325 Knickerbocker Avenue
Brooklyn, NY 11237BBL 3-03236-0004Map
Owner of record: 325 Knickerbocker INC.
325 Knickerbocker Avenue is a mixed residential and retail building built in 1931 in Brooklyn, 11237. It has 5 residential units across 4 floors. The owner of record is 325 Knickerbocker INC.. HPD has recorded 299 housing violations here, most recently on May 5, 2026. 14 of the 50 most recent violations are still open. City tax records listed 6 rent-stabilized apartments here in 2024.
- HPD violations
- 299
- DOB violations
- 7
- ECB violations
- 2
- HPD complaints
- 333
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
Counts come from owners' rent-stabilization filings shown on NYC Department of Finance tax bills, as extracted by JustFix. They tell you a building has stabilized apartments, not which ones.
Think your apartment is stabilized? Request its rent history from HCR (free), then check your renewal with the renewal calculator.
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 299
- 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.
May 5, 2026
Open — Nov sent out - CImmediately hazardous
Correct failure to notify occupants and/or to investigate lead-based paint hazards.
Apr 22, 2026 · Apt 4L
Open — Nov sent out - CImmediately hazardous
Correct failure to provide to the department within 45 days of demand all records required to be maintained by owner pursuant to local law 1 of 2004 related to lead-based paint notices, inspections and remediation/abatement activities.
Apr 22, 2026 · Apt 4L
Open — Nov sent out - 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.
Jun 10, 2025
Open — Nov sent out - BHazardous
Remove all encumbrances consisting of household items at public hall, 4th story
Feb 27, 2025
Open — Nov sent out - CImmediately hazardous
Properly repair with similar material the broken or defective vinyl floor tiles in the 1st room from east located at apt 4r, 4th story, 2nd apartment from north at east
Feb 27, 2025 · Apt 4R
Closed — Violation closed - CImmediately hazardous
M/d law abate the nuisance consisting of hot water exceeding the maximum temperature of 130 degrees at all hot water fixtures in the entire apartment located at apt 4r, 4th story, 2nd apartment from north at east
Dec 27, 2024 · Apt 4R
Open — Invalid certification - BHazardous
Repair or replace the smoke detector defective in the entire apartment located at apt 4r, 4th story, 2nd apartment from north at east
Dec 27, 2024 · Apt 4R
Open — Nov sent out - CImmediately hazardous
Provide an adequate supply of heat for the apartment in the entire apartment located at apt 4r, 4th story, 2nd apartment from north at east
Dec 27, 2024 · Apt 4R
Open — Invalid certification - BHazardous
Repair or replace the carbon monoxide detecting device(s). defective in the entire apartment located at apt 4r, 4th story, 2nd apartment from north at east
Dec 27, 2024 · Apt 4R
Open — Nov sent out
Show 40 more ↓
- 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 10, 2024
Closed — Violation dismissed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges at bulkhead door at public hall, 3rd story
Mar 22, 2024
Closed — Violation closed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges at compactor door at public hall, 1st story
Mar 22, 2024
Closed — Violation closed - CImmediately hazardous
M/d law abate the nuisance consisting of lockable door knob at door to room leading to fire escape in the kitchen located at apt 2l, 2nd story, 1st apartment from north at east
Dec 15, 2023 · Apt 2L
Open — Not complied with - ANon-hazardous
Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the private hallway , the 5th room from east located at apt 2l, 2nd story, 1st apartment from north at east
Dec 15, 2023 · Apt 2L
Closed — Violation closed - 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) west wall in the 3rd room from east located at apt 2l, 2nd story, 1st apartment from north at east
Dec 15, 2023 · Apt 2L
Open — Defect letter issued - BHazardous
Repair or replace the smoke detector installed more than 20 ft away from sleeping area in the entire apartment located at apt 2l, 2nd story, 1st apartment from north at east
Dec 15, 2023 · Apt 2L
Closed — Violation closed - CImmediately hazardous
