Brooklyn · Block 3288 · Lot 1 · 11237

452 Knickerbocker Avenue

2 floors · 6,050 sq ft · built 1931 · class K2 · owner of record: Harold Gordon

24open violations
$0ECB/OATH penalties owed
0HPD class C (immediately hazardous)
69dto Gas piping inspection (2026 cycle)

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New violations the morning after they're issued, plus deadline reminders. Free for one building.

Compliance deadlines

RequirementDueStatus
Gas piping inspection (2026 cycle) Likely applies
Local Law 152 · During 2026
What this is

Buildings with gas piping (except one- and two-family homes) need a periodic gas piping inspection by a licensed master plumber every four years. Community district 4 is on the 2026 cycle; certification is filed with DOB after the inspection. Buildings with no gas piping file a certification instead. Agency page

Dec 31, 2026
in 69 days
Due this year
Annual parapet observation Check
Local Law 126 · By December 31 each year
What this is

If the building has a parapet facing a street, sidewalk or other public way, a competent person (such as a mason, engineer or architect) must observe it every year and the owner keeps the report for DOB on request. Detached one- and two-family homes are exempt. Agency page

Dec 31, 2026
in 69 days
Keep the report on file (not filed with DOB)
Annual boiler inspection (1 boiler) Applies
Boiler inspection · By December 31 each year
What this is

Boilers are inspected each calendar year and the report is filed in DOB NOW: Safety within 14 days of the inspection (low-pressure boilers in residential buildings of 5 or fewer families are exempt). Latest report on record: 2022-02-14 (Accepted). Agency page

Dec 31, 2026
in 69 days
1 of 1 without an accepted 2026 report yet

Open violations

ECB / OATH (1)
IssuedViolationHearingBalance
Nov 26, 2024Construction CLASS - 2
FAILURE TO MAINTAIN BUILDING IN A CODE COMPLIANT MANNER. PREMISES IS A 2 STORY COMMERCIAL BUILDING IN WHICH A TREE IS GROWING OUT OF A SECTION OF THE REAR WALL CAUSING BRICKS TO BE DISPLACED, REPAIR AND/OR REPL
#39131437X
Feb 5, 2025
STIPULATION/IN-VIO
$0
DOB (14)
IssuedViolationStatus
Dec 20, 2024IMMEDIATE EMERGENCY
INSTALL APPROXIMATELY 30 LINEAR FEET OF SIDEWALK SHED AT EXPOSURE 3 (MYRTLE AVENUE) AND ADDITIONAL 10 LINEAR FEET OF SIDEWALK SHED AT EXP4 OVER THE ALLEYWAY TO PROTECT THE AC UNITS AND TO SAFEGUARD THE PUBLIC AND PROPERTY
#18831
DOB VIOLATION - ACTIVE
Dec 16, 2024IMMEDIATE EMERGENCY
INSTALL APPROXIMATELY 70 LINEAR FEET OF SIDEWALK SHED AT EXPOSURE 3 (MYRTLE AVENUE) AND ADDITIONAL 10 OF SIDEWALK SHED AT EXP 4 OVER THE ALLEYWAY TO PROTECT THE AC UNITS AND TO SAFEGUARD THE PUBLIC AND PROPE RTY
#18831
DOB VIOLATION - ACTIVE
Dec 3, 2024IMMEDIATE EMERGENCY
1)INSTALL APPROXIMATELY 30 LINEAR FEET OF SIDEWALK SHED IN A CODE COMP LAINT MANNER AT CORNER OF EXPOSURE #3 & 4 (MYRLTE AVE) AND CATCHALL AT THE EXTENDED 5FT END FOR 1429 MYRTLE AVENUE SIDE. 2)INSTALL APPROX 10 FEET X 10 FEET ROOF PROTECTION FOR 1429 MYRTLE AVENUE
#18831
DOB VIOLATION - ACTIVE
Nov 27, 2024IMMEDIATE EMERGENCY
INSTALL APPROXIMATELY 70 LINEAR FEET OF SIDEWALK SHED AT EXPOSURE 3 (MYRTLE AVNUE) TO SAFEGUARD THE PUBLIC AND PROPERTY
#18831
DOB VIOLATION - ACTIVE
Sep 23, 2024LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION
#10354
DOB VIOLATION - ACTIVE
Nov 8, 2019LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT
#06543
DOB VIOLATION - ACTIVE
May 15, 2014LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2012 INSPECTION REPORT
#12184
DOB VIOLATION - ACTIVE
Dec 13, 2011LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT
#12051
DOB VIOLATION - ACTIVE
Jul 26, 2010CONSTRUCTION
STOP ALL WORK AT LOCATION
#0405JB
DOB VIOLATION - ACTIVE
Dec 31, 2009LOW PRESSURE BOILER

#14063
DOB VIOLATION - ACTIVE
Jan 19, 2007LOCAL LAW 62/91 - BOILERS

#11574
DOB VIOLATION - ACTIVE
Jan 6, 2006LOCAL LAW 62/91 - BOILERS

#11044
DOB VIOLATION - ACTIVE
Mar 26, 2002LOCAL LAW 62/91 - BOILERS

#20348
DOB VIOLATION - ACTIVE
Feb 27, 2001LOCAL LAW 62/91 - BOILERS

#19260
DOB VIOLATION - ACTIVE
DOB NOW Safety (9)
IssuedViolationStatus
Sep 23, 2024Boiler LBLVIO
Violation Issued-Failure To File 2023 External Low Pressure Inspection Report
Active
Nov 8, 2019Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT
Active
May 15, 2014Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2012 INSPECTION REPORT
Active
Dec 13, 2011Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT
Active
Dec 31, 2009Boiler LBLVIO
Active
Jan 19, 2007Boiler LL6291
Active
Jan 6, 2006Boiler LL6291
Active
Mar 26, 2002Boiler LL6291
Active
Feb 27, 2001Boiler LL6291
Active
HPD (0)

None open.

Check the agency records

Always confirm on the city's own systems before acting: DOB BIS property profile · DOB NOW · HPD Online · Pay ECB/OATH penalties (CityPay)

City records as of Oct 23, 2026, 9:43 AM ET. BBL 3032880001.

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