Building health · BROOKLYN, NY
built 1906 · 3 stories · 6 apartments
Registered with the city: 841 KNICKERBOCKER LLC
Last sold Dec 2022 for $1,000,000 · NYC Department of Finance
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
Latest accepted inspection Oct 2026, defects reported: yes
DOB NOW: Safety Boiler
2026 May
Pests class A · paperwork · closed
Housing Maintenance Code Violations
2025 Nov
Low Pressure Boiler
DOB Violations
2022 Dec
Sold for $1,000,000
NYC Citywide Annualized Calendar Sales
2019 Aug
Leaks class A
Housing Maintenance Code Violations
2019 Aug
Heat or hot water class C · paperwork
2019 Aug
Walls, floors and stairs class A · paperwork
2019 Aug
Walls, floors and stairs class A
2014 Nov
Smoke or CO detectorsApt 1R class B · never closed
2014 Nov
Smoke or CO detectorsApt 1R class B · never closed
2014 Oct
Lead-based paintApt 1R class C · never closed
2014 Oct
Lead-based paintApt 1R class C · never closed
2014 Oct
Walls, floors and stairsApt 1R class A · never closed
2014 Oct
Lead-based paintApt 1L class C · never closed
2014 Oct
Walls, floors and stairsApt 1L class A · never closed
2014 Oct
Lead-based paintApt 1L class C · never closed
2014 Oct
Doors and windowsApt 1R class A · never closed
2014 Oct
Doors and windowsApt 1R class A · never closed
2014 Oct
Smoke or CO detectorsApt 1R class B · never closed
2014 Oct
Smoke or CO detectorsApt 1R class B · never closed
2014 Oct
Doors and windowsApt 1L class A · never closed
2014 Oct
Smoke or CO detectorsApt 1L class B · never closed
2014 Oct
Fire safetyApt 1L class B · never closed
2014 Oct
Smoke or CO detectorsApt 1R class B · never closed
2014 Oct
Smoke or CO detectorsApt 1R class B · never closed
2014 Jul
Lead-based paintApt 1L class C · never closed
2014 Jul
Fire safetyApt 1L class B · never closed
2014 Jul
Doors and windowsApt 1L class A · never closed
2014 Jul
Walls, floors and stairsApt 1L class A · never closed
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2005 Jan
Local Law 62/91 - Boilers never closed
DOB Violations
1997 Feb
Local Law 62/91 - Boilers never closed
1994 Jun
Local Law 62/91 - Boilers never closed
1993 Aug
Local Law 62/91 - Boilers never closed
1993 Jun
Local Law 62/91 - Boilers never closed
1906
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.