OpenViolations
/

524 Knickerbocker Avenue

BrooklynBIN 3338491
HPD registration valid
Export CSV
OverviewHealth scoreTimelineFinesOwner
Open Class C
0
Immediately hazardous
Open Class B
10
Hazardous
Open Class A
0
Non-hazardous
Fines due
$0.00
Balance on OATH/ECB summonses
Permits on file
2
DOB permit records
Last activity
Dec 12, 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 29, 2026
Scored from all 42 public records for this building
Open Class C violations
Immediately hazardous, uncertified
This building 0
Open Class B violations
Hazardous
This building 10
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. 42 records on file.

Download this timeline (CSV) →
Dec 12, 2025
Sep 23, 2024
Sep 23, 2024
Jun 23, 2024
Apr 21, 2024
Apr 21, 2024
Apr 21, 2024
Dec 27, 2023
Dec 27, 2023
Dec 16, 2023
Dec 16, 2023
Jul 12, 2023
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Apr 25, 2023
Apr 25, 2023
Apr 22, 2023
Mar 31, 2023
Nov 10, 2022
Aug 21, 2022
Apr 7, 2022
Mar 10, 2022
Dec 8, 2021
Nov 12, 2021
Nov 12, 2021
Jun 20, 2021

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.