Brooklyn · Block 3175 · Lot 3 · 11237

207 Knickerbocker Avenue

3 floors · 4 apartments · 4,500 sq ft · built 1931 · class S9 · owner of record: 207 Knickerbocker Llc

42open violations
$0ECB/OATH penalties owed
13HPD 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 70 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 70 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 70 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: 2025-12-13 (Accepted). Agency page

Dec 31, 2026
in 70 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 86 days
Annual

Open violations

ECB / OATH (2)
IssuedViolationHearingBalance
Jun 15, 2011Construction CLASS - 1
WORK W/O A PERMIT WORK NOTED IN THAT ON 2ND FLOOR APT #2R WAS SUBDIVIED INTO 2 APTS BOTH APTS HAVE FULL KITCHENS WITH GAS STOVE. 3PC BATHROOM & BEDROOM. ALL WORK DONE W/O APPROVALS & PERMITS. REMEDY: OBTAIN APP
#34917106Y
Nov 21, 2011
IN VIOLATION
$0
Jun 15, 2011Construction CLASS - 2
ALTERED BUILDING OCCUPIED W/O A VALID C OF O FOR ALTERATION #300430656 BUILDING WAS OCCUPIED AT TIME OF INSPECTION. REMEDY: OBTAIN A VALID C OF O.
#34917107X
Nov 21, 2011
IN VIOLATION
$0
DOB (6)
IssuedViolationStatus
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION
#05936
DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
#27413
DOB VIOLATION - ACTIVE
Sep 7, 2011FAIL TO CERTIFY CLASS 1
FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION
#00208
DOB VIOLATION - ACTIVE
Dec 31, 2009LOW PRESSURE BOILER