M/d law abate the nuisance consisting of scalding hot water of 140 degrees; exceeding the maximum allowable temperature of 130 degrees at all hot water fixtures in the entire apartment located at apt 2l, 2nd story, 1st apartment from north at east
Dec 15, 2023 · Apt 2L
Closed — Violation closed - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 4r, 4th story, 2nd apartment from west at north
Dec 15, 2023 · Apt 4R
Closed — Violation dismissed - CImmediately hazardous
M/d law abate the nuisance consisting of hot water exceeding allowable maximum temperature of 130 degrees at hot water fixtures in the bathroom located at apt 4r, 4th story, 2nd apartment from west at north
Dec 15, 2023 · Apt 4R
Closed — Violation closed - CImmediately hazardous
M/d law abate the nuisance consisting of hot water exceeding allowable maximum temperature of 130 degrees at hot water fixtures. in the kitchen located at apt 4r, 4th story, 2nd apartment from west at north
Dec 15, 2023 · Apt 4R
Closed — Violation closed - BHazardous
Properly repair or replace the broken or defective electric outlet at east wall in the 3rd room from east located at apt 2l, 2nd story, 1st apartment from north at east
Dec 15, 2023 · Apt 2L
Closed — Violation closed - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 2l, 2nd story, 1st apartment from north at east
Dec 15, 2023 · Apt 2L
Closed — Violation dismissed - ANon-hazardous
§ 300 m/d law file plans and application and legalize the following alteration or restore to the legal condition existing prior to the making of said alteration floor to ceiling wood frame and plyboard partition erected deviding kitchen from fire escape in the kitchen located at apt 2l, 2nd story, 1st apartment from north at east
Dec 15, 2023 · Apt 2L
Closed — Violation closed - BHazardous
Repair or replace the carbon monoxide detecting device(s). installed more than 20 ft away from sleeping area in the entire apartment located at apt 2l, 2nd story, 1st apartment from north at east
Dec 15, 2023 · Apt 2L
Closed — Violation closed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department at east wall in the 3rd room from east located at apt 2l, 2nd story, 1st apartment from north at east
Dec 15, 2023 · Apt 2L
Closed — Violation closed - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 2l, 2nd story, 1st apartment from north at east
Dec 15, 2023 · Apt 2L
Closed — Violation dismissed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges at rear door in the entrance located at apt 2l, 2nd story, 1st apartment from north at east
Dec 15, 2023 · Apt 2L
Closed — Violation dismissed - CImmediately hazardous
Install the missing or repair/replace the defective window guard(s) in accordance with the specifications of the new york city health code section 24 rcny chapter 12. wg to install = 2, wg to replace = 0, wg to repair = 0 in the entire apartment located at apt 2l, 2nd story, 1st apartment from north at east
Dec 15, 2023 · Apt 2L
Open — Violation will be reinspected - 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 22, 2023
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.
Mar 23, 2023
Closed — Violation dismissed - BHazardous
Repair or replace the smoke detector missing in the entire apartment located at apt 2l, 2nd story, 1st apartment from north at east
Sep 18, 2022 · Apt 2L
Closed — Violation closed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective leading to public hall in the 6th room from east located at apt 2l, 2nd story, 1st apartment from north at east
Sep 18, 2022 · Apt 2L
Closed — Violation closed - ANon-hazardous
Properly secure the loose electrical outlet at north wall in the 3rd room from east located at apt 2l, 2nd story, 1st apartment from north at east
Sep 18, 2022 · Apt 2L
Closed — Violation closed - ANon-hazardous
§ 300 m/d law file plans and application and legalize the following alteration or restore to the legal condition existing prior to the making of said alteration suspended ceiling metal tiles in the 6th room from east located at apt 2l, 2nd story, 1st apartment from north at east
Sep 18, 2022 · Apt 2L
Closed — Violation closed - BHazardous
