Mar
Heat or hot waterApt C3
2026 Mar
Heat or hot water
2026 Mar
Unsanitary conditions
2026 Jan
Heat or hot water
2026 Jan
Heat or hot water
2026 Jan
Heat or hot water
2026 Jan
Heat or hot water
2025 Dec
ElectricalApt D10
2025 Nov
Heat or hot waterApt D5
2025 Nov
Heat or hot waterApt B7
2025 Oct
Heat or hot waterApt C3
2025 Oct
Paint or plaster, plumbing, moldApt 9C
2025 Jul
Appliances, paint or plasterApt C10
2025 May
PlumbingApt B9
2025 Mar
Heat or hot water
2025 Mar
Electrical, floors or stairs, general repairs, plumbingApt B12
2025 Feb
Doors or windowsApt C8
2025 Jan
Heat or hot waterApt 13B
2025 Jan
Heat or hot water
2024 Nov
Plumbing, pestsApt 5D
2024 Oct
Heat or hot water
2024 Oct
Heat or hot water
2024 May
Paint or plasterApt 9B
2024 Jan
Paint or plasterApt B9
2023 Nov
PlumbingApt C3
Housing Maintenance Code Complaints and Problems, as of 2026-10-20 · 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

8 permits since 1990

2023 Oct
General construction permit
2023 Aug
Supported scaffold permit
2009 Mar
Plumbing permit, General construction permit, Fuel burning permit, Boiler permit
1992 Oct
Fuel burning permit, Boiler permit
and 4 more at the source
DOB NOW: Build – Approved Permits, as of 2026-10-20 · 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 Oct
Doors or windowsApt B12 complaint
2026 Oct
Smoke or CO detectorsApt D6 class B · HPD violation
2026 Oct
Smoke or CO detectorsApt D6 class B · HPD violation
2026 Oct
Smoke or CO detectorsApt D2 class B · HPD violation
2026 Oct
Smoke or CO detectorsApt D2 class B · HPD violation
2026 Oct
EN-LL97321 GHG Emissions - LL97 DOB violation
Show 22 more
2026 Sep
Doors or windows, paint or plasterApt B12 complaint
2026 Sep
AppliancesApt 2B complaint
2026 Jul
Other conditions class A · HPD violation
2026 Jul
Other conditions class B · closed · HPD violation
2026 Jul
Doors or windowsApt B12 complaint
2026 Jun
EN-LL97321 GHG Emissions - LL97 DOB violation
2026 Jun
Floors or stairs, general repairsApt B12 complaint
2026 May
Floors or stairs, general repairsApt B12 complaint
2026 Apr
Floors or stairsApt B12 complaint
2026 Apr
Floors or stairsApt B12 complaint
2025 Oct
Other conditionsApt 9C class B · closed · HPD violation
2025 Oct
Paint or plasterApt 9C complaint
2025 Jul
Appliances, paint or plasterApt C10 complaint
2025 Mar
Floors or stairs, general repairsApt B12 complaint
2025 Feb
Doors or windowsApt C8 complaint
2024 May
Paint or plasterApt 9B complaint
2024 Jan
Paint or plasterApt B9 complaint
2023 Aug
Supported scaffold permit
2021 Dec
Failure To Post Energy Grade/Score DOB violation
2021 Apr
Failure To Post Energy Grade/Score DOB violation
2020 Aug
Failure To Benchmark DOB violation
2020 May
Failure To Benchmark DOB violation

Nothing on record

ElevatorsNot applicable
  • Elevatorsnot requiredNo elevators registered to this building

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.