Brooklyn · Block 3258 · Lot 4 · 11237

373 Knickerbocker Avenue

4 floors · 9 apartments · 8,893 sq ft · built 1931 · class C7 · owner of record: 373-379 Knickerbocker Llc

34open violations
$0ECB/OATH penalties owed
7HPD 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 (0)

None open.

DOB (0)

None open.

DOB NOW Safety (0)

None open.

HPD (34) · C 7 · B 19 · A 8
IssuedClassViolationCorrect by
Oct 1, 2026C§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING STOPPER AT FIREPROOF DOOR FOR PUBLIC HALL STAIR AT 1ST STORYOct 15, 2026
Oct 1, 2026BApt 2C · § 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2C, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTNov 5, 2026
Oct 1, 2026BApt 2C · § 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2C, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTNov 5, 2026
Jan 15, 2025BApt 2L · § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE SLOPPING WOOD FLOOR IN THE ENTIRE APARTMENT LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHFeb 19, 2025
Jan 15, 2025BApt 2L · § 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM WINDOW TO FIRE ESCAPE OR PROVIDE APPROVED TYPE GATE AT NORTH KITCHEN AND SOUTH KITCHEN IN THE ENTIRE APARTMENT LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHFeb 19, 2025
Jan 15, 2025BApt 2L · § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHFeb 19, 2025
Jan 15, 2025BApt 2L · § 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHFeb 19, 2025
Jan 15, 2025BApt 2L · § 27-2018 ADM CODE ABATE THE NUISANCE CONSISTING OF VERMIN MICE, IN THE ENTIRE APARTMENT LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHFeb 19, 2025
Jan 15, 2025BApt 2L · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR , WEST WALL, SOUTH WALL IN THE BATHROOM LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHFeb 19, 2025
Jan 15, 2025AApt 2L · § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT , 1st DOOR FROM WEST AT NORTH WALL, 1st DOOR FRAME FROM WEST AT NORTH WALL IN THE BATHROOM LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHApr 20, 2025
Jan 15, 2025AApt 2L · § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT , 2nd WINDOW FRAME FROM SOUTH AT WEST WALL IN THE 4th ROOM FROM EAST AT NORTH LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHApr 20, 2025
Jan 15, 2025BApt 2L · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR , SOUTH WALL, EAST WALL, CEILING IN THE 4th ROOM FROM EAST AT NORTH LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHFeb 19, 2025
Jan 15, 2025BApt 2L · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR , WEST WALL, SOUTH WALL, CEILING IN THE 3rd ROOM FROM EAST LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHFeb 19, 2025
Jan 15, 2025AApt 2L · § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT , 1st DOOR FRAME FROM NORTH AT EAST WALL IN THE 3rd ROOM FROM EAST LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHApr 20, 2025
Jan 15, 2025BApt 2L · § 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM WINDOW TO FIRE ESCAPE OR PROVIDE APPROVED TYPE GATE , IN THE KITCHEN LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHFeb 19, 2025
Jan 15, 2025BApt 2L · § 27-2005, 27-2007, 27-2041.1 HMC: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE AT ENTRANCE TO APT. AT KITCHEN, IN THE KITCHEN LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHFeb 19, 2025
Jan 15, 2025BApt 2L · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR , SOUTH WALL IN THE KITCHEN LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHFeb 19, 2025
Jan 15, 2025AApt 2L · § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT , 1st WINDOW FRAME FROM NORTH AT EAST WALL IN THE KITCHEN LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHApr 20, 2025
Jan 15, 2025BApt 2L · § 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHFeb 19, 2025
Jan 15, 2025BApt 2L · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE SLOPING WOOD FLOOR AT KITCHEN, EAST 2, AND EASTNORTH 4 ROOMS IN THE ENTIRE APARTMENT LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHFeb 19, 2025
Jan 15, 2025AApt 2L · § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT , 1st DOOR FRAME FROM WEST AT NORTH WALL, 1st DOOR FROM WEST AT NORTH WALL, 2nd WINDOW FRAME FROM SOUTH AT WEST WALL, 1st WINDOW FRAME FROM SOUTH AT WEST WALL IN THE 4th ROOM FROM EAST AT SOUTH LOCATED AT APT 2LApr 20, 2025
Jan 15, 2025AApt 2L · § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT .. 1st DOOR FRAME FROM NORTH AT EAST WALL IN THE 3rd ROOM FROM EAST AT NORTH LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHApr 20, 2025
Jan 15, 2025BD26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE PLASTER CELLAR CEILING THROUGHOUT.Feb 19, 2025
Jan 15, 2025AD26-10.01 ADM CODE ABATE THE NUISANCE CONSISTING OF JACKS SUPPORTING BEAMS CELLAR FRONT CENTER.Apr 20, 2025
Jan 15, 2025C§ 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING KEY OPERATED DOUBLE CYLINDER LOCK INSTALLED AT FRONT ENTRANCE DOOR TO BUILDING AT PUBLIC HALL, 1st STORYJan 21, 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 FRAME MISSING.Apr 20, 2025
Jan 15, 2025BD26-10.01 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE GLASS SKYLIGHT PUB HALL ROOF R23.Feb 19, 2025
Jan 15, 2025BD26-19.05 ADM CODE PROVIDE ADEQUATE LIGHT OF NOT LESS THAN 60 WATTS INCANDESCENT OR EQUIVALENT ILLUMINATION PUBLIC HALL ALL STORIES.Feb 19, 2025
Nov 1, 2005CApt 2L · SECTION 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) BASEBOARD AT NORTH WALL, CEILING, 1st DOOR FRAME FROM NORTH AT EAST WALL, 1st DONov 27, 2005
Nov 1, 2005CApt 2L · SECTION 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) 1st DOOR FROM EAST AT SOUTH WALL, 1st DOOR FRAME FROM EAST AT SOUTH WALL, NORTH Nov 27, 2005
Nov 1, 2005CApt 2L · SECTION 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 IN THE 4th ROOM FROM EAST AT SOUTH LOCATED AT APT 2L, 2nd STORY, 1st APANov 27, 2005
Oct 21, 2005CApt 2L · SECTION 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) EAST WALL, WEST WALL IN THE 2nd ROOM FROM EAST AT NORTH LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST Nov 16, 2005
Oct 21, 2005CApt 2L · SECTION 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 3rd ROOM FROM EAST AT SOUTH LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHNov 16, 2005
Oct 18, 2005BApt 2L · SECTION 27-2005 HMC:TRACE AND REPAIR THE SOURCE AND ABATE THE NUISANCE CONSISTING OF MOLD ... AT CEILING IN THE 2nd BATHROOM FROM NORTH LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTHNov 27, 2005

Issued in the last 120 days

DateSourceWhatNow
Oct 1, 2026HPD C§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING STOPPER AT FIREPROOF DOOR FOR PUBLIC HALL STAIR AT 1ST STORYOpen
Oct 1, 2026HPD B§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2C, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTOpen
Oct 1, 2026HPD B§ 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2C, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTOpen

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, 8:56 PM ET. BBL 3032580004.

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