803 Knickerbocker Avenue
Brooklyn, NY 11237BBL 3-03413-0005Map
Owner of record: Knickerbocker Commons Housing Developmen T Fund Cor
803 Knickerbocker Avenue is an elevator apartment building built in 2013 in Brooklyn, 11237. It has 24 residential units across 6 floors. The owner of record is Knickerbocker Commons Housing Developmen T Fund Cor. HPD has recorded 51 housing violations here, most recently on August 2, 2026. 4 of the 50 most recent violations are still open. City tax records listed 24 rent-stabilized apartments here in 2024.
- HPD violations
- 51
- DOB violations
- 9
- ECB violations
- 1
- HPD complaints
- 335
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 · 51
- CImmediately hazardous
Provide hot water at all hot water fixtures in the kitchen located at apt 3c, 3rd story, 1st apartment from south at west
Aug 2, 2026 · Apt 3C
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system door locked at basement at boiler room
Aug 2, 2026
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.
May 8, 2026
Closed — Violation dismissed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 4c, 4th story, 2nd apartment from east at south
Oct 31, 2025 · Apt 4C
Open — Nov sent out - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 4c, 4th story, 2nd apartment from east at south
Oct 31, 2025 · Apt 4C
Open — Notice of issuance sent to tenant - 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 4c, 4th story, 2nd apartment from east at south
Oct 31, 2025 · Apt 4C
Open — Nov sent out - 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 4c, 4th story, 2nd apartment from east at south
Oct 31, 2025 · Apt 4C
Open — Nov sent out - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 2a, 2nd story, 1st apartment from east at south
Jan 30, 2025 · Apt 2A
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system door locked at basement at boiler room
Jan 30, 2025
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 4c, 4th story, 2nd apartment from east at south
Jan 27, 2025 · Apt 4C
Closed — Violation closed
Show 40 more ↓
- CImmediately hazardous
Provide ready access to buildings heating system door locked at boiler room, 6th story
Jan 27, 2025
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 4e, 4th story, 1st apartment from north at east
Jan 12, 2025 · Apt 4E
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system door locked at boiler room, 6th story
Jan 3, 2025
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 5d, 5th story, 2nd apartment from south at west
Jan 3, 2025 · Apt 5D
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 3c, 3rd story, 2nd apartment from east at south
Nov 26, 2024 · Apt 3C
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system door locked at boiler room, 6th story
Nov 26, 2024
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 2a, 2nd story, 1st apartment from north at east
Mar 2, 2024 · Apt 2A
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system door locked to cellar at public hall, 1st story
Mar 2, 2024
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 4c, 4th story, 2nd apartment from south at west
Feb 12, 2024 · Apt 4C
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system door locked at boiler room
Feb 12, 2024
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system locked door at boiler room
Feb 5, 2024
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 5e, 5th story, 1st apartment from west at north
Feb 5, 2024 · Apt 5E
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system locked door at boiler room
Jan 30, 2024
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 5d, 5th story, 3rd apartment from south at west
Jan 30, 2024 · Apt 5D
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 5e, 5th story, 1st apartment from west at north
Jan 28, 2024 · Apt 5E
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system door locked at boiler room
Jan 28, 2024
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 2a, 2nd story, 1st apartment from east at south
Dec 31, 2023 · Apt 2A
Closed — Violation dismissed - CImmediately hazardous
Provide ready access to buildings heating system locked door from 1 story public hall to celler at boiler room, 5th story
Dec 31, 2023
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 2a, 2nd story, 1st apartment from north at east
Dec 8, 2023 · Apt 2A
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 2f, 2nd story, 2nd apartment from north at east
Dec 6, 2023 · Apt 2F
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 4c, 4th story, 2nd apartment from east at south
Nov 30, 2023 · Apt 4C
Closed — Violation closed - CImmediately hazardous
Remove device preventing door from being self-closing kickstand at boileroom door at boiler room
Nov 30, 2023
Closed — Violation closed - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 4c, 4th story, 2nd apartment from east at south
Nov 30, 2023 · Apt 4C
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 2a, 2nd story, 1st apartment from north at east
Nov 28, 2023 · Apt 2A
Closed — Violation closed - ANon-hazardous
Properly repair with similar material the broken or defective caulking around bathtub and wash basin in the bathroom located at apt 2a, 2nd story, 1st apartment from north at east
Nov 28, 2023 · Apt 2A
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system boiler room door locked at basement at boiler room
Nov 28, 2023
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 4c, 4th story, 2nd apartment from south at west
Nov 24, 2023 · Apt 4C
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system door locked at boiler room
Nov 24, 2023
Closed — Violation closed - CImmediately hazardous
Provide an adequate supply of heat for the apartment in the entire apartment located at apt 4b, 4th story, 1st apartment from south at west
Jan 17, 2021 · Apt 4B
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 4b, 4th story, 1st apartment from south at west
Jan 17, 2021 · Apt 4B
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system locked door at cellar
Jan 17, 2021
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system door locked in boiler room at cellar
Jan 12, 2021
Closed — Violation closed - CImmediately hazardous
