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345 Knickerbocker Avenue

Brooklyn, NY 11237BBL 3-03247-0006Map

Owner of record: Bes Realty LLC

345 Knickerbocker Avenue is a hospital / health built in 1931 in Brooklyn, 11237. The owner of record is Bes Realty LLC. HPD has recorded 60 housing violations here, most recently on May 5, 2026. 39 of the 50 most recent violations are still open.

HPD violations
60
DOB violations
16
ECB violations
3
HPD complaints
29

What to know

Concern
7 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

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 60

  • 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
  • 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 20, 2025

    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.

    Jun 10, 2025

    Open — Nov sent out
  • 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 29, 2024

    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.

    Apr 10, 2024

    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.

    Mar 23, 2023

    Open — Nov sent out
  • B

    Replace with new the broken or defective base cabinet at north wall in the kitchen located at apt 3c, 3rd story, 1st apartment from east at south

    Feb 15, 2023 · Apt 3C

    Open — Nov sent out
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 3c, 3rd story, 1st apartment from east at south

    Feb 15, 2023 · Apt 3C

    Open — Notice of issuance sent to tenant
  • B

    Remove all encumbrances consisting of household articles at public hall, 3rd story

    Feb 15, 2023

    Open — Nov sent out
  • A

    Paint with light colored paint to the satisfaction of this department at ceiling at public hall, 3rd story

    Feb 15, 2023

    Open — Nov sent out
Show 40 more ↓
  • B

    Properly repair with similar material the broken or defective fire retarded material at ceiling at public hall, 3rd story

    Feb 15, 2023

    Open — Nov sent out
  • A

    Post and maintain a proper notice on wall of the entrance story in english and spanish on the availability of the agencys housing information guide. a sample notice can be found at www.nyc.gov/hpd. at public hall, 1st story

    Feb 15, 2023

    Open — Nov sent out
  • A

    Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mail box [ missing notice ] at public hall, 1st story

    Feb 15, 2023

    Open — Nov sent out
  • A

    Post a proper notice of carbon monoxide detecting device requirements, in a form approved by the commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in a private dwelling.

    Feb 15, 2023

    Open — Nov sent out
  • A

    Post and maintain a proper sign on wall of entrance story showing the registration number assigned by the department and the address of the building. at public hall, 1st story

    Feb 15, 2023

    Open — Nov sent out
  • A

    § 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 [ missing frame ] at public hall, 1st story

    Feb 15, 2023

    Open — Nov sent out
  • A

    Post and maintain a proper notice on wall of the entrance story in english and spanish on the availability of the agencys housing information guide. a sample notice can be found at www.nyc.gov/hpd., 1st story

    Feb 15, 2023

    Open — Nov sent out
  • 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 14, 2022

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 3c, 3rd story, 1st apartment from north at east

    Jul 27, 2022 · Apt 3C

    Open — Nov certified late
  • B

    Properly repair the broken or defective counter balance at lower sash at 1st window from east at south wall in the 3rd room from north at east located at apt 3c, 3rd story, 1st apartment from north at east

    Jul 27, 2022 · Apt 3C

    Open — Invalid certification
  • B

    Properly repair with similar material the broken or defective metal frame at window at north wall in the kitchen located at apt 3c, 3rd story, 1st apartment from north at east

    Jul 27, 2022 · Apt 3C

    Open — Invalid certification
  • B

    Repair the broken or defective connection waste pipe at sink in the kitchen located at apt 3c, 3rd story, 1st apartment from north at east

    Jul 27, 2022 · Apt 3C

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective metal frame at window at north wall in the bathroom located at apt 3c, 3rd story, 1st apartment from north at east

    Jul 27, 2022 · Apt 3C

    Open — Invalid certification
  • B

    Repair the leaky and/or defective faucets at wash basin in the bathroom located at apt 3c, 3rd story, 1st apartment from north at east

    Jul 27, 2022 · Apt 3C

    Closed — Violation dismissed
  • B

    Properly repair the broken or defective ( inoperative ) electrical exhaust fan at ceiling in the bathroom located at apt 3c, 3rd story, 1st apartment from north at east

    Jul 27, 2022 · Apt 3C

    Closed — Violation dismissed
  • B

    Properly repair the broken or defective ( inoperative ) electrical outlet at west wall in the 3rd room from north at west located at apt 3c, 3rd story, 1st apartment from north at east

    Jul 27, 2022 · Apt 3C

    Open — Nov sent out
  • B

    Properly repair the broken or defective counter balance at lower sash at the 1st window from east at south wall in the 3rd room from north at west located at apt 3c, 3rd story, 1st apartment from north at east

    Jul 27, 2022 · Apt 3C

    Open — Invalid certification
  • B

    Properly repair the broken or defective inoperative electrical outlet at south wall in the 3rd room from north at east located at apt 3c, 3rd story, 1st apartment from north at east

