Building health · BROOKLYN, NY
built 1925 · 4 stories · 38 apartments
Also known as 409 Troy Ave, 411 Troy Ave, 415 Troy Ave, 840 Montgomery St — one building, several doors.
Registered with the city: MONTGOMERY 840 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
Heat or hot water, unsanitary conditions
Housing Maintenance Code Complaints and Problems
2026 Sep
Other conditions class A
Housing Maintenance Code Violations
2026 Sep
Heat or hot waterApt 6B
Housing Maintenance Code Complaints and Problems
2026 Sep
Heat or hot water
2026 Sep
Heat or hot water, leaksApt A4
2026 Sep
Heat or hot water
2026 Sep
Other conditions class A
Housing Maintenance Code Violations
2026 Sep
Pests
Housing Maintenance Code Complaints and Problems
2026 Aug
Latest accepted inspection Aug 2026, defects reported: no
DOB NOW: Safety Boiler
2026 Jul
Floors or stairs
Housing Maintenance Code Complaints and Problems
2025 Nov
Pests, leaksApt 2C
2025 Nov
PestsApt 2C
2025 Nov
Walls, floors and stairs class C
Housing Maintenance Code Violations
2025 Nov
Heat or hot waterApt C11
Housing Maintenance Code Complaints and Problems
2025 Oct
Fire safety class B · closed
Housing Maintenance Code Violations
2025 Oct
Fire safety class B · closed
2025 Oct
Fire safety class B · closed
2025 Oct
Fire safety class B · closed
2025 Oct
Fire safety class B · closed
2025 Oct
Heat or hot waterApt 7C
Housing Maintenance Code Complaints and Problems
2025 Oct
Heat or hot waterApt B5
2025 Oct
Heat or hot waterApt A8
2025 Sep
Rubbish and cleanliness class A · closed
Housing Maintenance Code Violations
2025 Aug
Unsanitary conditions
Housing Maintenance Code Complaints and Problems
2025 Aug
Unsanitary conditions
2025 May
Paint or plaster, moldApt 7A
2025 Mar
Heat or hot water
2025 Jan
Boiler burning No. 2 oil (Rockmills MP-60), registration current since Jan 2025
Clean Air Tracking System (boiler registrations)
2024 Nov
Heat or hot waterApt 10A class C · closed
Housing Maintenance Code Violations
2024 Nov
Heat or hot water
Housing Maintenance Code Complaints and Problems
2024 Nov
Heat or hot water
2024 Oct
Lead-based paintApt 17B class B · paperwork
Housing Maintenance Code Violations
2024 Oct
Lead-based paintApt 1C class B · paperwork · closed
2024 Oct
Lead-based paintApt 16B class B · paperwork · closed
2024 Oct
Lead-based paintApt 8B class B · paperwork · closed
2024 Aug
Lead-based paintApt 3A class C · paperwork
2024 Aug
Lead-based paintApt 3A class C · paperwork
2024 Jul
PestsApt 1C
Housing Maintenance Code Complaints and Problems
2024 Mar
Rubbish and cleanliness class B · closed
Housing Maintenance Code Violations
2024 Mar
Other conditions class B · closed
2024 Mar
Heat or hot water
Housing Maintenance Code Complaints and Problems
2024 Mar
Heat or hot water
2024 Mar
Heat or hot waterApt 6B
2023 Nov
AppliancesApt 2A
2023 Nov
Heat or hot water class C · paperwork · closed
Housing Maintenance Code Violations
2023 Nov
Heat or hot waterApt C9 class C · closed
2023 Nov
Heat or hot waterApt C9 class C · closed
2023 Nov
Heat or hot water
Housing Maintenance Code Complaints and Problems
2023 Nov
Heat or hot water
2023 Nov
Doors and windowsApt 5C class A · closed
Housing Maintenance Code Violations
2023 Nov
Walls, floors and stairsApt 5C class A · closed
2023 Nov
Doors and windowsApt 5C class A · closed
2023 Nov
Lead-based paintApt 5C class C · paperwork · closed
2023 Nov
Lead-based paintApt 5C class C · closed
2023 Nov
Lead-based paintApt 5C class C · closed
2023 Nov
Lead-based paintApt 5C class C · closed
2023 Nov
Lead-based paintApt 5C class C · closed
2023 Nov
Lead-based paintApt 5C class C · closed
2023 Nov
Lead-based paintApt 5C class C · closed
2023 Oct
Electrical, paint or plasterApt 5C
Housing Maintenance Code Complaints and Problems
2023 Oct
Other conditions class B
Housing Maintenance Code Violations
2023 Oct
Heat or hot water
Housing Maintenance Code Complaints and Problems
2022 Feb
Lead-based paintApt B14 class C · paperwork
Housing Maintenance Code Violations
2021 Apr
Failure To Post Energy Grade/Score
DOB Violations
2020 Jan
Fire safety class B
Housing Maintenance Code Violations
2018 Sep
Construction class - 2
DOB Violations
2018 Sep
Construction
2018 Jul
General construction permit
DOB NOW: Build – Approved Permits
2017 Mar
Heating/ventilation permit, General construction permit
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2007 Jan
Local Law 62/91 - Boilers never closed
DOB Violations
2005 Mar
Fire protection permit
DOB NOW: Build – Approved Permits
1994 Aug
Plumbing permit, Fuel storage permit
1991 May
Fire safetyApt 7B class B · never closed
Housing Maintenance Code Violations
1991 May
Smoke or CO detectorsApt 7B class B · never closed
1925
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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Not an inspection and not a warranty. May not be used for tenant screening — terms of use · privacy.