Building health · BROOKLYN, NY

809 Classon Ave

built 1920 · 3 stories · 8 apartments
Registered with the city: GOLOWA GROUP · 5 other buildings here list it; 809 CLASSON ASSOC. A LLC AND 809; 809 CLASSON ASSOCIATES A, LLC

Apartments named in these records

4 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

Older records on file
Boiler inspection filings

Latest accepted inspection May 2026, 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

  • Heat sourceno recordNo boiler registration or district steam on record
  • Boiler work permitsno recordNo boiler work permits on record
  • Heat and hot water complaintsfound0 heat or hot water complaints

Water and pipes

2 resolved since 2025
Water service line

Non-Lead (records)

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

Pests and cleanliness

Issues on record (2023) · 3 complaints, 2025

Fire and safety

Issues on record, most recently 2025

Electrical

1 resolved in 2025

Structure and facade

Issues on record, most recently 2023

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

  • Basementno recordUnknown

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

10 open: 9 about building conditions — fire safety (4), other conditions (2), pests (1), smoke or CO detectors (1); 4 immediately hazardous (class C), 1 about paperwork or notices. Also 33 older records from 1983–2002 never closed. 15 further violations from 2023–2025 were closed. 61 violations on record in all, 1983–2026 — the 58 most recent are listed here

2026 May
Pests class A · paperwork
2025 Apr
Fire safetyApt 3R class C
2025 Apr
Fire safetyApt 2R class C
2025 Apr
MoldApt 2R class B · closed
2025 Apr
Leaks class B · closed
2025 Apr
Walls, floors and stairs class A · closed
2025 Apr
Fire safety class B · closed
2025 Apr
Walls, floors and stairsApt 3R class B · closed
Show 32 more
2025 Apr
Walls, floors and stairsApt 2R class B · closed
2025 Apr
MoldApt 2R class A · closed
2025 Apr
ElectricalApt 2R class B · closed
2025 Apr
Walls, floors and stairsApt 2R class B · closed
2025 Apr
LeaksApt 2R class B · closed
2025 Apr
Walls, floors and stairsApt 2R class B · closed
2025 Apr
Smoke or CO detectorsApt 2R class B · closed
2025 Apr
Smoke or CO detectorsApt 2R class B · closed
2025 Apr
Walls, floors and stairsApt 2R class B · closed
2023 Nov
Other conditions class I · paperwork · closed
2023 Aug
Fire safety class A
2023 Aug
Other conditionsApt 3L class B
2023 Aug
Other conditionsApt 3L class A
2023 Aug
Walls, floors and stairsApt 3L class A
2023 Aug
Fire safetyApt 3L class C
2023 Aug
Smoke or CO detectorsApt 3L class B
2023 Aug
PestsApt 3L class C
2002 Jun
PestsApt 1-R class B · never closed
1984 May
Walls, floors and stairs class A · never closed
1984 May
Heat or hot water class C · never closed
1984 May
Heat or hot water class C · paperwork · never closed
1984 May
Walls, floors and stairs class A · never closed
1984 May
Walls, floors and stairs class A · never closed
1984 May
Other conditions class B · never closed
1984 May
Doors and windows class B · never closed
1984 May
Walls, floors and stairs class B · never closed
1984 May
Other conditions class B · never closed
1984 May
Walls, floors and stairs class B · never closed
1984 May
Walls, floors and stairs class B · never closed
1984 May
Other conditions class B · never closed
1984 May
Walls, floors and stairsApt 3R class A · never closed
1984 May
Walls, floors and stairsApt 3R class B · never closed
and 3 more at the source
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

1 open: 1 older than 10 years

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

Resident complaints to the city

3 floors or stairs, 2 paint or plaster, 2 pests, 1 unsanitary conditions

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 historyno record0 permits since 1990

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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