Brooklyn · Block 3326 · Lot 4 · 11221

533 Knickerbocker Avenue

4 floors · 8 apartments · 9,000 sq ft · built 1905 · class C1 · owner of record: 533 Knickerbocker Llc

10open violations
$0ECB/OATH penalties owed
4HPD 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: 2025-12-18 (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 (0)

None open.

DOB NOW Safety (0)

None open.

HPD (10) · C 4 · B 2 · A 4
IssuedClassViolationCorrect by
Aug 20, 2026AApt 2R · § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ALL PEELING PAINT SURFACES IN THE BATHROOM LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EASTNov 23, 2026
Aug 20, 2026AApt 2R · § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE SOUTH, WEST, AND NORTH WALLS IN THE FOYER LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EASTNov 23, 2026
Aug 20, 2026AApt 2R · § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE EAST, SOUTH, WEST, AND NORTH WALLS IN THE KITCHEN LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EASTNov 23, 2026
Aug 20, 2026AApt 2R · § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE NORTH AND SOUTH WALLS IN THE PRIVATE HALLWAY LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EASTNov 23, 2026
Apr 14, 2023BApt 2R · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT 1st WINDOW FRAME FROM WEST AT NORTH WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 2R, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTHMay 19, 2023
Apr 14, 2023CApt 2R · HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTHMay 10, 2023
Aug 31, 2021CApt 4L · HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM WEST AT NORTHSep 26, 2021
Apr 26, 2021CApt 2LEFT · HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2LEFT, 2nd STORY, 1st APARTMENT FROM NORTH AT EASTMay 22, 2021
Mar 30, 2021CApt 2L · § 27-2005, 27-2007, 27-2041.1 HMC: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE ..... IN THE ENTRANCE LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM NORTH AT EASTApr 25, 2021
Mar 30, 2021BApt 2L · § 27-2005 ADM CODE PROPERLY SECURE THE LOOSE CABINET AT NORTH WALL IN THE KITCHEN LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM NORTH AT EASTMay 4, 2021

Issued in the last 120 days

DateSourceWhatNow
Aug 20, 2026HPD A§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ALL PEELING PAINT SURFACES IN THE BATHROOM LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EASTOpen
Aug 20, 2026HPD A§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE SOUTH, WEST, AND NORTH WALLS IN THE FOYER LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EASTOpen
Aug 20, 2026HPD A§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE EAST, SOUTH, WEST, AND NORTH WALLS IN THE KITCHEN LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EASTOpen
Aug 20, 2026HPD A§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE NORTH AND SOUTH WALLS IN THE PRIVATE HALLWAY LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EASTOpen

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, 3:35 PM ET. BBL 3033260004.

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