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334 Knickerbocker Avenue

BrooklynBIN 3073571
HPD registration valid
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OverviewHealth scoreTimelineFinesOwner
Open Class C
0
Immediately hazardous
Open Class B
0
Hazardous
Open Class A
0
Non-hazardous
Fines due
$0.00
Balance on OATH/ECB summonses
Permits on file
21
DOB permit records
Last activity
Dec 19, 2023
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 42 public records for this building
Open Class C violations
Immediately hazardous, uncertified
This building 0
Open Class B violations
Hazardous
This building 0
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. 42 records on file.

Download this timeline (CSV) →
Dec 22, 2025
Dec 9, 2024
Dec 19, 2023
Dec 22, 2022
Dec 28, 2021
Jul 22, 2021
Nov 10, 2016
Mar 2, 2012
Mar 2, 2012
Feb 29, 2012
Feb 29, 2012
Apr 20, 2011
Feb 24, 2011
Feb 10, 2011
Nov 12, 2010
Oct 7, 2010
Oct 7, 2010
Aug 17, 2010
Jun 22, 2010
Feb 10, 2010
Nov 27, 2009
Sep 25, 2009
Sep 25, 2009
Aug 14, 2009
Apr 10, 2009
Jan 28, 2009
Jan 28, 2009
Jan 28, 2009
Jan 28, 2009
Jan 27, 2009

OATH / ECB summonses & fines

No balance is recorded as due across the 3 summonses below, out of $2,085.00 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 334 Knickerbocker Avenue
20138Apr 20, 2011WORK DOES NOT CONFORM TO APPROVED CONSTRUCTION DOCUMENTS AND/OR APPROVOct 27, 2011IN VIOLATION—
30479Jan 27, 2009MISC VIOLATIONS. FAILURE TO PROVIDE 3FT 6INCH GUARDRAIL OR EQUIPMENT AMay 27, 2009IN VIOLATION—
538419Mar 19, 1991ALTERED BUILDING OCCUPIED WITHOUT A VALID CERTIFICATE OF OCCUPANCY UNDMay 6, 1991STIPULATION/IN-VIO—