Brooklyn · Block 3365 · Lot 102 · 11221

653 Knickerbocker Avenue

4 floors · 8 apartments · 6,500 sq ft · built 1931 · class C1 · owner of record: Bw Heiden Llc

34open violations
$0ECB/OATH penalties owed
9HPD 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: 2025-10-07 (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 (10)
IssuedViolationHearingBalance
Dec 12, 2018Construction CLASS - 2
WORK W/O A PERMIT. I OBSERVED IN THE CELLAR AREA NEWLY-INSTALLED SANI TARY WASTE PIPING FOR THE BUILDING...ALL THE PLUMBING WORK AND INSTAL LATION WAS DONE W/O A PERMIT...RMDY: OBTAIN PERMIT.
#35352370Y
Jul 2, 2019
IN VIOLATION
$0
Jul 11, 2013Unknown CLASS - 2
FAILURE TO SECURE/SUPPORT RACEWAYS/CABLE ASSEMBLIES/BOXES/CABINETS/FITTINGS. BOXES AND CABLES ARE NOT SECURE IN BASEMENT. ALSO SEE OBJECTIONISSUED TO OWNER ON 11.12.1986 FOR CABLES NOT SECURE #B011014; WHICH IS
#34997567J
Nov 12, 2013
IN VIOLATION
$0
Jul 11, 2013Unknown CLASS - 1
ELECTRICAL WORK W/O A PERMIT. 1 NEW FEEDER BASEMENT. REMEDY: OBTAIN PERMIT.
#34997565X
Nov 12, 2013
IN VIOLATION
$0
Jul 11, 2013Unknown CLASS - 1
FAILURE TO GROUND ELECTRICAL SYSTEMS. WATER MAIN GROUND IS NOT PROVIDED IN BASEMENT. ALSO SEE OBJECTION ISSUED TO OWNER ON 12.11.10 & 7.7.10& 11.12.86 NO GROUND PROVIDED. #B334377 & B329054 & B011014 WHICH IS
#34997564Y
Nov 4, 2013
IN VIOLATION
$0
Jul 11, 2013Unknown CLASS - 1
UNAPPROVED/UNSAFE/UNSUITABLE ELECTRICAL EQUIPMENT, APPARATUS MATERIALS, DEVICES, APPLIANCES OR WIRING IN USE. DEFECTIVE FIXTURES IN USE IN BASEMENT.ALSO SEE OBJECTION ISSUED TO OWNER ON 11.12.1986FOR DEFECTIVE
#34997566H
Nov 12, 2013
IN VIOLATION
$0
Jul 11, 2013Unknown CLASS - 2
FAILURE TO PROVIDE COVER/FACEPLATE/LAMP HOLDER/LUMINAIRE CANOPY FOR ELECTICAL OUTLETS. BOXES NOT COVERED IN BASEMENT. ALSO SEE OBJECTION ISSUED TO OWNER ON 11.12.1986. FOR BOXES NOT COVERED #B011014 WHICH IS
#34997568L
Nov 12, 2013
IN VIOLATION
$0
Mar 20, 2009Construction CLASS - 1
FAILURE TO COMPLY W/COMM'S ORDER TO CORRECT VIO #34687479X FOR WORK W/O PERMIT @ CELLAR INSTALLED PLUMBING & PARTITIONS FOR 1 ILLEGAL CLASS A APT. NO RECORD OF CORRECTION. REM: COMPLY W/ COMM'S ORDER & OBTAIN
#34770237K
Jul 2, 2009
IN VIOLATION
$0
Aug 1, 2008Quality of Life CLASS - 1
RESIDENCE ALTERED FOR OCCUPANCY AS A DWELLING FOR MORE THAN THE LEGALLY APPROVED NUMBER OF FAMILIES PER MDR # 341948 THE BUILDING IS LEGAL FOR 8 APTS NOW THE CELLAR-PARTITIONS ERECTED CREATING ONE ROOM, KITCHEN
#34687478Y
Oct 28, 2009
IN VIOLATION
$0
Aug 1, 2008Construction CLASS - 1
WORK W/O A PERMIT. AT CELLAR LEVEL PARTITIONS HAS BEEN ERECTED CREATING ONE ROOM, KITCHEN W/STOVE & SINK AND BATHROOM (3 PC) REMEDY: OBTAIN PERMIT OR RESTORE TO PRIOR LEGAL CONDITION.
#34687479X
Oct 28, 2009
IN VIOLATION
$0
Jun 8, 2007HPD Hazardous
OCCUPANCY CONTRARY TO THAT ALLOWED BY C OF O & DOB RECORDS CLASS 'A' APT CREATED AT CELLAR FIXTURES PRESENT.REMEDY:RESTORE PREMISES TO LEGALOCUPANCY.
#34562163K
Aug 27, 2007
WRITTEN OFF
$0
DOB (5)
IssuedViolationStatus
Mar 6, 2019FAIL TO CERTIFY CLASS 1
FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION
#00702
DOB VIOLATION - ACTIVE
Aug 16, 1993LOCAL LAW 62/91 - BOILERS

