846 Prospect Pl

Fire safety class C · HPD violation

Lead-based paintApt 8 class C · closed · HPD violation

Lead-based paintApt 8 class C · closed · HPD violation

2024 Nov

Fire safety class C · closed · HPD violation

Fire safety class C · closed · HPD violation

Structure and facade

Issues on record

What has happened here

Walls, floors and stairsApt 6 class C · HPD violation

Walls, floors and stairsApt 6 class B · HPD violation

Walls, floors and stairsApt 6 class B · HPD violation

Walls, floors and stairsApt 6 class B · HPD violation

Walls, floors and stairs class A · HPD violation

Walls, floors and stairsApt 1 class B · HPD violation

Show 21 more

Walls, floors and stairsApt 1 class B · HPD violation

Doors and windowsApt 1 class C · HPD violation

Doors and windowsApt 11 class B · HPD violation

Walls, floors and stairsApt 11 class B · HPD violation

Walls, floors and stairsApt 11 class B · HPD violation

Walls, floors and stairsApt 6 class A · HPD violation

Construction class - 1 · DOB violation

Doors and windowsApt 11 class C · closed · HPD violation

Walls, floors and stairsApt 1 class C · closed · HPD violation

Doors and windowsApt 8 class C · closed · HPD violation

Doors and windowsApt 8 class C · closed · HPD violation

Doors and windows class C · closed · HPD violation

Walls, floors and stairsApt 12 class C · closed · HPD violation

Walls, floors and stairsApt 12 class C · closed · HPD violation

Walls, floors and stairsApt 12 class C · closed · HPD violation

Walls, floors and stairsApt 12 class C · closed · HPD violation

2022 Feb

Construction class - 1 · DOB violation

2021 Sep

2021 Sep

2018 Sep

2012 Nov

Landmark statusWhole tax lot

In the Crown Heights North II 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 · 29 complaints, 2024–2026 · 17 in the past year

What has happened here

2026 Aug

Heat or hot waterApt 11 class B · HPD violation

Heat or hot waterApt 19 complaint

Show 64 more

Heat or hot waterApt 8 class C · closed · HPD violation

Heat or hot water complaint

Heat or hot water complaint

2026 Jan

2026 Jan

2026 Jan

2025 Nov

Heat or hot waterApt 9 complaint

2025 May

2025 May

Heat or hot waterApt 9 complaint

Heat or hot waterApt 9 complaint

Heat or hot waterApt 8 class C · closed · HPD violation

Heat or hot waterApt 1 complaint

Heat or hot waterApt 8 class C · closed · HPD violation

Heat or hot water complaint

2024 Nov

Heat or hot waterApt 5 complaint

Heat or hot waterApt 5 complaint

2024 Aug

2024 Aug

2024 Aug

Heat or hot waterApt 12 class C · closed · HPD violation

2024 Apr

Boilers class - 2 · DOB violation

2024 Jan

2024 Jan

2023 Dec

2023 Dec

Heat or hot waterApt 20 complaint

2023 Jun

2023 Jun

2023 Apr

Boilers class - 3 · DOB violation

2023 Mar

2019 Nov

Fuel burning permit, Boiler permit

2004 Dec

Boiler inspection filings

Latest accepted inspection Mar 2025, 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 2004

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

15 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 · 22 complaints, 2024–2026 · 13 in the past year

What has happened here

PlumbingApt 6 class C · HPD violation

LeaksApt 6 class C · HPD violation

LeaksApt 11 complaint

LeaksApt 6 complaint

Show 43 more

LeaksApt 5 class B · HPD violation

LeaksApt 11 class C · HPD violation

LeaksApt 6 class C · HPD violation

LeaksApt 6 class C · HPD violation

PlumbingApt 6 class C · HPD violation

PlumbingApt 6 complaint

PlumbingApt 2 complaint

LeaksApt 6 complaint

PlumbingApt 11 complaint

PlumbingApt 19 complaint

2026 Apr

LeaksApt 5 complaint

PlumbingApt 11 complaint

LeaksApt 5 complaint

LeaksApt 11 complaint

PlumbingApt 12 complaint

LeaksApt 11 complaint

PlumbingApt 11 complaint

PlumbingApt 5 complaint

PlumbingApt 8 complaint

PlumbingApt 13 complaint

PlumbingApt 8 class C · closed · HPD violation

PlumbingApt 13 complaint

LeaksApt 7 complaint

PlumbingApt 3 complaint

PlumbingApt 18 complaint

PlumbingApt 10 complaint

PlumbingApt 3 complaint

LeaksApt 12 class C · closed · HPD violation

LeaksApt 12 class C · closed · HPD violation

PlumbingApt 12 class C · closed · HPD violation

2024 Apr

LeaksApt 16 complaint

2024 Jan

2023 Dec

LeaksApt 16 complaint

LeaksApt 13 complaint

LeaksApt 13 complaint

2023 Oct

LeaksApt 16 complaint

Water service line

Non-Lead (records)

