373 Knickerbocker Avenue
Brooklyn, NY 11237BBL 3-03258-0004Map
Owner of record: 373-379 Knickerbocker LLC
373 Knickerbocker Avenue is a walk-up apartment building built in 1931 in Brooklyn, 11237. It has 9 residential units across 4 floors. The owner of record is 373-379 Knickerbocker LLC. HPD has recorded 44 housing violations here, most recently on September 29, 2026. 34 of the 44 most recent violations are still open.
- HPD violations
- 44
- DOB violations
- 1
- ECB violations
- 3
- HPD complaints
- 13
What to know
Immediately hazardous issues among recent violations are still open.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 44
- BHazardous
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 west
Sep 29, 2026 · Apt 2C
Open — Invalid certification - BHazardous
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 west
Sep 29, 2026 · Apt 2C
Open — Invalid certification - CImmediately hazardous
Remove device preventing door from being self-closing stopper at fireproof door for public hall stair at 1st story
Sep 29, 2026
Open — Invalid certification - ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
Mar 23, 2023
Closed — Violation dismissed - IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Nov 14, 2022
Closed — Violation dismissed - IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Feb 25, 2022
Closed — Violation dismissed - ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
Feb 25, 2022
Closed — Violation dismissed - IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Apr 9, 2021
Closed — Violation dismissed - ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
Apr 9, 2021
Closed — Violation dismissed - IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Oct 30, 2019
Closed — Violation dismissed
Show 34 more ↓
- IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Nov 24, 2017
Closed — Violation dismissed - IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Nov 10, 2016
Closed — Violation dismissed - IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Oct 9, 2015
Closed — Violation dismissed - CImmediately hazardous
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 apartment from west at north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - CImmediately hazardous
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 door frame from south at west wall, south wall, east wall, west wall in the 2nd room from east located at apt 2l, 2nd story, 1st apartment from west at north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - CImmediately hazardous
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 wall, west wall in the kitchen located at apt 2l, 2nd story, 1st apartment from west at north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - ANon-hazardous
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 2l, 2nd story, 1st apartment from west at north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - BHazardous
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 north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - BHazardous
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 north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - BHazardous
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 north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - ANon-hazardous
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 north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - BHazardous
Abate the nuisance consisting of vermin mice, in the entire apartment located at apt 2l, 2nd story, 1st apartment from west at north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - BHazardous
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 north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - ANon-hazardous
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 north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - ANon-hazardous
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 north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - BHazardous
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 north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - BHazardous
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 north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - ANon-hazardous
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 north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - BHazardous
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 north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - BHazardous
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 north
Oct 24, 2005 · Apt 2L
Open — Nov sent out - BHazardous
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 north
Oct 12, 2005 · Apt 2L
Open — Nov sent out - CImmediately hazardous
Remove the illegal fastening key operated double cylinder lock installed at front entrance door to building at public hall, 1st story
Oct 12, 2005
Open — Nov certified late - CImmediately hazardous
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 north
Oct 12, 2005 · Apt 2L
Open — Nov sent out - CImmediately hazardous
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 at north
Oct 12, 2005 · Apt 2L
Open — Nov sent out - BHazardous
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 north
Oct 12, 2005 · Apt 2L
Open — Nov sent out - ANon-hazardous
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 north
Oct 12, 2005 · Apt 2L
Open — Nov sent out - BHazardous
Repair or replace the smoke detector missing in the entire apartment located at apt 2l, 2nd story, 1st apartment from west at north
Oct 12, 2005 · Apt 2L
Open — Nov sent out - BHazardous
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 north
Oct 12, 2005 · Apt 2L
Open — Nov sent out - BHazardous
Properly repair the broken or defective slopping wood floor in the entire apartment located at apt 2l, 2nd story, 1st apartment from west at north
Oct 12, 2005 · Apt 2L
Open — Nov sent out - ANon-hazardous
D26-10.01 adm code abate the nuisance consisting of jacks supporting beams cellar front center.
May 16, 1983
Open — Nov sent out - BHazardous
D26-10.01 adm code replace with new the broken or defective glass skylight pub hall roof r23.
May 16, 1983
Open — Nov sent out - ANon-hazardous
§ 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.
May 16, 1983
Open — Nov sent out - BHazardous
D26-10.01 adm code properly repair with similar material the broken or defective plaster cellar ceiling throughout.
May 16, 1983
Open — Nov sent out - BHazardous
D26-19.05 adm code provide adequate light of not less than 60 watts incandescent or equivalent illumination public hall all stories.
May 16, 1983
Open — Nov sent out
DOB building violations · 1
- Construction other optional
C-construction other optional
Aug 3, 1992
Dob violation - dismissed
ECB violations · 3
- Non-hazardous
Occupancy contrary to that of c of o #242453 which indicate that the 3rd floor is to be occupied by 2 apartments. illegal occupancy noted. through the 3rd floor front windows (4) it was observed that wooden
Mar 2, 2006 · Penalty $800
Resolve - Hazardous
Failure to maintain bldg-hazardous. defect noted: sections of flooringis sagging down at various locations at 2nd floor apartments, due to defective, missing joists, and underlayment, which creates health and s
Oct 31, 2005 · Penalty $800
Resolve - Hazardous
Failure to maintain building- hazardous. defect noted: section of flooring sagging down at various locations at 2nd floor. apt-2r, 2l, also noted: separations between floor and walls at staircase area, and thru
Oct 12, 2005 · Penalty $800
Resolve
Complaints
- Unsanitary condition
Mold
Sep 16, 2026 · Apt 2C
Close - Water leak
Damp spot
Sep 16, 2026 · Apt 2C
Close - Water leak
Heavy flow
Sep 16, 2026 · Apt 2C
Close - Door/window
Door
Jul 7, 2025 · Apt 4B
Close - Door/window
Door
Jul 7, 2025 · Apt 3C
Close - General
Cabinet
Oct 21, 2023 · Apt 5
Close - Electric
Electric-supply
Feb 15, 2006 · Apt 2L
Close - General
Mold
Oct 11, 2005 · Apt 2L
Close - Paint/plaster
Wall
Oct 11, 2005 · Apt 2L
Close - General
Floor
Oct 11, 2005 · Apt 2L
Close
Show 3 more ↓
- General
Floor
Oct 7, 2005 · Apt 2L
Close - General
Mold
Oct 7, 2005 · Apt 2L
Close - General
Floor
Oct 7, 2005 · Apt 2L
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C7)
- Year built
- 1931
- Floors
- 4
- Residential units
- 9
- Building area
- 8,893 ft²
- Lot area
- 2,500 ft²
- Zoning
- C4-3
- Community board
- 304
- Council district
- 37
- Block / lot
- 3258 / 4
- Assessed value
- $1,267,200
- Landmark / historic district
- No
HPD registration #336254, last renewed Aug 19, 2025.
Questions about 373 Knickerbocker Avenue
Who owns 373 Knickerbocker Avenue?
The owner of record in NYC Department of City Planning PLUTO data is 373-379 Knickerbocker LLC.
Does 373 Knickerbocker Avenue have violations?
Yes. NYC HPD has recorded 44 housing violations at this property.
Is 373 Knickerbocker Avenue rent stabilized?
No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.
When was 373 Knickerbocker Avenue built?
City records list 1931 as the year it was built.
How many apartments are in 373 Knickerbocker Avenue?
It has 9 residential units and 10 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.