    Jul 27, 2022 · Apt 3C

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling in the 3rd room from north at east located at apt 3c, 3rd story, 1st apartment from north at east

    Jul 27, 2022 · Apt 3C

    Open — Nov sent out
  • B

    Repair the roof so that it will not leak over the ceiling in the 3rd room from north at east located at apt 3c, 3rd story, 1st apartment from north at east

    Jul 27, 2022 · Apt 3C

    Open — Nov sent out
  • B

    Properly repair the broken or defective counter balance at lower sash at 2nd window from east at south wall in the 3rd room from north at east located at apt 3c, 3rd story, 1st apartment from north at east

    Jul 27, 2022 · Apt 3C

    Open — Invalid certification
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 3c, 3rd story, 1st apartment from east at south

    Mar 15, 2022 · Apt 3C

    Open — Nov certified late
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling in the 3rd room from east at south located at apt 3c, 3rd story, 1st apartment from east at south

    Mar 15, 2022 · Apt 3C

    Open — Nov sent out
  • B

    Trace and repair the source and abate the visible mold condition... approx 4 sq ft at ceiling, approx 2 sq ft at north wall and approx 2 sq ft at south wall in the bathroom located at apt 3c, 3rd story, 1st apartment from east at south original violation 15003322 issued 15-mar-22 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).

    Mar 15, 2022 · Apt 3C

    Open — Defect letter issued
  • C

    Abate the infestation consisting of mice at cellar

    Mar 15, 2022

    Open — Nov sent out
  • C

    Replace or repair the self-closing doors that is missing or defective at boiler room

    Mar 15, 2022

    Open — Nov sent out
  • A

    Post, in a form approved by the commissioner, and maintain a notice in a common area of the building regarding the procedures that should be followed when a gas leak is suspected

    Mar 15, 2022

    Open — Nov sent out
  • C

    Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system at public hall, 1st story

    Mar 15, 2022

    Open — Nov sent out
  • A

    § 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 missing at public hall, 1st story

    Mar 15, 2022

    Open — Nov sent out
  • A

    Post and maintain a proper sign on wall of entrance story showing the registration number assigned by the department and the address of the building. at public hall, 1st story

    Mar 15, 2022

    Open — Nov sent out
  • A

    Post a proper notice of carbon monoxide detecting device requirements, in a form approved by the commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in a private dwelling.

    Mar 15, 2022

    Open — Nov sent out
  • A

    Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mail box missing at public hall, 1st story

    Mar 15, 2022

    Open — Nov sent out
  • A

    Post and maintain a proper notice on wall of the entrance story in english and spanish on the availability of the agencys housing information guide. a sample notice can be found at www.nyc.gov/hpd. at public hall, 1st story

    Mar 15, 2022

    Open — Nov sent out
  • A

    Trace and repair the source and abate the visible mold condition... approx 4 sq ft at ceiling, approx 2 sq ft at north wall and approx 2 sq ft at south wall in the bathroom located at apt 3c, 3rd story, 1st apartment from east at south

    Mar 15, 2022 · Apt 3C

    Closed — Violation closed
  • C

    Provide an adequate supply of gas to the fixtures gas range in the kitchen located at apt 3c, 3rd story, 1st apartment from east at south

    Mar 15, 2022 · Apt 3C

    Open — Nov certified late
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 3c, 3rd story, 1st apartment from east at south

    Mar 15, 2022 · Apt 3C

    Closed — Violation closed
  • 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.

    Feb 25, 2022

    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.

    Apr 9, 2021

    Closed — Violation dismissed
  • C

    Code: arrange and make self-closing the doors ... in the entrance located at apt 3c, 3rd story, 1st apartment from east at south

    Mar 10, 2021 · Apt 3C

    Closed — Violation closed
  • B

    Repair the broken or defective connection wasteline beneath wash basin in the bathroom located at apt 3c, 3rd story, 1st apartment from east at south

    Mar 10, 2021 · Apt 3C

    Open — Nov sent out

DOB building violations · 16

  • Elevator annual inspection / test elevatorrequired

    Violation issued to elevator-failure to file category 1 2014 inspection/test

    Jun 10, 2015

    Dob violation - active
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Jun 3, 2015

    Vw*-violation - work w/o permit dismissed
  • Elevator annual inspection / test elevatorrequired

    Violation issued to elevator-failure to file category 1 2013 inspection/test

    Oct 31, 2014

    Dob violation - dismissed
  • Elevator annual inspection / test elevatorrequired

    Violation issued to elevator-failure to file category 1 2012 inspection/test

    Mar 31, 2014

    Dob violation - dismissed
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Apr 12, 2013

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Nov 14, 2011

    Dob violation - resolved
  • Elevator annual inspection / test elevatorrequired

    Vcat1-elevator annual inspection / test elevatorrequired

    Oct 8, 2010

    Dob violation - active
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    May 18, 2010