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

Pests and cleanliness

Issues on record · 26 complaints, 2024–2026 · 11 in the past year

What has happened here

PestsApt 1 class C · HPD violation

PestsApt 8 class C · HPD violation

MoldApt 6 class B · HPD violation

MoldApt 6 class A · closed · HPD violation

Show 37 more

Mold, pestsApt 6 complaint

MoldApt 11 class A · closed · HPD violation

Mold, pestsApt 11 complaint

PestsApt 13 complaint

2025 Dec

PestsApt 13 complaint

MoldApt 12 complaint

PestsApt 19 complaint

PestsApt 12 complaint

PestsApt 12 complaint

Pests class A · paperwork · closed · HPD violation

Mold, pestsApt 5 complaint

Mold class A · closed · HPD violation

Mold complaint

Mold, pestsApt 11 complaint

Mold, pestsApt 12 complaint

Unsanitary conditionsApt 10 complaint

PestsApt 12 complaint

MoldApt 12 complaint

2024 Mar

PestsApt 8 complaint

PestsApt 13 complaint

2023 Oct

PestsApt 16 complaint

Electrical

Issues on record · 4 complaints, 2025–2026 · 2 in the past year

What has happened here

ElectricalApt 6 class B · HPD violation

ElectricalApt 6 complaint

ElectricalApt 11 complaint

ElectricalApt 11 complaint

ElectricalApt 11 complaint

ElectricalApt 5 complaint

Show 2 more

ElectricalApt 12 complaint

ElectricalApt 4 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

Gas

What has happened here

2025 Oct

PL-PER Gas Piping - LL152 DOB violation

Gas piping

Open violation for not filing the periodic gas piping inspection (2025)

DOB Safety Violations, as of 2026-10-20

What this counts

Paperwork violation: the filing is missing, which is not a finding about the pipes

Energy

ENERGY STAR score 71 (2023 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

408 open: 408 about building conditions — walls, floors and stairs (131), heat or hot water (48), pests (39), doors and windows (34); 130 immediately hazardous (class C). Also 5 older records from 1994–2016 never closed. 25 further violations from 2024–2026 were closed. 826 violations on record in all, 1994–2026 — the 456 most recent are listed here

PlumbingApt 6 class C

Walls, floors and stairsApt 6 class C

Walls, floors and stairsApt 6 class B

Walls, floors and stairsApt 6 class B

Walls, floors and stairsApt 6 class B

ElectricalApt 6 class B

LeaksApt 6 class C

Walls, floors and stairs class A

Show 42 more

Walls, floors and stairsApt 1 class B

Walls, floors and stairsApt 1 class B

Doors and windowsApt 1 class C

Doors and windowsApt 11 class B

Walls, floors and stairsApt 11 class B

Heat or hot waterApt 11 class B

Walls, floors and stairsApt 11 class B

Walls, floors and stairsApt 6 class A

PlumbingApt 6 class C

MoldApt 6 class A · closed

MoldApt 11 class A · closed

Heat or hot waterApt 8 class C · closed

Pests class A · paperwork · closed

Mold class A · closed

Doors and windowsApt 11 class C · closed

Lead-based paintApt 8 class C · closed

Lead-based paintApt 8 class C · closed

Heat or hot waterApt 8 class C · closed

Walls, floors and stairsApt 1 class C · closed

Heat or hot waterApt 8 class C · closed

Doors and windowsApt 8 class C · closed

Doors and windowsApt 8 class C · closed

Doors and windows class C · closed

2024 Nov

Fire safety class C · closed

PlumbingApt 8 class C · closed

Fire safety class C · closed

LeaksApt 12 class C · closed

Heat or hot waterApt 12 class C · closed

LeaksApt 12 class C · closed

PlumbingApt 12 class C · closed

and 363 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

30 open: 12 about building conditions, 16 about filings or paperwork, 2 older than 10 years

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

30 heat or hot water, 13 mold, 13 pests, 13 plumbing, 12 leaks, 12 paint or plaster, 9 doors or windows, 5 appliances, 5 floors or stairs, 4 electrical, 4 general repairs, 4 unsanitary conditions, 2 safety

Heat or hot waterApt 11

LeaksApt 11