Brooklyn · Block 3392 · Lot 10 · 11221

711 Knickerbocker Avenue

4 floors · 6 apartments · 6,880 sq ft · built 1910 · class S5 · owner of record: 711 Nyc Llc

20open violations
$0ECB/OATH penalties owed
6HPD 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 66 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 66 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 66 days
Annual
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 82 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: 2026-09-28 (Accepted). Agency page

On file2026 reports accepted

Open violations

ECB / OATH (0)

None open.

DOB (2)
IssuedViolationStatus
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION
#14078
DOB VIOLATION - ACTIVE
Aug 16, 1993LOCAL LAW 62/91 - BOILERS

#25694
DOB VIOLATION - ACTIVE
DOB NOW Safety (1)
IssuedViolationStatus
Jun 20, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION
Active
HPD (17) · C 6 · B 6 · A 5
IssuedClassViolationCorrect by
Sep 19, 2025BApt 3R · § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT LESS THAN 10 SQFT CEILING IN THE BATHROOM CEILING IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST ORIGINAL VIOLATION 17907811 ISSUED 20-MAY-25 HAS BEEN UPGRADED TO CLASS B PER ADMINOct 24, 2025
Nov 29, 2024BApt 3R · § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROXIMATELY 10 SQFT AT THE CEILING IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHJan 3, 2025
Nov 29, 2024CApt 3R · HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHDec 25, 2024
Nov 29, 2024CApt 3R · HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHDec 25, 2024
Aug 29, 2023AApt 3R · § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE WEST WALL IN THE PRIVATE HALLWAY LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHDec 2, 2023
Aug 29, 2023AApt 3R · § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE EAST WALL IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHDec 2, 2023
Aug 29, 2023AApt 3R · § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE EAST WALL IN THE 1st ROOM FROM NORTH AT EAST LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHDec 2, 2023
Aug 29, 2023BApt 3R · HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF VERMIN THE CEILING, SOUTH WALL IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHOct 3, 2023
Jul 25, 2023CApt 3R · § 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE KITCHEN LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHJul 31, 2023
Jul 25, 2023CApt 3R · § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE WINDOW GLASS PANE AT LOWER SASH FIRST WINDOW FROM SOUTH AT WEST IN THE KITCHEN LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHJul 31, 2023
Nov 15, 2022AApt 3F · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE BATHROOM LOCATED AT APT 3F, 3rd STORY, APARTMENT AT WESTFeb 18, 2023
Jan 22, 2019CApt 3R · § 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING KEY OPERATED LOCK AT ROOM DOOR TO FIRE ESCAPE IN THE 4th ROOM FROM NORTH LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTJan 30, 2019
Mar 30, 2016CApt 3F · SECTION 27-2043.1 HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 3; WG TO REPLACE = 0; WG TO REPAIR = 0; IN THE ENTIRE APARTMENT LOCATED AT APT 3F, 3rd STORY, 1Apr 27, 2016
Mar 4, 2015BApt 3R · SECTION 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK CONCEALED WATER LEAK CEILING IN THE 1st BEDROOM FROM NORTH LOCATED AT APT 3R, 3rd STORYApr 8, 2015
Mar 2, 2015BApt 3R · SECTION 27-2005 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE RADIATOR SHUT OFF VALVES IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, APARTMENT AT NORTHApr 6, 2015
Oct 27, 2014AApt 2F · SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ALL PEELING PAINT SURFACES IN THE BATHROOM , THE FOYER , THE 1st ROOM FROM EAST, THE 4th ROOM FROM EAST AT NORTH, THE 4th ROOM FROM EAST AT SOUTH, THE 5th ROOM FROM EAST AT NORTH, THE 3rd ROOM FROM EAST LOJan 30, 2015
Oct 16, 2006BApt 2R · SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT WALLS IN THE KITCHEN LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHNov 25, 2006

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 26, 2026, 5:16 AM ET. BBL 3033920010.

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