Building health · BROOKLYN, NY
built 1907 · 3 stories · 9 apartments
Registered with the city: 423 FLATBUSH, LLC; JOHN'S CANNABIS LLC
The building’s record over time
Filings, permits, complaints and violations from city records, newest first. Highlighted rows are unresolved and from the last year; older unresolved records are marked “never closed”. Tap any row to read it on the agency’s own site.
2026 Oct
VT-CAT1-CO Elevators
DOB Violations
2026 Oct
VT-PER-CO Elevators
2026 May
Pests class A · paperwork
Housing Maintenance Code Violations
2026 Feb
Leaks class A
2026 Feb
Walls, floors and stairs class A
2026 Feb
Fire safety class C
2026 Feb
Doors and windows class B
2026 Feb
Doors and windows class C
2026 Feb
Smoke or CO detectors class A
2026 Feb
Walls, floors and stairs class A · paperwork
2026 Feb
Smoke or CO detectors class A
2026 Feb
Heat or hot water class C · paperwork
2026 Feb
Walls, floors and stairs class A
2026 Feb
Fire safety class C
2026 Feb
Other conditions class B
2026 Feb
Other conditions class B
2026 Feb
LeaksApt 9 class B
2026 Feb
Walls, floors and stairsApt 9 class B
2026 Feb
Fire safetyApt 9 class C
2026 Feb
PestsApt 9 class C
2026 Feb
Smoke or CO detectorsApt 9 class B
2026 Feb
Fire safetyApt 8 class C
2026 Feb
Heat or hot water class C
2026 Feb
Heat or hot waterApt 8 class C
2026 Feb
Heat or hot waterApt 8 class C
2026 Feb
ElectricalApt 8 class C
2026 Feb
Doors and windows class C · closed
2026 Feb
Heat or hot waterApt 9 class C · closed
2026 Feb
Mold, leaksApt 9
Housing Maintenance Code Complaints and Problems
2026 Feb
Electrical, heat or hot waterApt 8
2026 Feb
Paint or plasterApt 9
2025 Nov
Other conditions class I · paperwork
Housing Maintenance Code Violations
2025 Nov
Low Pressure Boiler
DOB Violations
2025 Nov
Low Pressure Boiler
2025 Nov
Low Pressure Boiler
2025 Nov
Low Pressure Boiler
2025 Nov
Low Pressure Boiler
2025 Nov
Low Pressure Boiler
2025 Nov
Low Pressure Boiler
2025 Nov
Low Pressure Boiler
2025 Nov
Low Pressure Boiler
2025 Aug
VT-CAT1-CO Elevators
2025 Aug
VT-PER-CO Elevators
2025 Aug
Unsanitary conditions
Housing Maintenance Code Complaints and Problems
2024 Sep
Low Pressure Boiler
DOB Violations
2024 Sep
Low Pressure Boiler
2024 Sep
Low Pressure Boiler
2024 Sep
Low Pressure Boiler
2024 Sep
Low Pressure Boiler
2024 Sep
Low Pressure Boiler
2024 Sep
Low Pressure Boiler
2024 Sep
Low Pressure Boiler
2024 Sep
Low Pressure Boiler
2024 Sep
VT-CAT1-CO Elevators
2024 Sep
VT-PER-CO Elevators
2024 May
LeaksApt 9
Housing Maintenance Code Complaints and Problems
2023 Aug
VT-PER-CO Elevators
DOB Violations
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2002 Sep
Alteration permit, Plumbing permit
DOB NOW: Build – Approved Permits
1907
Built
PLUTO (tax lot data)
Dates are the city's record dates, shown to the month.
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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