421 Troy Ave — timeline

Building health · BROOKLYN, NY

built 1931 · 6 stories · 43 apartments

Also known as 757 Empire Blvd — one building, several doors.

Registered with the city: 757 EMPIRE REALTY INC

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

General repairsApt 3B

Housing Maintenance Code Complaints and Problems

2026 Jul

Latest accepted inspection Jul 2026, defects reported: no

DOB NOW: Safety Boiler

2026 Mar

Boiler burning natural gas (Federal FST-70), registration current since Mar 2026

Clean Air Tracking System (boiler registrations)

2026 Jan

Heat or hot water

Housing Maintenance Code Complaints and Problems

Heat or hot waterApt 6F

2025 Oct

Heat or hot water class C · closed

Housing Maintenance Code Violations

2025 Oct

Fire safetyApt 6D class C · closed

2025 Oct

Doors and windowsApt 6D class C · closed

2025 Oct

Walls, floors and stairsApt 6D class B · closed

2025 Oct

PlumbingApt 6D class B · closed

2025 Oct

MoldApt 6D class A · closed

2025 Oct

Heat or hot waterApt 6D class C · closed

2025 Oct

Heat or hot waterApt 6D

Housing Maintenance Code Complaints and Problems

2025 Oct

MoldApt 3A class B

Housing Maintenance Code Violations

2025 Oct

Doors and windowsApt 3A class A

2025 Oct

Walls, floors and stairsApt 3A class A

2025 Oct

Heat or hot waterApt 3A class A

2025 Oct

Doors and windowsApt 3A class A

2025 Oct

Walls, floors and stairsApt 3A class A

2025 Oct

Walls, floors and stairsApt 3A class A

2025 Oct

Doors and windowsApt 3A class A

2025 Oct

Fire safetyApt 3A class C

Walls, floors and stairsApt 3A class A

2025 Oct

LeaksApt 3A class A

2025 Oct

Walls, floors and stairsApt 3A class A

2025 Oct

LeaksApt 3A class A

2025 Oct

Walls, floors and stairsApt 3A class A

2025 Oct

Walls, floors and stairsApt 3A class A

2025 Oct

Doors and windowsApt 3A class A

2025 Oct

Walls, floors and stairsApt 3A class A

2025 Oct

LeaksApt 3A class A

2025 Oct

Walls, floors and stairsApt 3A class A

2025 Oct

LeaksApt 3A class A

2025 Oct

Heat or hot waterApt 3A class A

2025 Oct

Doors and windowsApt 3A class A

2025 Oct

Doors and windowsApt 3A class A · closed

2025 Oct

Walls, floors and stairsApt 3A class A · closed

2025 Oct

Doors and windowsApt 3A class A · closed

2025 Oct

Lead-based paintApt 3A class C · closed

2025 Oct

Lead-based paintApt 3A class C · closed

2025 Oct

Lead-based paintApt 3A class C · closed

2025 Oct

Lead-based paintApt 3A class C · closed

2025 Oct

Lead-based paintApt 3A class C · closed

2025 Oct

Walls, floors and stairs class B · closed

2025 Oct

Walls, floors and stairs class B · closed

2025 Oct

Other conditions class B · closed

2025 Oct

Fire safetyApt 3A class B · closed

2025 Oct

PlumbingApt 3A class B · closed

2025 Oct

Walls, floors and stairsApt 3A class B · closed

2025 Oct

Doors and windowsApt 3A class C · closed

2025 Oct

Walls, floors and stairsApt 3A class B · closed

2025 Oct

Doors and windowsApt 3A class B · closed

2025 Oct

Fire safetyApt 3A class C · closed

2025 Oct

Floors or stairs, paint or plaster, plumbing, leaksApt 3A

Housing Maintenance Code Complaints and Problems

2025 Sep

EN-BENCH Benchmarking - LL84

DOB Violations

2025 Sep

1 active elevator; latest periodic inspection Sep 2025

DOB NOW Elevator Safety Compliance

2025 Aug

Plumbing, moldApt BASEME

Housing Maintenance Code Complaints and Problems

Heat or hot water class C

Housing Maintenance Code Violations

2025 Feb

Heat or hot water

Housing Maintenance Code Complaints and Problems

Heat or hot waterApt 4D

Heat or hot waterApt 5B

2025 Jan

Heat or hot water

2025 Jan

Heat or hot waterApt 5B

Heat or hot waterApt 1D

Doors or windows, heat or hot water, paint or plaster, pestsApt 4F

Heat or hot waterApt 3D

Heat or hot waterApt 3D

Heat or hot waterApt 2B

Paint or plasterApt B

Appliances, doors or windows, floors or stairs, general repairs, paint or plasterApt 6D

2024 Feb

Heat or hot water

2024 Feb

Floors or stairs, plumbing, pestsApt 5D

Floors or stairs, paint or plaster, plumbingApt BASEME

2020 Jun

General construction permit

DOB NOW: Build – Approved Permits

2007 Sep

Outside FEMA's 1% annual-chance flood zone: X

FEMA National Flood Hazard Layer

1996 Jul

Plumbing permit, Fuel burning permit

DOB NOW: Build – Approved Permits

1993 Aug

Local Law 62/91 - Boilers never closed

DOB Violations

1931

Built

PLUTO (tax lot data)

See all records and sources

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.
Report an error · Talk to us · Look up another building

Not an inspection and not a warranty. May not be used for tenant screening — terms of use · privacy.

For AI and developers: llms.txt · API · MCP server · this card as markdown