OpenViolations
/

727 Knickerbocker Avenue

BrooklynBIN 3078029
3 open Class C$6,250.00 recorded as dueHPD registration valid
Export CSV
OverviewHealth scoreTimelineFinesOwner

727 Knickerbocker Avenue at a glance

727 Knickerbocker Avenue, Brooklyn has 5 open city records on file, 3 of them Class C (immediately hazardous), and $6,250.00 recorded as due on OATH/ECB summonses. The most recent record is dated Apr 30, 2026.

Open Class C
3
Immediately hazardous
Open Class B
2
Hazardous
Open Class A
0
Non-hazardous
Fines due
$6,250.00
Balance on OATH/ECB summonses
Permits on file
0
DOB permit records
Last activity
Apr 30, 2026
Bedbugs record

Health score for 727 Knickerbocker Avenue

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

C
Health score · Aug 4, 2026
Scored from the 300 most recent of 308 public records for this building
Open Class C violations
Immediately hazardous, uncertified
This building 3
Open Class B violations
Hazardous
This building 2
Heat & hot water records
Violations and complaints, last 24 months
This building 1
Unpaid penalties
OATH/ECB summonses with balance due
This building $6,250
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

Record timeline for 727 Knickerbocker Avenue

Records from every agency, interleaved. Showing the 300 most recent of 308 records on file; the CSV below has the full history.

Download this timeline (CSV) →
Apr 30, 2026
Apr 28, 2026
Apr 28, 2026
Apr 28, 2026
Apr 28, 2026
Apr 22, 2026
Jun 10, 2025
Jun 10, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 26, 2025
Feb 12, 2025
Feb 12, 2025
Feb 12, 2025
Feb 11, 2025
Jun 24, 2024
Jun 24, 2024
Jun 22, 2024
Jun 11, 2024

OATH / ECB summonses & fines at 727 Knickerbocker Avenue

$6,250.00 is recorded as due across the 16 summonses below, out of $68,810.00 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 727 Knickerbocker Avenue
1833288Apr 28, 2026UNLAWFUL ACTS. FAILURE TO COMPLY WITH COMMISSIONER'S ORDER FOR SUMMONSOct 5, 2026PENDING$2,500.00
1833289Apr 28, 2026WORK DOES NOT CONFORM TO APPROVED CONSTRUCTION DOCUMENTS AND/OR APPROVOct 5, 2026PENDING$2,500.00
1512986Apr 28, 2026FAILURE TO CONDUCT OR FILE A FINAL INSPECTION OF PERMITTED WORK WITH TSep 4, 2026PENDING$1,250.00
1738466Feb 12, 2025WORK WITHOUT A PERMIT. AT TIME OF INSPECTION. AT TIME INSPECTION, OBSEAug 20, 2025IN VIOLATION
1812536Feb 12, 2025FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER. AT TIME INSPECTAug 20, 2025IN VIOLATION
1403172Jun 4, 2024Ý4¨RINNAI CU199IN HWH'S 800,000BTU'S TOTAL VENTING ONTO PUBLIC SIDE WAAug 14, 2024STIPULATION/IN-VIO
740486Jun 12, 2013FAIL TO COMPLY W/COMMISSIONER ORDER TO FILE CERT OF CORRECTION W/DOB FJul 29, 2013WRITTEN OFF
1688789Feb 15, 2013OCCUPANCY CONTRARY TO THAT ALLOWED BY COFO OR BLDG DEPT RECORDS.BUILDIApr 1, 2013WRITTEN OFF
734920Jan 5, 2012FAILURE TO COMPLY W/THE COMMISSIONER'S ORDER TO FILE A C OF C W/THE DESep 26, 2014WRITTEN OFF
734514Nov 22, 2011FAILURE TO COMPLY W/ THE COMMISSIONER'S ORDER TO FILE A CERTIFICATE OFJan 9, 2012WRITTEN OFF
1688706Sep 16, 2011OCCUPANCY CONTRARY TO THAT ALLOWED BY THE C/O OR C OF O#301110143F INDOct 31, 2011WRITTEN OFF
1693309Apr 22, 2011FAILURE TO MAINTAIN BLDG IN CODE COMPLIANT MANNER:INSTALLATION OF PLUMJun 6, 2011WRITTEN OFF
1711811Jan 26, 2011FAILURE TO FILE CERTIFICATE OF CORRECTION FOR VIO'S #34883154X #348831Sep 26, 2014WRITTEN OFF
1688687Oct 23, 2010FAILURE TO MAINTAIN BLDG IN CODE COMPLAINT MANNER.USE OF PROHIBITED HASep 24, 2014WRITTEN OFF
1688690Oct 23, 2010OCCUPANCY CONTRARY TO COFO.NOTE:COFO#301110143F INDICATES C1 WALK-UP ASep 26, 2014WRITTEN OFF
1688553Jul 29, 2005OCCUPANCY CONTRARY TO THAT ALLOWED BY THE BUILDING DEPARTMENT RECORDS-Sep 25, 2006IN VIOLATION