Brooklyn · Block 3392 · Lot 7 · 11221

717 Knickerbocker Avenue

3 floors · 2 apartments · 3,259 sq ft · built 1925 · class S2 · owner of record: Khan Mohammad B

30open violations
$0ECB/OATH penalties owed
0HPD class C (immediately hazardous)
68dto 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 68 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 68 days
Keep the report on file (not filed with DOB)
Annual property registration Check
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

Sep 1, 2027
in 312 days
Required only if the owner doesn't live there
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: 2026-09-10 (Accepted). Agency page

On file2026 reports accepted

Open violations

ECB / OATH (0)

None open.

DOB (5)
IssuedViolationStatus
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
#06656
DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
#26593
DOB VIOLATION - ACTIVE
Apr 25, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION
#12835
DOB VIOLATION - ACTIVE
Apr 6, 2018LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT
#09736
DOB VIOLATION - ACTIVE
Feb 24, 2017LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2015 INSPECTION REPORT
#07645
DOB VIOLATION - ACTIVE
DOB NOW Safety (5)
IssuedViolationStatus
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
Apr 25, 2023Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2022 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
HPD (20) · C 0 · B 18 · A 2
IssuedClassViolationCorrect by
Sep 6, 2016BApt 2FL · SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF BEDBUGS IN THE ENTIRE APARTMENT LOCATED AT APT 2FL, 2nd STORY, 1st APARTMENT FROM NORTH AT EASTOct 11, 2016
Jul 3, 2008BSECTION 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF UNCAPPED GAS LINE AT SOUTH WALL, 3RD STY. APT. 2, KITCHEN.Aug 7, 2008
Jul 3, 2008BSECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF VERMIN MICE & ROACHES, 3RD STY. APT. 2.Aug 7, 2008
Jul 3, 2008BSECTION 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF EXPOSED ELECTRIC WIRE WALL TO CEILING, 3RD STY. APT. 2, BATHROOM.Aug 7, 2008
Jul 3, 2008BSECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR AT PRIVATE HALL, 3RD STY. APT. 2.Aug 7, 2008
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE ELECTRICAL LIGHT SYSTEM CEILING KITCHEN 2ND STY. APT. 1.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR WALLS & CEILING KITCHEN 2ND STY. APT. 1.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE INOPERABLE BALANCE LOWER SASHES WINDOWS FRONT ROOM 2ND STY. APT. 1.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE ELECTRICAL OUTLET WALL KITCHEN 2ND STY. APT. 1.Aug 19, 2006
Jul 3, 2006BSECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF VERMIN MICE & ROACHES THROUGHOUT 2ND STY. APT. 1.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR WALLS 1ST & 2ND ROOMS FROM FRONT, 2ND STY. APT. 1.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING DOOR ENTRANCE STREET TO VESTIBULE STY.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING KNOBS & LOCK ASSEMBLY DOOR VESTIBULE TO 1ST STY. PUBLIC HALL.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE BROKEN OR DEFECTIVE GLASS TRANSOME ENTRANCE DOOR FRAME STREET TO VESTIBULE 1ST STY.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005,2007 ADMIN. CODE: FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR GATES FROM WINDOW TO FIRE ESCAPE 2ND STY. APT. 1.Aug 19, 2006
Jul 3, 2006BSECTION 27-2038 ADMIN CODE: PROVIDE ADEQUATE LIGHTING FOR 60 WATTS 2ND STY. PUBLIC HALL.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE BROKEN OR DEFECTIVE CASEMENT WINDOW BATHROOM 2ND STY. APT. 1.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE PLASTER WALLS 2ND STY. PUBLIC HALL.Aug 19, 2006
Jul 3, 2006ASECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE WOOD PANEL UNDER WINDOW FRONT ROOM 2ND STY. APT. 1.Oct 18, 2006
Jul 3, 2006ASECTION 27-2005 ADMIN. CODE: REFIT DOOR WEST ENTRANCE TO FRONT ROOM 2ND STY. APT. 1.Oct 18, 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 24, 2026, 7:03 PM ET. BBL 3033920007.

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