Brooklyn · Block 3166 · Lot 1 · 11237

191 Knickerbocker Avenue

3 floors · 4 apartments · 5,800 sq ft · built 1931 · class S4 · owner of record: Diane Gonzalez

38open violations
$28,125ECB/OATH penalties owed
5HPD 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 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 (7) · $28,125 owed
IssuedViolationHearingBalance
Nov 16, 2020Construction CLASS - 1
FAILURE TO MAINTAIN BLDG WALL(S) OR APPURTENANCES.AT THE TIME OF INSPECTION & OBSERVE AT THE PREMISE FACING EXP #2 THE BLDG IS APPROX.6-8 INCHES SEPARATINGFROM ADJACENT AT 181 KNICKERBOCKER AVE(PLUMB LEVES)
#35542903P
Mar 31, 2021
DEFAULT
$12,500
Jul 31, 2020Construction CLASS - 1
NOTED: OBSERVED BUILDING IS APPROXIMATELY 8 INCHES OUT OF PLUMB AND LEANING TOWARDS THE SOUTH EAST ELEVATION (JEFFERSON STREET). SHOULD BE FURTHER EVALUATED BY A PROFESSIONAL ENGINEER., MAINTAIN EXTERIOR BUILDI
#39026192M
Dec 2, 2020
DEFAULT
$6,250
Mar 26, 2020Construction CLASS - 1
FAILURE TO MAINTAIN BLDG IN CODE COMPLIANT MANNER. THIS BLDG IS LEANING TO THE RIGHT-TOWARD JEFFERSON STREET. IT'S OBVIOUSLY OUT OF PLUMB WHICH MAKES IT DANGEROUS. IT NEEDS TO BE EXAMINED BY AN ENGINEER W/EXPER
#35468091X
Sep 2, 2020
DEFAULT
$6,250
Jan 8, 2020Construction CLASS - 1
FAILURE TO MAINTAIN BUILDING IN-CODE COMPLIANT MANNER. AT TIME OF INSPECTION OBSERVED A 3 STORY MIXED USE CORNER LOT, BUILDING LEANING TOWARD JEFFERSON STREET AND AWAY FROM NEIGHBORING BUILDING APPROXIMATELY 7"
#39015484K
Dec 11, 2020
DEFAULT
$3,125
Aug 29, 2017Boilers CLASS - 2
15,34B,50,50A,50B. 50-BOILER ROOM LIGHT DEFECTIVE; 50A- DEBRIS IN BOILER ROOM BLOCKING SAFE INSPECTION; 50B- DEBRIS IN CELLAR OT BOILER ROOM AND GAS METERS.
#32091094P
Jan 8, 2018
WRITTEN OFF
$0
May 9, 2017Boilers CLASS - 2
AS PER CLASS 1 (B265) 28-303.7 FAILURE TO FILE A COMPLETE BOILER INSPECTION REPORT AS PER DOB RECORDS. SUBMIT A CURRENT B09 REPORT.
#32088398R
Jun 26, 2017
DEFAULT
$0
Apr 25, 2017Boilers CLASS - 2
B265 AS PER CLASS (2) B265 28-303.7 FAILURE TO FILE A COMPLETE BOILERINSPECTION REPORT AS PER DOB RECORDS.
#32086963L
Jul 3, 2017
DEFAULT
$0
DOB (12)
IssuedViolationStatus
Nov 14, 2025LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION
#11223
DOB VIOLATION - ACTIVE
Sep 23, 2024LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION
#10145
DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
#13120
DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
#33495
DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION
#12704
DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
#34037
DOB VIOLATION - ACTIVE
Apr 25, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION
#18845
DOB VIOLATION - ACTIVE
Nov 20, 2020CONSTRUCTION
FTM BLDG SAFE CONDN:1 STORY GARAGE SHARED WITH W-F MULTIPLE DWELLING BRICK WALL @REAR OF GARAGE IN DETERIORATED CONDITION WITH LOOSE BRICK, SANDY MORTAR AND MISSING COPING.WATER PONDING ON ROOF.OWNER TO RETAIN PE&DOB REG CONTRACTOR TO EVALUATE GARAGE AND REPAIR UNDER PERMIT.FILE PLANS BY 1/15/2021.B
#FEU30402IK
DOB VIOLATION - ACTIVE
Nov 20, 2020CONSTRUCTION
FTM BLDG SAFE CONDN:ALL WALLS INDEP.ENTIRE BLDG LEAN TOWARDS EXP4.GAP BTWN EXP2 WALL&ADJ BLDG.ROOF FLASH AGAINST EXP2 BLDG TEARING/SEPARATNG EXP4 WALL BULG&LEAN OUT.WATER DMG@1FLR JOIST,LEAN CHIM@EXP2 REAR.OWNER TO RETN NYSPE TO EVAL ENTRE BLD&RPR UNDR PRMT.INCL OPTICAL MONITORING FILE PLANS FOR REP
#FEU30401IK
DOB VIOLATION - ACTIVE
Nov 8, 2019LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT
#11589
DOB VIOLATION - ACTIVE
Jan 12, 2018CONSTRUCTION

