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223 Knickerbocker Avenue

BrooklynBIN 3072540
12 open Class C$4,687.00 recorded as dueHPD registration valid
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OverviewHealth scoreTimelineFinesOwner
Open Class C
12
Immediately hazardous
Open Class B
39
Hazardous
Open Class A
0
Non-hazardous
Fines due
$4,687.00
Balance on OATH/ECB summonses
Permits on file
4
DOB permit records
Last activity
Mar 20, 2026
Bedbugs record

Building health score

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

D
Health score · Jul 29, 2026
Scored from all 246 public records for this building
Open Class C violations
Immediately hazardous, uncertified
This building 12
Open Class B violations
Hazardous
This building 39
Heat & hot water records
Violations and complaints, last 24 months
This building 0
Unpaid penalties
OATH/ECB summonses with balance due
This building $4,687
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. 246 records on file.

Download this timeline (CSV) →
Mar 20, 2026
Nov 18, 2025
Nov 14, 2025
Jun 10, 2025
May 28, 2025
Sep 23, 2024
May 28, 2024
May 28, 2024
May 28, 2024
May 28, 2024
Mar 20, 2024
Oct 9, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Jun 30, 2023
Jun 30, 2023
Jun 20, 2023
Apr 25, 2023
Mar 24, 2023
Feb 28, 2022
Jul 30, 2021
Jul 29, 2020
Jul 28, 2020
Mar 2, 2020
Feb 28, 2020
Feb 28, 2020
Dec 16, 2019

OATH / ECB summonses & fines

$4,687.00 is recorded as due across the 3 summonses below, out of $4,937.00 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 223 Knickerbocker Avenue
1795771May 28, 2025FAILURE TO FILE REQUIRED ANNUAL BOILER INSPECTION REPORTS FOR LOW-PRESAug 27, 2025DEFAULT$3,125.00
826608Jul 29, 2020FAILURE TO MAINTAIN BLDG IN CODE COMPLIANT MANNER. OBSERVED IN 4 STY BDec 9, 2020DEFAULT$1,562.00
597092Apr 6, 2009FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER. INSTALLATION/MAJun 4, 2009IN VIOLATION