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
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 · 60
- 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 - 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 20, 2025
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.
Jun 10, 2025
Open — Nov sent out - 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 29, 2024
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 10, 2024
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.
Mar 23, 2023
Open — Nov sent out - BHazardous
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 - CImmediately hazardous
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 - BHazardous
Remove all encumbrances consisting of household articles at public hall, 3rd story
Feb 15, 2023
Open — Nov sent out - ANon-hazardous
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 ↓
- BHazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - 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 [ missing frame ] at public hall, 1st story
Feb 15, 2023
Open — Nov sent out - ANon-hazardous
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 - 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 - CImmediately hazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - CImmediately hazardous
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 - BHazardous
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 - BHazardous
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 - CImmediately hazardous
Abate the infestation consisting of mice at cellar
Mar 15, 2022
Open — Nov sent out - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective at boiler room
Mar 15, 2022
Open — Nov sent out - ANon-hazardous
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 - CImmediately hazardous
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 - 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 missing at public hall, 1st story
Mar 15, 2022
Open — Nov sent out - ANon-hazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - CImmediately hazardous
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 - CImmediately hazardous
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 - 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 - 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 - CImmediately hazardous
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 - BHazardous
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
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.