    Dob violation - resolved
  • Elevator elevatoroptional

    Ll1081-local law 10/81 - elevator elevatoroptional

    Feb 27, 2009

    Dob violation - active
  • Elevator elevatoroptional

    Ll1081-local law 10/81 - elevator elevatoroptional

    Mar 21, 2008

    Dob violation - active
Show 6 more ↓
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Mar 7, 2006

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Jul 12, 2005

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Mar 17, 2004

    Dob violation - resolved
  • Elevator elevatorrequired

    3p8471

    Mar 13, 2001

    Dob violation - resolved
  • Elevator elevatoroptional

    Ll1081-local law 10/81 - elevator elevatoroptional

    Mar 8, 1996

    Dob violation - dismissed
  • Elevator elevatoroptional

    Ll1081-local law 10/81 - elevator elevatoroptional

    Apr 17, 1995

    Dob violation - dismissed

ECB violations · 3

  • Class - 2

    15,34b,50. (50)storage in boiler room.

    Dec 12, 2017

    Resolve
  • Class - 2

    Work does not conform to approved construction documents and or approved amendments.premises under alt2#32058870.l.o.c folder.at time of inspection found;1)apt#3a.plan indicate existing elevator below.found no

    Apr 20, 2017 · Penalty $500

    Active
  • Non-hazardous

    83x10.83x-repair & restore to service so a full inspection can be madeby this dept.

    Nov 27, 2006 · Penalty $350

    Resolve

Complaints

  • Unsanitary condition

    Pests

    Feb 14, 2025 · Apt 3B

    Close
  • Heat/hot water

    Entire building

    May 2, 2023 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Dec 24, 2022 · Apt 3C

    Close
  • Paint/plaster

    Wall

    Jul 21, 2022 · Apt 3C

    Close
  • Electric

    Lighting

    Jul 21, 2022 · Apt 3C

    Close
  • Door/window

    Window frame

    Jul 21, 2022 · Apt 3C

    Close
  • Plumbing

    Basin/sink

    Jul 21, 2022 · Apt 3C

    Close
  • Outside building

    Roofing

    Jul 21, 2022 · Apt 3C

    Close
  • Electric

    Outlet/switch

    Jul 21, 2022 · Apt 3C

    Close
  • Unsanitary condition

    Pests

    Jul 21, 2022 · Apt 3C

    Close
Show 19 more ↓
  • Heat/hot water

    Entire building

    Mar 13, 2022 · Apt 3C

    Close
  • Heat/hot water

    Entire building

    Mar 12, 2022 · Apt 3C

    Close
  • General

    Cooking gas

    Mar 12, 2022 · Apt 3C

    Close
  • Electric

    Lighting

    Feb 2, 2021 · Apt 3C

    Close
  • Outside building

    Roofing

    Jan 29, 2021 · Apt 3C

    Close
  • Appliance

    Electric/gas range

    Jan 29, 2021 · Apt 3C

    Close
  • Outside building

    Skylight

    Jan 29, 2021 · Apt 3C

    Close
  • Paint/plaster

    Wall

    Jan 29, 2021 · Apt 3C

    Close
  • Appliance

    Electric/gas range

    Jan 29, 2021 · Apt 3C

    Close
  • Water leak

    Damp spot

    Jan 29, 2021 · Apt 3C

    Close
  • Plumbing

    Basin/sink

    Jan 29, 2021 · Apt 3C

    Close
  • Plumbing

    Basin/sink

    Jan 29, 2021 · Apt 3C

    Close
  • Door/window

    Window pane

    Jan 29, 2021 · Apt 3C

    Close
  • Door/window

    Window frame

    Jan 29, 2021 · Apt 3C

    Close
  • Plumbing

    Basin/sink

    Jan 29, 2021 · Apt 3C

    Close
  • Water leak

    Slow leak

    Jan 29, 2021 · Apt 3C

    Close
  • Plumbing

    Toilet

    Jan 29, 2021 · Apt 3C

    Close
  • Door/window

    Window frame

    Jan 29, 2021 · Apt 3C

    Close
  • Electric

    Outlet/switch

    Jan 29, 2021 · Apt 3C

    Close

Sales history

No recorded sales in our data

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

Building details

Building type
Hospital / health (I5)
Year built
1931
Floors
3
Residential units
—
Building area
11,400 ft²
Lot area
5,250 ft²
Zoning
R6
Community board
304
Council district
37
Block / lot
3247 / 6
Assessed value
$729,900
Landmark / historic district
No

HPD registration #351903, last renewed Dec 22, 2025.

Questions about 345 Knickerbocker Avenue

Who owns 345 Knickerbocker Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Bes Realty LLC.

Does 345 Knickerbocker Avenue have violations?

Yes. NYC HPD has recorded 60 housing violations at this property.

Is 345 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 345 Knickerbocker Avenue built?

City records list 1931 as the year it was built.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.