Repair or replace the carbon monoxide detecting device(s). in the entire apartment located at apt 2l, 2nd story, 1st apartment from north at east
Sep 18, 2022 · Apt 2L
Closed — Violation closed - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 2l, 2nd story, 1st apartment from north at east
Sep 18, 2022 · Apt 2L
Open — Defect letter issued - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling in the 3rd room from east located at apt 2l, 2nd story, 1st apartment from north at east
Sep 18, 2022 · Apt 2L
Closed — Violation closed - ANon-hazardous
Properly repair and abate unsafe electric wiring condition consisting of exposed electrical wiring at west wall in the 3rd room from east located at apt 2l, 2nd story, 1st apartment from north at east
Sep 18, 2022 · Apt 2L
Closed — Violation closed - ANon-hazardous
Properly repair with similar material the broken or defective vinyl floor tiles in the 3rd room from east located at apt 2l, 2nd story, 1st apartment from north at east
Sep 18, 2022 · Apt 2L
Closed — Violation closed - BHazardous
Repair or replace the carbon monoxide detecting device(s). missing located at apt 2l, 2nd story, 1st apartment from north at east
Mar 14, 2022 · Apt 2L
Closed — Violation closed - BHazardous
Properly repair the broken or defective counter balance at upper window sash at east wall in the kitchen located at apt 2l, 2nd story, 1st apartment from north at east
Mar 14, 2022 · Apt 2L
Closed — Violation closed - CImmediately hazardous
M/d law abate the nuisance consisting of drop ladder in landing position at building rear stack
Mar 14, 2022
Closed — Violation closed - ANon-hazardous
Discontinue use of interior room for living or provide an alcove opening of at least 32# sq ft to room having a window opening directly to street or yard in the 5th room from east located at apt 2l, 2nd story, 1st apartment from north at east
Mar 14, 2022 · Apt 2L
Closed — Violation closed - BHazardous
Replace with new the broken or defective outlet cover at south wall in the 5th room from east located at apt 2l, 2nd story, 1st apartment from north at east
Mar 14, 2022 · Apt 2L
Closed — Violation closed - BHazardous
Properly repair and abate unsafe electric wiring condition consisting of electrical exposed wires at light fixture in the ceiling in the 3rd room from east located at apt 2l, 2nd story, 1st apartment from north at east
Mar 14, 2022 · Apt 2L
Closed — Violation closed - BHazardous
Repair or replace the smoke detector missing located at apt 2l, 2nd story, 1st apartment from north at east
Mar 14, 2022 · Apt 2L
Closed — Violation closed - BHazardous
Trace and repair the source and abate the visible mold condition... approx 1 sq ft at ceiling in the bathroom located at apt 2l, 2nd story, 1st apartment from north at east original violation 15002325 issued 14-mar-22 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).
Mar 14, 2022 · Apt 2L
Open — Defect letter issued - ANon-hazardous
Discontinue use of interior room for living or provide an alcove opening of at least 32# sq ft to room having a window opening directly to street or yard in the 4th room from east located at apt 2l, 2nd story, 1st apartment from north at east
Mar 14, 2022 · Apt 2L
Closed — Violation closed - ANon-hazardous
§ 300 m/d law file plans and application and legalize the following alteration or restore to the legal condition existing prior to the making of said alteration consisting of sheetrock wall erected from floor to ceiling with door and frame creating an additional room in the kitchen located at apt 2l, 2nd story, 1st apartment from north at east
Mar 14, 2022 · Apt 2L
Closed — Violation closed
DOB building violations · 7
- Low pressure boiler boiler required
Violation issued-failure to file 2024 external low pressure inspection
Nov 14, 2025
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 10, 1997
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 29, 1995
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jul 25, 1994
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jun 1, 1994
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 16, 1993
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jun 1, 1993
Dob violation - dismissed
ECB violations · 2
- Class - 2
