Building health · BROOKLYN, NY
built 1910 · 3 stories · 4 apartments
Also known as 856 Knickerbocker Ave — one building, several doors.
Registered with the city: DDA 856 LLC; 856 KNICKERBOCKER AVE LLC
Last sold Apr 2026 for $2,650,000 · 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 Apr
Sold for $2,650,000
NYC Citywide Annualized Calendar Sales
2025 Nov
Other conditions class I · paperwork · closed
Housing Maintenance Code Violations
2025 Oct
PL-PER Gas Piping - LL152
DOB Violations
2025 Jun
Pests class A · paperwork · closed
Housing Maintenance Code Violations
2024 Nov
Other conditions class I · paperwork · closed
2024 Apr
Pests class A · paperwork · closed
2023 Nov
Other conditions class I · paperwork · closed
2020 Feb
PestsApt 3R class C
2020 Feb
Walls, floors and stairs class A
2020 Feb
Leaks class A
2020 Feb
Smoke or CO detectorsApt 3R class B
2020 Feb
Smoke or CO detectorsApt 3R class B
2020 Feb
PestsApt 3R class C
2017 Jul
Smoke or CO detectors class A
2017 Jul
Leaks class A
2016 Aug
Smoke or CO detectorsApt 2R class B · never closed
2016 Aug
Smoke or CO detectorsApt 2R class B · never closed
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2005 Dec
Heating/ventilation permit, Plumbing permit, Sprinklers permit, Boiler permit
DOB NOW: Build – Approved Permits
2005 Sep
Plumbing permit, General construction permit
2005 May
Fire protection permit
2005 Mar
Plumbing permit, General construction permit
2004 Aug
Latest boiler work permit 2004
DOB Permit Issuance (BIS)
2004 Jun
Construction fence permit
DOB NOW: Build – Approved Permits
1998 Feb
Lead-based paintApt 3 class C · never closed
Housing Maintenance Code Violations
1998 Feb
Lead-based paintApt 3 class C · never closed
1998 Feb
Lead-based paintApt 3 class C · never closed
1998 Feb
Lead-based paintApt 3 class C · never closed
1997 Aug
Lead-based paintApt 2L class C · never closed
1997 Aug
Lead-based paintApt 2L class C · never closed
1997 Aug
Lead-based paintApt 2L class C · never closed
1994 Mar
Lead-based paintApt 3R class C · never closed
1994 Mar
Lead-based paintApt 2L class C · never closed
1993 Aug
Local Law 62/91 - Boilers never closed
DOB Violations
1991 Dec
Lead-based paintApt 2R class C · never closed
Housing Maintenance Code Violations
1991 Dec
Lead-based paintApt 2R class C · never closed
1991 May
Lead-based paintApt 3L class C · never closed
1991 May
Lead-based paintApt 3L class C · never closed
1991 May
Lead-based paintApt 3L class C · never closed
1991 May
Lead-based paintApt 3L class C · never closed
1910
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.