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651 Knickerbocker Avenue

BrooklynBIN 3076912
$750.00 recorded as dueHPD registration valid
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OverviewHealth scoreTimelineFinesOwner
Open Class C
0
Immediately hazardous
Open Class B
1
Hazardous
Open Class A
0
Non-hazardous
Fines due
$750.00
Balance on OATH/ECB summonses
Permits on file
3
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.

A
Health score · Jul 30, 2026
Scored from all 41 public records for this building
Open Class C violations
Immediately hazardous, uncertified
This building 0
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 $750
Bedbug filings with infestations
Annual LL69 filings on record
This building 0
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. 41 records on file.

Download this timeline (CSV) →
Dec 2, 2025
Nov 25, 2025
Feb 22, 2025
Feb 6, 2025
Jan 9, 2025
Apr 19, 2024
Dec 4, 2023
Aug 28, 2023
Aug 28, 2023
Jan 9, 2023
Feb 21, 2022
Apr 1, 2021
Aug 2, 2020
Jul 2, 2020
May 2, 2019
May 2, 2019
May 2, 2019
Oct 17, 2017
Oct 17, 2017
Jul 27, 2017
Jul 27, 2017
Oct 31, 2015
Oct 9, 2015
May 8, 2008
Jan 16, 2008
Jan 16, 2008
Jan 16, 2008
Jul 8, 2007
May 16, 2007
May 11, 2007

OATH / ECB summonses & fines

$750.00 is recorded as due across the 7 summonses below, out of $3,125.00 in penalties imposed. The city’s published records do not show whether a penalty was paid, reduced, or written off.

OATH and ECB summonses for 651 Knickerbocker Avenue
048947903MFeb 22, 2025IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STMay 23, 2025Pending
048947830KFeb 6, 2025IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STMay 8, 2025DEFAULTED
048382103ZApr 19, 2024STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLEJul 18, 2024DEFAULTED$300.00
046751376MAug 2, 2020NOXIOUS LIQUIDSNov 2, 2020DEFAULTED$450.00
0188245018Oct 31, 2015RECYC PLACED FOR COLLECTION W NON-RECYC 1 TO 8 DWELLING UNITSDec 1, 2015SETTL IN-VIO
469093Jan 16, 2008FAILURE TO PROTECT & SAFEGUARD PUBLIC & PROPERTY AFFECTED BY CONSTRUCTJul 21, 2008IN VIOLATION
034611758HJan 16, 2008FAILURE TO SAFEGUARD PUBLIC AND PROPERTY AFFECTED BY CONSTRUCTION OPERJul 21, 2008IN VIOLATION