Observed at above premises in cellar improper flute pipe installed and alter manufacturing specs, repair and/or replace
Feb 20, 2024 · Penalty $655
Active - Class - 2
Observed at above premises in cellar new hot and cold water tanks with no permit on dob records for scope of work, obtain all permits
Feb 20, 2024
Resolve
Complaints
- Unsanitary condition
Pests
Apr 20, 2026 · Apt 4L
Close - Unsanitary condition
Mold
Apr 20, 2026 · Apt 4L
Close - Safety
Window guard broken/missing
Apr 20, 2026 · Apt 4L
Close - Plumbing
Radiator
Feb 24, 2025 · Apt 4R
Close - Unsanitary condition
Pests
Feb 24, 2025 · Apt 4R
Close - General
Cabinet
Feb 24, 2025 · Apt 4R
Close - Plumbing
Bathtub/shower
Feb 24, 2025 · Apt 4R
Close - Flooring/stairs
Floor
Feb 24, 2025 · Apt 4R
Close - Heat/hot water
Apartment only
Feb 19, 2025 · Apt 4R
Close - Heat/hot water
Apartment only
Feb 11, 2025 · Apt 4R
Close
Show 40 more ↓
- Heat/hot water
Apartment only
Jan 23, 2025 · Apt 4R
Close - Heat/hot water
Apartment only
Jan 22, 2025 · Apt 4R
Close - Heat/hot water
Apartment only
Dec 28, 2024 · Apt 4R
Close - Heat/hot water
Apartment only
Dec 27, 2024 · Apt 4R
Close - Heat/hot water
Apartment only
Dec 26, 2024 · Apt 4R
Close - Heat/hot water
Apartment only
Dec 25, 2024 · Apt 4R
Close - Heat/hot water
Entire building
Dec 24, 2024 · Apt 4R
Close - Heat/hot water
Apartment only
Dec 23, 2024 · Apt 4R
Close - Heat/hot water
Apartment only
Dec 23, 2024 · Apt 4R
Close - Heat/hot water
Apartment only
Dec 14, 2024 · Apt 4R
Close - Outside building
Roofing
Dec 15, 2023 · Apt BLDG
Close - Safety
Carbon monoxide detector
Dec 15, 2023 · Apt 2L
Close - Safety
Smoke detector
Dec 15, 2023 · Apt 2L
Close - Outside building
Gutter/leader
Dec 15, 2023 · Apt BLDG
Close - Outside building
Skylight
Dec 15, 2023 · Apt BLDG
Close - Outside building
Roof door/hatch
Dec 15, 2023 · Apt BLDG
Close - Door/window
Door
Dec 15, 2023 · Apt BLDG
Close - Door/window
Door
Dec 15, 2023 · Apt BLDG
Close - Safety
Fire escape
Dec 15, 2023 · Apt BLDG
Close - Unsanitary condition
Pests
Dec 15, 2023 · Apt 2L
Close - Unsanitary condition
Pests
Dec 15, 2023 · Apt 2L
Close - Plumbing
Water supply
Dec 15, 2023 · Apt 4L
Close - Safety
Fire escape
Dec 15, 2023 · Apt 2L
Close - Unsanitary condition
Mold
Dec 15, 2023 · Apt 4L
Close - Safety
Window guard broken/missing
Dec 15, 2023 · Apt 4L
Close - Door/window
Window pane
Dec 15, 2023 · Apt 4L
Close - Door/window
Door
Dec 15, 2023 · Apt 4L
Close - Safety
Carbon monoxide detector
Dec 15, 2023 · Apt 4L
Close - Safety
Smoke detector
Dec 15, 2023 · Apt 4L
Close - Safety
Fire escape
Dec 15, 2023 · Apt 4L
Close - Unsanitary condition
Pests
Dec 15, 2023 · Apt 4L
Close - Unsanitary condition
Pests
Dec 15, 2023 · Apt 4L
Close - Plumbing
Water supply
Dec 15, 2023 · Apt 4R
Close - Plumbing
Water supply
Dec 15, 2023 · Apt 4R
Close - Safety
Carbon monoxide detector
Dec 15, 2023 · Apt 4R
Close - Safety
Smoke detector
Dec 15, 2023 · Apt 4R
Close - Safety
Fire escape
Dec 15, 2023 · Apt 4R
Close - Unsanitary condition
Pests
Dec 15, 2023 · Apt 4R
Close - Unsanitary condition
Pests
Dec 15, 2023 · Apt 4R
Close - Safety
Window guard broken/missing
Dec 15, 2023 · Apt 2L
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Mixed residential and retail building (S5)
- Year built
- 1931
- Floors
- 4
- Residential units
- 5
- Building area
- 8,000 ft²
- Lot area
- 2,500 ft²
- Zoning
- R6
- Community board
- 304
- Council district
- 37
- Block / lot
- 3236 / 4
- Assessed value
- $537,750
- Landmark / historic district
- No
HPD registration #350185, last renewed Oct 7, 2025.
Questions about 325 Knickerbocker Avenue
Who owns 325 Knickerbocker Avenue?
The owner of record in NYC Department of City Planning PLUTO data is 325 Knickerbocker INC..
Does 325 Knickerbocker Avenue have violations?
Yes. NYC HPD has recorded 299 housing violations at this property.
Is 325 Knickerbocker Avenue rent stabilized?
NYC Department of Finance tax bills listed 6 rent-stabilized units here in 2024 (about 100% of its 5 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 325 Knickerbocker Avenue built?
City records list 1931 as the year it was built.
How many apartments are in 325 Knickerbocker Avenue?
It has 5 residential units and 6 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.