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Brooklyn · Block 3391 · Lot 30 · 11221

718 Knickerbocker Avenue

3 floors · 4 apartments · 5,850 sq ft · built 1910 · class S4 · owner of record: 718 Realty Group Llc

48open violations
$0ECB/OATH penalties owed
1HPD class C (immediately hazardous)
Overdueto Annual property registration

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

Compliance deadlines

RequirementDueStatus
Annual property registration Applies
HPD registration · September 1 each year
What this is

Residential buildings with three or more units, and one- and two-family homes the owner doesn't occupy, register with HPD every year ($13 fee). An unregistered building can't start a nonpayment case in Housing Court and faces civil penalties. Agency page

OverdueRegistration expired 2026-09-01
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)
Bedbug annual filing Applies
Local Law 69 · December 1 to 31 each year
What this is

Owners of multiple dwellings file their bedbug infestation history for the prior year with HPD and post or distribute it to tenants. Agency page

Dec 31, 2026
in 69 days		Annual
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: 2022-07-22 (Accepted). Agency page

Dec 31, 2026
in 69 days		1 of 1 without an accepted 2026 report yet
Annual notice: window guards and lead paint Applies
HPD / Health Code · January 1 to 16 each year
What this is

Deliver the annual notice to every unit asking whether a child lives there (window guards for children 10 and under; lead paint for children under 6 in pre-1960 buildings), then follow up on units that don't return it by mid-February. Agency page

Jan 16, 2027
in 85 days		Annual

Open violations

ECB / OATH (0)

None open.

DOB (21)
IssuedViolationStatus
Nov 14, 2025LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION
#11546		DOB VIOLATION - ACTIVE
Sep 23, 2024LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION
#10492		DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
#36174		DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
#16011		DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION
#17005		DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
#37412		DOB VIOLATION - ACTIVE
Nov 8, 2019LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT
#07702		DOB VIOLATION - ACTIVE
Apr 6, 2018LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT
#09724		DOB VIOLATION - ACTIVE
Feb 24, 2017LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2015 INSPECTION REPORT
#07632		DOB VIOLATION - ACTIVE
Oct 1, 2015LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2014 INSPECTION REPORT
#06968		DOB VIOLATION - ACTIVE
Mar 3, 2015LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2013 INSPECTION REPORT
#10924		DOB VIOLATION - ACTIVE
May 15, 2014LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2012 INSPECTION REPORT
#13111		DOB VIOLATION - ACTIVE
Feb 13, 2004LOCAL LAW 62/91 - BOILERS

#15339		DOB VIOLATION - ACTIVE
Mar 19, 2003LOCAL LAW 62/91 - BOILERS

#19314		DOB VIOLATION - ACTIVE
Feb 27, 2001LOCAL LAW 62/91 - BOILERS

#19521		DOB VIOLATION - ACTIVE
May 4, 1998LOCAL LAW 62/91 - BOILERS

#20131		DOB VIOLATION - ACTIVE
Feb 10, 1997LOCAL LAW 62/91 - BOILERS

#25298		DOB VIOLATION - ACTIVE
Aug 29, 1995LOCAL LAW 62/91 - BOILERS

#27496		DOB VIOLATION - ACTIVE
Jun 1, 1994LOCAL LAW 62/91 - BOILERS

#09667		DOB VIOLATION - ACTIVE
Aug 16, 1993LOCAL LAW 62/91 - BOILERS

#25650		DOB VIOLATION - ACTIVE
Jun 1, 1993LOCAL LAW 62/91 - BOILERS

#09666		DOB VIOLATION - ACTIVE
DOB NOW Safety (21)
IssuedViolationStatus
Nov 14, 2025Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION		Active
Sep 23, 2024Boiler LBLVIO
Violation Issued-Failure To File 2023 External Low Pressure Inspection Report		Active
Nov 14, 2023Boiler FTC-BE-EXT-LP
Violation Issued-Failure To File 2022 External Inspection Affirmation of Correction for LP Device		Active
Jun 30, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION		Active
Jun 30, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION		Active
Jun 20, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION		Active
Jun 20, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION		Active
Nov 8, 2019Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT		Active
Apr 6, 2018Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT		Active
Feb 24, 2017Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2015 INSPECTION REPORT		Active
Oct 1, 2015Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2014 INSPECTION REPORT		Active
Mar 3, 2015Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2013 INSPECTION REPORT		Active
May 15, 2014Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2012 INSPECTION REPORT		Active
Feb 13, 2004Boiler LL6291
Active
Mar 19, 2003Boiler LL6291
Active
Feb 27, 2001Boiler LL6291
Active
May 4, 1998Boiler LL6291
Active
Feb 10, 1997Boiler LL6291
Active
Aug 29, 1995Boiler LL6291
Active
Jun 1, 1994Boiler LL6291
Active
Jun 1, 1993Boiler LL6291
Active
HPD (6) · C 1 · B 3 · A 2
IssuedClassViolationCorrect by
May 23, 2024C§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE AT BOILER ROOM, HINGES DEFECTIVE. AT CELLARJun 6, 2024
May 28, 2008BD26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE PLASTERBOARD CLG CELLAR THROUGHOUT.Jul 2, 2008
May 28, 2008BD26-11.01, 11.03, 11.05 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE CELLAR THROUGHOUT.Jul 2, 2008
May 28, 2008BD26-11.01, 11.03, 11.05 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE CELLAR THRU OUT.Jul 2, 2008
May 28, 2008AD26-10.01 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE PAVING CELLAR FLOOR THRU OUT.Aug 31, 2008
May 28, 2008A§ 300 M/D LAW FILE PLANS AND APPLICATION AND LEGALIZE THE FOLLOWING ALTERATION OR RESTORE TO THE LEGAL CONDITION EXISTING PRIOR TO THE MAKING OF SAID ALTERATION WOOD PARTITIONS ERRECTED CELLAR THROUGHOUT.Aug 31, 2008

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, 3:29 PM ET. BBL 3033910030.

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