Brooklyn · Block 3431 · Lot 8 · 11207

859 Knickerbocker Avenue

2 floors · 2 apartments · 2,700 sq ft · built 1931 · class S2 · owner of record: 859 Knickerbocker Llc

34open violations
$0ECB/OATH penalties owed
1HPD class C (immediately hazardous)
69dto Gas piping inspection (2026 cycle)

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
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)
Annual property registration Check
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

Sep 1, 2027
in 313 days
Required only if the owner doesn't live there

Open violations

ECB / OATH (0)

None open.

DOB (8)
IssuedViolationStatus
Nov 14, 2025LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION
#11599
DOB VIOLATION - ACTIVE
Sep 23, 2024LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION
#10540
DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
#11181
DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
#31599
DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION
#10084
DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
#31893
DOB VIOLATION - ACTIVE
Apr 25, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION
#15755
DOB VIOLATION - ACTIVE
Nov 8, 2019LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT
#10134
DOB VIOLATION - ACTIVE
DOB NOW Safety (8)
IssuedViolationStatus
Nov 14, 2025Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION
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 2021 EXTERNAL LOW PRESSURE INSPECTION
Active
Jun 30, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2020 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 (18) · C 1 · B 17 · A 0
IssuedClassViolationCorrect by
Aug 20, 2008CSECTION 27-2031 ADMIN. CODE: PROVIDE HOT WATER AT ALL HOT WATER FIXTURES KITCHEN & BATHROOM 2ND STORY FRONT APARTMENT 2FAug 26, 2008
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC TILE WALLS AND FLOOR BATHROOM 2 STY. WEST APT. 201.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR WALL BATHROOM 2 STY. WEST APT. 201.Aug 19, 2006
Jul 3, 2006BSECTION 27-2026 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE CONNECTION WASTE LINE BATHTUB BATHROOM 2 STY. WEST APT. 201.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR WALLS AND CEILING FOYER AND SCUTTLE CLOSET 2 STY, WEST APT. 201.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR SCUTTLE CLOSET 2 STY. WEST APT. 201.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR WALLS AND CEILING CENTER AND NORTH WEST ROOM 2 STY. WEST APT. 201.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC TILE FLOOR BATHROOM 2 STY. WEST APT. 2.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC TILE WALLS BATHROOM 2 STY. WEST APT. 2.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR CLOSET PRIVATE HALL 2 STY. WEST APT. 2.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE EAST WALL LIGHT FIXTURE BATHROOM 2 STY. WEST APT. 2.Aug 19, 2006
Jul 3, 2006BSECTION 27-2026 ADMIN. CODE: REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS BATHTUB BATHROOM 2 STY. WEST APT. 2.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR WALLS AND CEILING SOUTHWEST ROOM & PRIVATE HALL & CLOSET 2 STY WEST APT. 2.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR WALLS AND CEILING SOUTHWEST ROOM & PRIVATE HALL 2 STY. WEST APT. 2.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE CEILING LIGHT FIXTURE PRIVATE HALL 2 STY. WEST APT. 2.Aug 19, 2006
Jul 3, 2006BSECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING GLASS FRENCH DOORS NORTH WEST ROOM 2-LITES 2 STY. WEST APT. 2.Aug 19, 2006
Jul 3, 2006BSECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF VERMIN MICE AND ROACHES 2 STY. WEST APT. 201.Aug 19, 2006
Jul 3, 2006BSECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF VERMIN MICE AND ROACHES 2 STY. WEST APT. 2.Aug 19, 2006

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, 9:02 PM ET. BBL 3034310008.

Look up another building