#CN0401RA
DOB VIOLATION - ACTIVE
Oct 4, 1989CONSTRUCTION

#ST401P-89
DOB VIOLATION - ACTIVE
DOB NOW Safety (10)
IssuedViolationStatus
Nov 14, 2025Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION
Active
Oct 31, 2025Gas Piping - LL152 FTF-PL-PER
Cycle 1, Sub-cycle C (premises is in Community District 4)
Active
Oct 31, 2025Gas Piping - LL152 FTF-PL-PER
Cycle 1, Sub-cycle C (premises is in Community District 4)
Active
Sep 23, 2024Boiler LBLVIO
Violation Issued-Failure To File 2023 External Low Pressure Inspection Report
Active
Jun 30, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
Active
Jun 30, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
Active
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
Apr 25, 2023Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2022 INSPECTION REPORT
Active
Nov 8, 2019Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT
Active
HPD (13) · C 5 · B 0 · A 8
IssuedClassViolationCorrect by
Jan 15, 2025A§ 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 HALLApr 20, 2025
Jan 15, 2025A§ 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR MISSING AT PUBLIC HALLApr 20, 2025
Jan 15, 2025AApt 3R · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CAULKING AROUND BATHTUB IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTHApr 20, 2025
Jan 15, 2025AApt 3R · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AROUND 1ST WINDOW RECESS FROM SOUTH AT WEST IN THE 4th ROOM FROM EAST LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTHApr 20, 2025
Jan 15, 2025A§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE MAILBOXES ( 2L, 2R, 3R) AT PUBLIC HALL, 1st STORYApr 20, 2025
Jan 15, 2025A§ 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTED AT PUBLIC HALLApr 20, 2025
Jan 15, 2025C§ 27-2033 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM MISSING AT PUBLIC HALLJan 21, 2025
Oct 1, 2009CApt 3L · SECTION 27-2005 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE AIR VALVE AT RADIATOR IN THE 3rd ROOM FROM EAST LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHOct 7, 2009
Oct 1, 2009CApt 3L · SECTION 27-2005 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE WOOD WINDOWS FRAMES IN THE 3rd ROOM FROM EAST LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHOct 7, 2009
Oct 1, 2009CApt 3L · SECTION 27-2005 ADM CODE REPLACE WITH NEW THE MISSING LOWER SASH GLASS PANE IN THE KITCHEN LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHOct 7, 2009
Oct 1, 2009AApt 3L · SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT WRITTEN IN ERROR IN THE KITCHEN LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHJan 4, 2010
Oct 1, 2009AApt 3L · SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ALL PEELING PAINT SURFACES IN THE 4th ROOM FROM EAST, THE 2nd ROOM FROM EAST, THE BATHROOM LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHJan 4, 2010
May 9, 2007CApt 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, 1st WINDOW FRAME FROM NORTH AT EAST WALL, 2nd WINDOW FRAME FROM NORTH AT EJun 4, 2007

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, 12:56 AM ET. BBL 3031660001.

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