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866 Knickerbocker Avenue

BrooklynBIN 3079554
2 open Class CHPD registration valid
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OverviewHealth scoreTimelineFinesOwner
Open Class C
2
Immediately hazardous
Open Class B
1
Hazardous
Open Class A
0
Non-hazardous
Fines due
$0.00
Balance on OATH/ECB summonses
Permits on file
7
DOB permit records
Last activity
Dec 2, 2025
Bedbugs record

Building health score

A composite of public indicators. Every input is a public record. See the full methodology.

B
Health score · Jul 30, 2026
Scored from all 30 public records for this building
Open Class C violations
Immediately hazardous, uncertified
This building 2
Open Class B violations
Hazardous
This building 1
Heat & hot water records
Violations and complaints, last 24 months
This building 0
Unpaid penalties
OATH/ECB summonses with balance due
This building $0
Bedbug filings with infestations
Annual LL69 filings on record
This building 1
Tenant litigation
Open HP actions in Housing Court
This building 0
Active vacate order
HPD or FDNY order to vacate, still in effect
This building No

Unified timeline

Every record from every agency, interleaved. 30 records on file.

Download this timeline (CSV) →
Dec 2, 2025
Jan 9, 2025
Dec 4, 2023
Jan 9, 2023
Feb 21, 2022
Nov 10, 2021
Apr 19, 2021
Jul 2, 2020
Aug 13, 2019
May 1, 2018
Mar 9, 2018
Mar 9, 2018
Oct 9, 2015
Oct 21, 2010
Aug 13, 2010
May 7, 2010
Dec 31, 2009
Jul 14, 2009
Apr 2, 2009
Apr 21, 2008
Apr 18, 2008
Feb 14, 2008
Jan 10, 2008
Jan 3, 2008
Jan 6, 2006
Nov 11, 2003
Mar 19, 2003
Mar 26, 2002
Feb 27, 2001
Apr 12, 2000

OATH / ECB summonses & fines

No OATH or ECB summons carrying a penalty is published against this BIN. Summonses issued to a different BIN at the same address, or filed without a building identifier, will not appear here.