#37115
DOB VIOLATION - ACTIVE
Jun 14, 1989CONSTRUCTION

#STU06
DOB VIOLATION - ACTIVE
Jun 14, 1989CONSTRUCTION

#STU08
DOB VIOLATION - ACTIVE
Jun 14, 1989CONSTRUCTION

#STU09
DOB VIOLATION - ACTIVE
DOB NOW Safety (1)
IssuedViolationStatus
Mar 6, 2019AEUHAZ FTC-AEU-HAZ
Active
HPD (18) · C 9 · B 7 · A 2
IssuedClassViolationCorrect by
Jun 4, 2026A§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT AT CEILING AND SOUTH WALL AT PUBLIC HALL, 4th STORYSep 7, 2026
Jun 4, 2026A§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT MATERIAL AT CEILING AND SOUTH WALL AT PUBLIC HALL, 4th STORYSep 7, 2026
Apr 1, 2026CApt 1R · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE KITCHEN LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTHApr 7, 2026
Apr 1, 2026BApt 1L · § 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 1L, 1st STORY, 1st APARTMENT FROM WEST AT NORTHMay 6, 2026
Apr 1, 2026BApt 1L · § 27-2037, 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES AT THE NORTH WALL IN THE KITCHEN LOCATED AT APT 1L, 1st STORY, 1st APARTMENT FROM WEST AT NORTHMay 6, 2026
Apr 1, 2026CApt 4L · § 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF HOT WATER EXCEEDING THE MAXIMUN ALLOWABLE TEMPERATURE OF 130 DEGREES. IN THE ENTIRE APARTMENT LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM WEST AT NORTHApr 7, 2026
Apr 1, 2026CApt 1R · § 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING TO NORTH WALL IN THE KITCHEN LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTHApr 7, 2026
Apr 1, 2026CApt 4L · § 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 4L, 4th STORY, 4th APARTMENT FROM NORTH AT EASTApr 7, 2026
Apr 1, 2026C§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING STRING AT VESTIBULE DOOR AT PUBLIC HALL, 1st STORYApr 7, 2026
Oct 3, 2022CApt 4L · HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4L, 4th STORY, 4th APARTMENT FROM NORTH AT EASTOct 29, 2022
Mar 8, 2022BApt 1R · § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROX, 4 SQ. FT. AT CEILING IN THE BATHROOM LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM NORTH AT EAST ORIGINAL VIOLATION 14668154 ISSUED 03-NOV-21 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.Apr 12, 2022
Feb 10, 2022BApt 1R · § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROXIMATELY 2 SQ.FEET AT CEILING IN THE KITCHEN LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH ORIGINAL VIOLATION 14594204 ISSUED 02-OCT-21 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-Mar 17, 2022
Jan 21, 2022BApt 1R · § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROX 1 SQUARE FOOT AT CEILING IN THE KITCHEN LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH ORIGINAL VIOLATION 14568566 ISSUED 21-SEP-21 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-201Feb 25, 2022
Dec 1, 2021CApt 4L · § 27-2056.7, 27-2056.8, 27-2056.9 ADM CODE -CERTIFY COMPLIANCE WITH LEAD-BASED PAINT HAZARD CONTROL REQUIREMENTS DURING PERIOD OF UNIT VACANCY BY PERFORMING ACTIVITIES NECESSARY TO ABATE PRESUMED LEAD-BASED PAINT FROM REQUIRED WINDOW AND/OR DOOR FRICTION SURFACES FOR APARTMENT AND MAKE FLOORS SMOOTHDec 25, 2021
Nov 18, 2021CApt 4L · HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM WEST AT NORTHDec 14, 2021
Nov 8, 2021BApt 1R · § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROX, 10 SQ. FT. AT CEILING IN THE KITCHENETTE LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM NORTH AT EASTDec 13, 2021
Oct 2, 2019CApt 2L · HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHOct 23, 2019
Sep 11, 2018BApt 2L · § 27-2005 HMC:TRACE AND REPAIR THE SOURCE AND ABATE THE NUISANCE CONSISTING OF MOLD ... AT CEILING 2 SQ FT IN THE BATHROOM LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM SOUTH AT WESTOct 16, 2018

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, 2:33 AM ET. BBL 3033650102.

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