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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

Concern
8 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation May 5, 2026

Date of the most recent HPD inspection that found a problem.

Good
No unpaid ECB fines

No balance due on recent ECB violations.

Rent stabilization

Rent-stabilized units in 2024
6
About 100% of the building's 5 apartments

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.

Stabilized units by tax-bill year

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

  • A

    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
  • C

    Correct failure to notify occupants and/or to investigate lead-based paint hazards.

    Apr 22, 2026 · Apt 4L

    Open — Nov sent out
  • C

    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
  • A

    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
  • B

    Remove all encumbrances consisting of household items at public hall, 4th story

    Feb 27, 2025

    Open — Nov sent out
  • C

    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
  • C

    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
  • B

    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
  • C

    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
  • B

    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 ↓
  • A

    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
  • C

    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
  • C

    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
  • C

    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
  • A

    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
  • C

    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
  • B

    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
  • C

    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
  • C

    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
  • C

    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
  • C

    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
  • B

    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
  • C

    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
  • A

    § 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
  • B

    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
  • A

    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
  • C

    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
  • C

    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
  • C

    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
  • I

    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
  • A

    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
  • B

    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
  • C

    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
  • A

    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
  • A

    § 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
  • B

    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
  • C

    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
  • B

    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
  • A

    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
  • A

    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
  • B

    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
  • B

    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
  • C

    M/d law abate the nuisance consisting of drop ladder in landing position at building rear stack

    Mar 14, 2022

    Closed — Violation closed
  • A

    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
  • B

    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
  • B

    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
  • B

    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
  • B

    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
  • A

    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
  • A

    § 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

Sales come from the NYC Department of Finance rolling sales file.

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.