403 St Johns Pl

Heat or hot waterApt 1D class C · closed · HPD violation

Heat or hot waterApt 1D complaint

Heat or hot waterApt 3B complaint

Heat or hot waterApt 4F complaint

Heat or hot waterApt 1A class B · closed · HPD violation

2023 Oct

Heat or hot water complaint

Heat source

Boiler burning natural gas (Rockmills MP-60), registration current since Mar 2024

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 Sep 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 2021

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

1 heat or hot water complaint

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

5 complaints, 2024–2026 · 3 in the past year

What has happened here

2026 Sep

PlumbingApt 1F complaint

LeaksApt 1D class C · closed · HPD violation

LeaksApt 1D complaint

LeaksApt 1F complaint

Leaks class A · closed · HPD violation

Show 12 more

LeaksApt 1A complaint

LeaksApt 1A complaint

2024 Apr

PlumbingApt 3B complaint

Plumbing, leaksApt 1A complaint

Plumbing, leaksApt 1A complaint

2021 May

Plumbing permit

Water service line

Non-Lead (records)

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

Pests and cleanliness

Issues on record (2025) · 5 complaints, 2025–2026 · 2 in the past year

What has happened here

MoldApt 1D class A · closed · HPD violation

MoldApt 1D complaint

Unsanitary conditions complaint

PestsApt 3F class C · HPD violation

Pests class C · HPD violation

Rubbish and cleanliness class B · closed · HPD violation

Show 16 more

Unsanitary conditions, pestsApt 3F complaint

2025 Jul

PestsApt 3F complaint

2025 Jul

Unsanitary conditionsApt 3F complaint

Unsanitary conditionsApt 1A complaint

MoldApt 1A class B · HPD violation

MoldApt 1A class B · HPD violation

Mold, pestsApt 1A complaint

Mold, pestsApt 1A complaint

Mold, pestsApt 1A complaint

PestsApt 1A complaint

MoldApt 1A complaint

MoldApt 1A class C · HPD violation

PestsApt 2B class C · HPD violation

MoldApt 1A complaint

2022 Feb

PestsApt 3C class C · HPD violation

2020 Nov

PestsApt 2B class C · HPD violation

Fire and safety

Issues on record, most recently 2025

What has happened here

Fire safetyApt 1D class C · closed · HPD violation

Fire safetyApt 1D class C · closed · HPD violation

Fire safetyApt 3B class C · closed · HPD violation

Fire safety class B · HPD violation

Fire safety class B · HPD violation

Fire safety class A · HPD violation

Show 4 more

2024 Sep

Fire safety class A · HPD violation

Fire safety class A · HPD violation

Fire safety class A · never closed · HPD violation

Fire safety class A · never closed · HPD violation

Electrical

Older records on file

What has happened here

ElectricalApt 1A complaint

Structure and facade

Issues on record, most recently 2025

What has happened here

Doors and windowsApt 3B class B · closed · HPD violation

Walls, floors and stairsApt 1D class B · closed · HPD violation

Walls, floors and stairsApt 1F class B · closed · HPD violation

2025 Oct

Walls, floors and stairsApt 3B class B · closed · HPD violation

Walls, floors and stairsApt 3B class A · closed · HPD violation

Doors and windowsApt 3F class B · closed · HPD violation

Show 12 more

Doors and windowsApt 3B class B · HPD violation

Doors and windowsApt 3B class B · closed · HPD violation

Doors and windowsApt 3B class B · closed · HPD violation

Walls, floors and stairs class A · HPD violation

Walls, floors and stairs class A · closed · HPD violation

Walls, floors and stairs class A · HPD violation

Walls, floors and stairs class A · closed · HPD violation

Walls, floors and stairsApt 1A class B · closed · HPD violation

2024 Oct

Construction class - 2 · DOB violation

Walls, floors and stairsApt 1A class B · closed · HPD violation

Doors and windowsApt 3C class C · HPD violation

Walls, floors and stairs class A · never closed · 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 2026-10-21

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

BasementfoundNo basement

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

Energy

ENERGY STAR score 53 (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

20 open: 20 about building conditions — fire safety (5), pests (5), mold (3), smoke or CO detectors (3); 7 immediately hazardous (class C). Also 3 older records from 2011 never closed. 25 further violations from 2024–2026 were closed. 300 violations on record in all, 2004–2026 — the 208 most recent are listed here

2026 Aug

Smoke or CO detectorsApt 1D class B

Fire safetyApt 1D class C · closed

Heat or hot waterApt 1D class C · closed

Doors and windowsApt 3B class B · closed

Fire safetyApt 1D class C · closed

Walls, floors and stairsApt 1D class B · closed

MoldApt 1D class A · closed

LeaksApt 1D class C · closed

Show 40 more

Walls, floors and stairsApt 1F class B · closed

2025 Oct

Walls, floors and stairsApt 3B class B · closed

Fire safetyApt 3B class C · closed

Walls, floors and stairsApt 3B class A · closed

Doors and windowsApt 3F class B · closed

Smoke or CO detectorsApt 3F class B · closed

Smoke or CO detectorsApt 3F class B · closed

Rubbish and cleanliness class B · closed

Doors and windowsApt 3B class B

Doors and windowsApt 3B class B · closed

Doors and windowsApt 3B class B · closed

Walls, floors and stairs class A

Walls, floors and stairs class A · closed

Walls, floors and stairs class A

Leaks class A · closed

Smoke or CO detectors class A · closed

Smoke or CO detectors class A · closed

Walls, floors and stairs class A · closed

Heat or hot waterApt 1A class B · closed

Walls, floors and stairsApt 1A class B · closed

2024 Sep

Fire safety class A

Walls, floors and stairsApt 1A class B · closed

Doors and windowsApt 3C class C

PestsApt 3C class C

Smoke or CO detectorsApt 3C class B

Smoke or CO detectorsApt 3C class B

2020 Nov

PestsApt 2B class C

Fire safety class A · never closed

Fire safety class A · never closed

Walls, floors and stairs class A · never closed

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

1 open: 1 about building conditions

2024 Oct

Construction class - 2

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

7 paint or plaster, 5 floors or stairs, 4 plumbing, 3 heat or hot water, 3 unsanitary conditions, 2 doors or windows, 2 leaks, 2 pests, 1 mold, 1 safety

2026 Sep

Floors or stairs, paint or plaster, plumbingApt 1F

Heat or hot waterApt 1D

Heat or hot waterApt 3B

Mold, leaksApt 1D

Paint or plaster, leaksApt 1F