Building health · BROOKLYN, NY

1646 Union St

built 1920 · 4 stories · 23 apartments
Registered with the city: RENAISSANCE REALTY GROUP LLC · 22 other buildings here list it; 1646 UNION 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 Sep
Latest accepted inspection Sep 2026, defects reported: no
DOB NOW: Safety Boiler
2026 Aug
PestsApt 1D class C
Housing Maintenance Code Violations
2026 Aug
Walls, floors and stairsApt 1D class B
2026 Aug
MoldApt 1D class A
2026 Aug
Paint or plaster, moldApt 1D
Housing Maintenance Code Complaints and Problems
2026 Jul
Walls, floors and stairsApt 1D class B
Housing Maintenance Code Violations
2026 Jul
PestsApt 1D class C
2026 Jul
Paint or plaster, mold, pests, leaksApt 1D
Housing Maintenance Code Complaints and Problems
2026 Jun
Doors and windowsApt 1D class B
Housing Maintenance Code Violations
2026 Jun
PestsApt 1D class C
2026 Jun
LeaksApt 1D class B
2026 Jun
Walls, floors and stairsApt 1D class C · closed
2026 Jun
MoldApt 1D class C · closed
2026 Jun
Paint or plaster, mold, leaksApt 1D
Housing Maintenance Code Complaints and Problems
2026 Jun
Walls, floors and stairsApt 4E class B
Housing Maintenance Code Violations
2026 Jun
Walls, floors and stairsApt 4E class B
2026 Jun
Walls, floors and stairsApt 4E class B
2026 Jun
Doors and windowsApt 4E class B
2026 Jun
Floors or stairs, general repairs, paint or plasterApt 4E
Housing Maintenance Code Complaints and Problems
2026 Jun
MoldApt 4E class B
Housing Maintenance Code Violations
2026 Jun
Other conditions class A
2026 Jun
Walls, floors and stairsApt 4E class B
2026 Jun
Doors and windowsApt 4E class B
2026 Jun
Walls, floors and stairsApt 4E class B
2026 Jun
MoldApt 4E class A · closed
2026 May
Walls, floors and stairsApt 4E class B
2026 May
Doors and windowsApt 4E class B
2026 May
MoldApt 4E class B
2026 May
Walls, floors and stairsApt 4E class A
2026 May
Doors or windows, floors or stairs, general repairs, paint or plaster, moldApt 4E
Housing Maintenance Code Complaints and Problems
2026 May
MoldApt 4E class B
Housing Maintenance Code Violations
2026 May
Doors and windows class B
2026 May
Doors and windowsApt 4E class B
2026 May
MoldApt 4E class A · closed
2026 May
Smoke or CO detectorsApt 1D class B
2026 May
MoldApt 1D class C · closed
2026 May
MoldApt 1D class B · closed
2026 May
Pests class A · paperwork · closed
2026 Apr
General repairsApt 4E
Housing Maintenance Code Complaints and Problems
2026 Apr
Paint or plasterApt 4E
2026 Apr
General repairsApt 4E
2026 Apr
General repairsApt 4E
2026 Apr
Plumbing, pestsApt 1D
2026 Mar
MoldApt 1D class A · closed
Housing Maintenance Code Violations
2026 Mar
Doors or windows, paint or plaster, plumbing, mold, leaksApt 1D
Housing Maintenance Code Complaints and Problems
2026 Mar
General repairsApt 4E
2026 Feb
LeaksApt 1B
2026 Feb
General repairsApt 4E
2026 Feb
General repairsApt 4E
2026 Feb
Plumbing permit
DOB NOW: Build – Approved Permits
2026 Feb
General repairsApt 4E
Housing Maintenance Code Complaints and Problems
2025 Dec
LeaksApt 1D
2025 Dec
Boiler burning natural gas (Laars PH-0400), registration current since Dec 2025
Clean Air Tracking System (boiler registrations)
2025 Oct
Heat or hot waterApt 4E
Housing Maintenance Code Complaints and Problems
2025 Oct
VT-CAT1-CO Elevators
DOB Violations
2025 Sep
PestsApt 1B class C · closed
Housing Maintenance Code Violations
2025 Sep
PestsApt 1B class C · closed
2025 Sep
PestsApt 1B
Housing Maintenance Code Complaints and Problems
2025 Jul
Elevators class - 1
DOB Violations
2025 May
1 active elevator; latest periodic inspection May 2025
DOB NOW Elevator Safety Compliance
2025 Mar
Doors or windows, safetyApt 4E
Housing Maintenance Code Complaints and Problems
2025 Feb
PestsApt 2C
2025 Jan
Doors or windowsApt 4E
2025 Jan
Fire safetyApt 4E class B · closed
Housing Maintenance Code Violations
2025 Jan
Heat or hot waterApt 4E
Housing Maintenance Code Complaints and Problems
2024 Dec
Heat or hot waterApt 1D
2024 Sep
Paint or plaster, mold, leaksApt 1E
2024 Jul
LeaksApt 3B
2024 May
No active shed permit; permits since May 2023, last expired May 2024
DOB NOW: Build – Approved Permits
2024 Apr
Heat or hot waterApt 2F class C · closed
Housing Maintenance Code Violations
2024 Apr
Heat or hot waterApt 3C
Housing Maintenance Code Complaints and Problems
2024 Apr
Heat or hot waterApt 2D
2024 Apr
Doors or windows, heat or hot water, plumbingApt 2F
2024 Jan
Heat or hot waterApt 4E
2024 Jan
Doors or windowsApt 2F
2024 Jan
Heat or hot waterApt 4E
2024 Jan
Walls, floors and stairsApt 2F class B · closed
Housing Maintenance Code Violations
2024 Jan
LeaksApt 2F class B · closed
2024 Jan
Smoke or CO detectorsApt 2F class B · closed
2024 Jan
Smoke or CO detectorsApt 2F class B · closed
2024 Jan
Fire safetyApt 2F class C · closed
2024 Jan
Doors or windows, paint or plasterApt 2F
Housing Maintenance Code Complaints and Problems
2023 Dec
Doors and windowsApt 2F class B · closed
Housing Maintenance Code Violations
2023 Dec
Paint or plasterApt 2F
Housing Maintenance Code Complaints and Problems
2023 Dec
Doors or windowsApt 2F
2023 Nov
Doors or windowsApt 2F
2023 Nov
LeaksApt 2F
2023 Oct
Heat or hot water class C · closed
Housing Maintenance Code Violations
2023 Oct
Heat or hot waterApt 2A class C · closed
2023 Oct
PestsApt 1B class C · closed
2023 Oct
Heat or hot water
Housing Maintenance Code Complaints and Problems
2023 Jun
General construction permit
DOB NOW: Build – Approved Permits
2023 May
Supported scaffold permit
2022 Jul
General construction permit
2020 Jan
Plumbing permit
2020 Jan
Latest boiler work permit 2020
DOB Permit Issuance (BIS)
2020 Jan
Boiler equipment permit
DOB NOW: Build – Approved Permits
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
1920
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.
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