OpenViolations
/

728 Knickerbocker Avenue

BrooklynBIN 3078000
HPD registration valid
Export CSV
OverviewHealth scoreTimelineFinesOwner
Open Class C
0
Immediately hazardous
Open Class B
17
Hazardous
Open Class A
0
Non-hazardous
Fines due
$0.00
Balance on OATH/ECB summonses
Permits on file
4
DOB permit records
Last activity
May 11, 2026
Bedbugs record

Building health score

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

B
Health score · Jul 29, 2026
Scored from all 75 public records for this building
Open Class C violations
Immediately hazardous, uncertified
This building 0
Open Class B violations
Hazardous
This building 17
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. 75 records on file.

Download this timeline (CSV) →
May 11, 2026
May 6, 2026
Nov 27, 2025
Dec 11, 2024
Dec 25, 2023
Apr 4, 2023
Dec 23, 2021
May 10, 2021
Oct 30, 2019
Dec 12, 2018
Oct 18, 2018
Nov 10, 2016
Jul 27, 2016
Jul 12, 2016
Mar 28, 2016
Oct 9, 2015
Feb 23, 2015
Jul 3, 2013
Jul 3, 2013
Jun 28, 2013
Apr 8, 2013
Apr 8, 2013
Apr 8, 2013
Apr 8, 2013
Apr 8, 2013
Mar 1, 2013
Dec 13, 2011
Dec 31, 2009
Mar 5, 2009
Mar 5, 2009

OATH / ECB summonses & fines

No balance is recorded as due across the 3 summonses below, out of $2,300.00 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 728 Knickerbocker Avenue
1072017Apr 8, 2013FAILURE TO MAINTAIN BLDG IN CODE-COMPLIANT MANNER RE: INSTALLATION OF Aug 7, 2013IN VIOLATION
1365486Apr 8, 2013GAS BEING SUPPLIED TO BLDG W/O INSPECTION OR TEST BY DOB. GAS BEING SUAug 7, 2013IN VIOLATION
1365062Dec 10, 1999OCCUPANCY CONTRARY TO THAT ALLOWED BY BLDG. DEPT. RECORDS. PARTITIONS Jan 24, 2000IN VIOLATION