OpenViolations
/

818 Knickerbocker Avenue

BrooklynBIN 3079083
HPD registration valid
Export CSV
OverviewHealth scoreTimelineFinesOwner
Open Class C
0
Immediately hazardous
Open Class B
5
Hazardous
Open Class A
2
Non-hazardous
Fines due
$0.00
Balance on OATH/ECB summonses
Permits on file
8
DOB permit records
Last activity
Jun 16, 2026
Bedbugs record

Building health score

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

A
Health score · Jul 29, 2026
Scored from all 49 public records for this building
Open Class C violations
Immediately hazardous, uncertified
This building 0
Open Class B violations
Hazardous
This building 5
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 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. 49 records on file.

Download this timeline (CSV) →
Jun 16, 2026
Jan 24, 2025
Nov 14, 2024
Dec 26, 2023
Dec 28, 2022
Feb 28, 2022
Aug 20, 2020
Apr 27, 2020
Aug 7, 2019
Aug 7, 2019
Aug 7, 2019
Aug 7, 2019
Aug 7, 2019
Aug 7, 2019
Aug 7, 2019
Aug 7, 2019
Aug 7, 2019
Jan 31, 2019
Oct 18, 2018
Nov 30, 2015
Jul 17, 2015
Jun 15, 2015
Jun 15, 2015
Feb 23, 2015
Mar 26, 2010
Nov 9, 2009
Feb 10, 2009
Jan 1, 2009
Dec 5, 2008
Apr 29, 2008

OATH / ECB summonses & fines

No balance is recorded as due across the 2 summonses below, out of $5,000.00 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 818 Knickerbocker Avenue
558979Feb 20, 2004FAILURE TO MAINTAIN EXTERIOR BUILDING WALL. NOTED: (1) LARGE SECTION OApr 5, 2004WRITTEN OFF
706831Jul 26, 1999FAILURE TO MAINTAIN EXTERIOR BUILDING WALL. DEFECT IS: THE STUCCO IS Sep 13, 1999WRITTEN OFF