335 Lefferts Ave

Fire safety class B · HPD violation

Fire safety class B · HPD violation

Lead-based paintApt C4 class C · closed · HPD violation

Lead-based paintApt C4 class C · closed · HPD violation

Fire safety class B · closed · HPD violation

Fire safetyApt D9 class C · HPD violation

Structure and facade

Issues on record

What has happened here

Walls, floors and stairs class B · HPD violation

Doors and windowsApt C4 class A · HPD violation

Doors and windowsApt C4 class A · HPD violation

Walls, floors and stairsApt C4 class A · closed · HPD violation

Doors and windowsApt C4 class A · closed · HPD violation

Walls, floors and stairsApt C4 class B · closed · HPD violation

Show 20 more

Doors and windowsApt C4 class A · closed · HPD violation

Walls, floors and stairsApt C4 class B · closed · HPD violation

Walls, floors and stairsApt A8 class B · closed · HPD violation

Walls, floors and stairsApt A8 class B · closed · HPD violation

Walls, floors and stairs class A · HPD violation

Walls, floors and stairsApt B5 class C · HPD violation

Walls, floors and stairsApt B5 class B · closed · HPD violation

2024 Apr

Walls, floors and stairsApt C11 class A · HPD violation

Walls, floors and stairsApt C11 class A · HPD violation

2021 Sep

Construction class - 2 · DOB violation

2020 Dec

Construction class - 2 · DOB violation

2020 Dec

2020 Sep

2020 Jan

2019 Dec

2019 Oct

2019 Jul

2019 Jul

General construction permit

1999 Nov

1993 Jul

General construction permit

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

Heat and hot water

Issues on record (2024) · 17 complaints, 2024–2026 · 2 in the past year

What has happened here

Heat or hot waterApt C11 complaint

2025 Mar

Heat or hot waterApt E3 complaint

2025 Feb

Heat or hot waterApt 13 complaint

Show 42 more

Heat or hot waterApt A2 complaint

Heat or hot waterApt D5 complaint

Heat or hot waterApt D6 complaint

Heat or hot water class B · closed · HPD violation

Heat or hot waterApt D3 complaint

Heat or hot waterApt D5 complaint

Heat or hot water class C · HPD violation

Heat or hot waterApt C2 class C · HPD violation

Heat or hot waterApt 13 complaint

2024 Apr

2024 Apr

Heat or hot waterApt C11 complaint

Heat or hot waterApt E31 complaint

Heat or hot waterApt B5 complaint

Heat or hot waterApt 3 complaint

Heat or hot waterApt B5 complaint

2013 Jun

Fuel burning permit

1995 May

Fuel storage permit, Fuel burning permit, Boiler permit

Heat source

Boiler burning natural gas (H.B. Smith 28A-S/W-8), registration expired since Feb 2016

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 1995

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

2 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 (2024) · 8 complaints, 2024–2026 · 5 in the past year

What has happened here

LeaksApt A8 class B · closed · HPD violation

LeaksApt A8 class B · closed · HPD violation

LeaksApt C11 complaint

Show 12 more

PlumbingApt C11 complaint

Plumbing complaint

PlumbingApt D5 complaint

LeaksApt B5 class C · HPD violation

PlumbingApt C11 complaint

PlumbingApt D5 complaint

2024 Jul

2024 Jun

PlumbingApt D3 complaint

PlumbingApt C11 complaint

PlumbingApt A7 complaint

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

What has happened here

MoldApt A8 complaint

PestsApt B5 complaint

MoldApt C4 class A · HPD violation

2026 May

Pests class A · paperwork · closed · HPD violation

MoldApt A8 class B · HPD violation

MoldApt A8 class A · closed · HPD violation

Show 17 more

Pests class A · paperwork · closed · HPD violation

MoldApt A8 complaint

2025 Jul

PestsApt 1A complaint

2025 Jul

PestsApt B5 complaint

2025 Jun

PestsApt B5 complaint

2025 Jun

MoldApt B5 complaint

PestsApt B5 class C · closed · HPD violation

2024 Oct

PestsApt D3 complaint

2024 Jul

MoldApt C11 class B · HPD violation

PestsApt A3 complaint

PestsApt C11 class C · HPD violation

PestsApt B11 class C · HPD violation

PestsApt B11 class C · HPD violation

MoldApt B11 class B · HPD violation

PestsApt A3 complaint

PestsApt C2 complaint

MoldApt A8 complaint

Electrical

3 complaints, 2025–2026 · 1 in the past year

What has happened here

ElectricalApt B5 complaint

2025 Sep

ElectricalApt A7 complaint

2025 Jul

ElectricalApt B5 complaint

ElectricalApt A8 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

BasementfoundNo basement

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

Gas

What has happened here

2025 Oct

GasApt 5C class C · HPD violation

Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published

Energy

ENERGY STAR score 57 (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

98 open: 98 about building conditions — pests (24), walls, floors and stairs (24), mold (11), doors and windows (10); 37 immediately hazardous (class C). Also 24 older records from 1999–2016 never closed. 25 further violations from 2024–2026 were closed. 723 violations on record in all, 1999–2026 — the 195 most recent are listed here

Walls, floors and stairs class B

Doors and windowsApt C4 class A

Doors and windowsApt C4 class A