#13707
DOB VIOLATION - ACTIVE
Jan 26, 1999BOILER

#97763-01
VIOLATION HAZARDOUS - ACTIVE
Mar 6, 1996CONSTRUCTION

#04A01
VIOLATION UNSERVED ECB-ACTIVE
DOB NOW Safety (4)
IssuedViolationStatus
Jun 20, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION
Active
Jun 20, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
Active
Sep 7, 2011AEUHAZ FTC-AEU-HAZ
Active
Dec 31, 2009Boiler LBLVIO
Active
HPD (30) · C 13 · B 10 · A 7
IssuedClassViolationCorrect by
Sep 16, 2026B§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF PAINT BUCKETS, KITCHEN SINK ,MATTRESS AND GARBAGE BAGS WITH HOUSEHOLD GARBAGE AT PUBLIC HALL, 1st STORYOct 21, 2026
Sep 16, 2026C567 (C) § 27-2017, 27-2017.1, 27-2017.4, 27-2017.5, 27-2017.8, 27-2019, 27-2021 HMC: ABATE THE NUISANCE CONSISTING OF EVIDENCE OF RATS AND ALL UNDERLYING CAUSES CREATING THE PEST INFESTATIONS, BY USING INTEGRATED PEST MANAGEMENT (IPM), ELIMINATE ALL BURROW ENTRY AND PASSAGEWAYS, PEST NESTS, HOLES, GOct 12, 2026
Nov 14, 2025BApt 3L · § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... GREATER THAN 10SQ FEET AT THE CEILING IN THE BATHROOM LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM SOUTH AT WESTDec 19, 2025
May 13, 2025B§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF GARBAGE CANS AND CARDBOARD BOXES AT PUBLIC HALL, 1st STORYJun 17, 2025
May 13, 2025B§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS AT PUBLIC HALL, 3rd STORYJun 17, 2025
Apr 10, 2025B§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF GARBAGE AT PUBLIC HALL, 1st STORYMay 15, 2025
Sep 30, 2024CApt 3L · § 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) EAST WALL, WEST WALL IN THE 2nd ROOM FROM NORTH LOCATED AT APT 3L, 3rd STORY, 1st APARNov 7, 2024
Sep 30, 2024CApt 3L · § 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) SOUTH WALL, EAST WALL IN THE 4th ROOM FROM NORTH LOCATED AT APT 3L, 3rd STORY, 1st APANov 7, 2024
Sep 30, 2024CApt 3L · § 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) NORTH WALL, WEST WALL IN THE 3rd ROOM FROM NORTH LOCATED AT APT 3L, 3rd STORY, 1st APANov 7, 2024
Aug 26, 2024CApt 3L · § 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) CEILING, EAST WALL, WEST WALL IN THE 2nd ROOM FROM NORTH LOCATED AT APT 3L, 3rd STORY,Sep 19, 2024
Nov 15, 2021B§ 27-2010, 2011, 2012 ADM CODE CLEANSE AND DISINFECT TO THE SATISFACTION OF THIS DEPARTMENT AFTER REMOVING THE HOUSEHOLD GARBAGE AT PUBLIC HALL, 1st STORYDec 20, 2021
Nov 15, 2021CApt 2L · HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTHDec 11, 2021
Nov 15, 2021CApt 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 11, 2021
Nov 15, 2021CApt 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 EAST AT SOUTHDec 11, 2021
Apr 6, 2018B§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CONCRETE FLOOR REAR NORTH AND SOUTH FRONT AT CELLARMay 11, 2018
Apr 6, 2018A§ 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON AREA OF A CLASS A MULTIPLE DWELLING NEAR INSPECTION CERTIFICATE OR PROVIDE NOTICE TO TENANTS IN A PRIVATE DWELLING. AT PUBLIC HALL, 1st STORYJul 10, 2018
Apr 6, 2018A§ 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD. AT PUBLIC HALL, 1st STORYJul 10, 2018
Mar 6, 2017B§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF TABLE AND HOUSEHOLD ARTICLES , 1st STORYApr 10, 2017
Sep 12, 2016CApt 3L · § 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) CEILING IN THE 6th ROOM FROM EAST LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHOct 10, 2016
Sep 12, 2016B§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF STROLLERS, METAL LADDERS, SHOPPING CART, PAINT CANS, CASES AND BAGS OF EMPTY BOTTLES AND BAGS OF GARBAGE, ALL STORIES AT PUBLIC HALLOct 17, 2016
Sep 12, 2016CApt 3L · § 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) CEILING IN THE BATHROOM LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHOct 10, 2016
Sep 6, 2016A§ 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD. AT PUBLIC HALL, 1st STORYDec 10, 2016
Aug 26, 2016A§ 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON AREA OF A CLASS A MULTIPLE DWELLING NEAR INSPECTION CERTIFICATE OR PROVIDE NOTICE TO TENANTS IN A PRIVATE DWELLING. AT PUBLIC HALL, 1st STORYNov 29, 2016
Jul 13, 2016A§ 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD., 1st STORYOct 16, 2016
Mar 13, 2015A§ 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD.Jun 16, 2015
May 22, 2008B§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE PLASTERBOARD CEILING REAR CELLAR.Jun 26, 2008
May 22, 2008AD26-21.03 ADM CODE PAINT OR POST A SIGN INDICATING FLOORS ON WALL AT OR NEAR STAIR ALL STY PUBLIC HALL.Aug 25, 2008
Sep 5, 1989CApt 3L · § 27-2013 ADM CODE REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT CEILING 2ND ROOM FROM FRONT 3 STY NORTH APT 3L NUNEZ NO PHONE ER1 , SECTION '' ''Sep 25, 1989
Sep 5, 1989CApt 3L · § 27-2013 ADM CODE REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT CEILING 3 STY HORTH APT 3L KITCHEN NUNEZ NO PHONE ER1. , SECTION '' ''Sep 25, 1989
Sep 5, 1989CApt 3L · § 27-2013 ADM CODE REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT NORTH WALL FRONT ROOM 3 STY NORTH APT 3L NUNEZ NO PHONE ER1. , SECTION '' ''Sep 25, 1989

Issued in the last 120 days

DateSourceWhatNow
Sep 16, 2026HPD B§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF PAINT BUCKETS, KITCHEN SINK ,MATTRESS AND GARBAGE BAGS WITH HOUSEHOLD GARBAGE AT PUBLIC HALL, 1st STORYOpen
Sep 16, 2026HPD C567 (C) § 27-2017, 27-2017.1, 27-2017.4, 27-2017.5, 27-2017.8, 27-2019, 27-2021 HMC: ABATE THE NUISANCE CONSISTING OF EVIDENCE OF RATS AND ALL UNDERLYING CAUSES CREATING THE PEST INFESTATIONS, BY USING INTEGRATED PEST MANAGEMENT (IPM), ELIMINATE ALL BURROW ENTRY AND PASSAGEWAYS, PEST NESTS, HOLES, GOpen

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 22, 2026, 1:21 PM ET. BBL 3031750003.

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