Brooklyn · Block 3175 · Lot 5 · 11237

203 Knickerbocker Avenue

3 floors · 4 apartments · 4,500 sq ft · built 1931 · class S9 · owner of record: Wing Fung Group Inc.

20open violations
$0ECB/OATH penalties owed
3HPD class C (immediately hazardous)
Overdueto Annual property registration

Get an email when anything changes here

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: 2025-12-05 (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 (1)
IssuedViolationHearingBalance
Feb 22, 2005Boilers Non-Hazardous
B4A 50 50A 50B 50- EXPOSED WOOD BEAMS ABOVE BOILER IN BOILER ROOM, MUST FIRE PROOF. 50A- HOLES IN WALLS IN BOILER ROOM, MUST SEAL. 50B- MISSING COVER PLATE FOR ELECTRICAL BOXE IN CEILING IN BOILER ROOM EXPOSING
#32046991M
Apr 11, 2005
IN VIOLATION
$0
DOB (0)

None open.

DOB NOW Safety (0)

None open.

HPD (19) · C 3 · B 12 · A 4
IssuedClassViolationCorrect by
Jun 16, 2025AApt 3R · § 27-2005 ADM CODE REPLACE WITH NEW THE MISSING WOOD CABINET AT SOUTH WALL IN THE KITCHEN LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTHSep 19, 2025
Jun 16, 2025CApt 3R · § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE VINYL FLOOR TILE IN THE KITCHEN LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTHJun 22, 2025
Oct 10, 2024AApt 3R · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE VINYL TILES AT FLOOR IN THE KITCHEN LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTJan 13, 2025
Oct 10, 2024AApt 3R · § 27-2005 ADM CODE PAINT METAL IN ACCORDANCE WITH DEPT. REGULATION STEAM PIPE IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTJan 13, 2025
Oct 10, 2024BApt 3R · § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE CLOSET DOOR IN THE 2nd ROOM FROM NORTH LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTNov 14, 2024
Oct 10, 2024BApt 3R · § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTNov 14, 2024
Oct 10, 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 NORTH AT EASTNov 5, 2024
Sep 19, 2024AApt 3R · § 27-2005 ADM CODE REPLACE WITH NEW THE MISSING BASE CABNET AT SOUTH WALL IN THE KITCHEN LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTHDec 23, 2024
Sep 19, 2024BApt 3R · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOODEN CLOSET DOOR AT NORTH WALL IN THE 3rd ROOM FROM EAST LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTHOct 24, 2024
Aug 30, 2023BApt 3R · § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE WOOD SUB FLOOR IN THE KITCHEN LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTOct 4, 2023
Sep 12, 2022BApt 3R · § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE MECHANICAL VENTILLATION IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTOct 17, 2022
Sep 12, 2022CApt 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 NORTH AT EASTOct 8, 2022
Sep 12, 2022BApt 3R · § 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM WINDOW TO FIRE ESCAPE OR PROVIDE APPROVED TYPE GATE A\C UNIT INSTALLED AT FIRE ESCAPE WINDOW IN THE KITCHEN LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTOct 17, 2022
Apr 29, 2022BApt 3R · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR NORTH WALL IN THE 3rd ROOM FROM NORTH LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTJun 3, 2022
May 12, 2014BApt 3R · § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR THAT IS DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, APARTMENT AT SOUTHJun 16, 2014
May 12, 2014BApt 3R · § 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, APARTMENT AT SOUTHJun 16, 2014
May 12, 2014BApt 3R · § 27-2005 HMC:TRACE AND REPAIR THE SOURCE AND ABATE THE NUISANCE CONSISTING OF MOLD ... AND MILDEW APPROX 8 SQUARE FEET IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, APARTMENT AT SOUTHJun 16, 2014
Jul 22, 2011BApt 3R · § 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, APARTMENT AT SOUTHAug 26, 2011
Oct 11, 2005BApt 3R · § 27-2018 ADM CODE ABATE THE NUISANCE CONSISTING OF VERMIN MICE AT ENTIRE APARTMENT, 3rd STORY, APARTMENTNov 20, 2005

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, 7:47 AM ET. BBL 3031750005.

Look up another building