Provide an adequate supply of heat for the apartment in the entire apartment located at apt 5a, 5th story, 1st apartment from north at east
Jan 12, 2021 · Apt 5A
Closed — Violation dismissed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 5a, 5th story, 1st apartment from north at east
Jan 12, 2021 · Apt 5A
Closed — Violation closed - CImmediately hazardous
Provide an adequate supply of heat from an approved central heating system, or an approved system of gas or electrical heating in good operating condition for the dwelling unit in the entire apartment located at apt 2a, 2nd story, 2nd apartment from east at south
Jan 9, 2021 · Apt 2A
Closed — Violation closed - CImmediately hazardous
Provide adequate supply of hot water for the fixtures in the bathroom and kitchen located at apt 2a, 2nd story, 2nd apartment from east at south
Jan 9, 2021 · Apt 2A
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 5c, 5th story, 2nd apartment from south at west
Jan 7, 2021 · Apt 5C
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 5a, 5th story, 1st apartment from east at south
Jan 7, 2021 · Apt 5A
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt f, 2nd story, 1st apartment from west at north
Mar 22, 2018 · Apt F
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 4a, 4th story
Dec 23, 2017 · Apt 4A
Closed — Violation dismissed
DOB building violations · 9
- Failure to post energy grade/score none
Failure to display energy efficiency score and energy efficiency grade as per adcode sec. 28-309.12.3
Dec 1, 2022
Dob violation - active - Residential elevator periodic inspection/test elevatorrequired
Failure to perform category 5 inspection
Dec 17, 2021
Dob violation - active - Failure to post energy grade/score none
Failure to display energy efficiency score and energy efficiency grade as per adcode sec. 28-309.12.3
Dec 1, 2021
Dob violation - active - Elevator elevatorrequired
E-elevator elevatorrequired
Oct 26, 2020
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Sep 19, 2018
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Sep 25, 2017
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Sep 12, 2016
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Jun 10, 2015
Dob violation - resolved - Elevator annual inspection / test elevatorrequired
Violation issued to elevator-failure to file category 1 2013 inspection/test
Oct 31, 2014
Dob violation - dismissed
ECB violations · 1
- Class - 1
Door zone restrictor not working tampered with disabled (cu).
Jul 30, 2021 · Penalty $1,250
Resolve
Complaints
- Heat/hot water
Entire building
Sep 8, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Aug 13, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Aug 7, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Aug 3, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Aug 1, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Jul 31, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Jul 29, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Jul 29, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Jul 28, 2026 · Apt BLDG
Close - Plumbing
Water supply
Jul 27, 2026 · Apt BLDG
Close
Show 40 more ↓
- Plumbing
Water supply
Jul 27, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Jul 27, 2026 · Apt BLDG
Close - Elevator
Maintenance
Jul 9, 2026 · Apt BLDG
Close - Unsanitary condition
Garbage/recycling storage
Jul 9, 2026 · Apt BLDG
Close - General
Signage missing
Jul 9, 2026 · Apt BLDG
Close - Unsanitary condition
Garbage/recycling storage
Jul 9, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Mar 9, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Mar 8, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Mar 8, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 12, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 12, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 12, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 12, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 12, 2026 · Apt BLDG
Close - Plumbing
Water supply
Feb 12, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 11, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 9, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 8, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 8, 2026 · Apt BLDG
Close - Plumbing
Water supply
Feb 8, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 8, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 1, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Jan 29, 2026 · Apt BLDG
Close - Plumbing
Water supply
Jan 29, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Jan 28, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Jan 21, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Jan 17, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Jan 16, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Oct 29, 2025 · Apt 4C
Close - Heat/hot water
Entire building
Oct 26, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Oct 26, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Oct 26, 2025 · Apt BLDG
Close - Plumbing
Water supply
Oct 26, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Oct 22, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Oct 16, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Oct 15, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Oct 14, 2025 · Apt 4A
Close - Heat/hot water
Entire building
May 1, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Apr 29, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Apr 28, 2025 · Apt BLDG
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Elevator apartment building (D7)
- Year built
- 2013
- Floors
- 6
- Residential units
- 24
- Building area
- 29,705 ft²
- Lot area
- 10,001 ft²
- Zoning
- R6
- Community board
- 304
- Council district
- 37
- Block / lot
- 3413 / 5
- Assessed value
- $1,910,700
- Landmark / historic district
- No
HPD registration #385274, last renewed Sep 25, 2025.
Questions about 803 Knickerbocker Avenue
Who owns 803 Knickerbocker Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Knickerbocker Commons Housing Developmen T Fund Cor.
Does 803 Knickerbocker Avenue have violations?
Yes. NYC HPD has recorded 51 housing violations at this property.
Is 803 Knickerbocker Avenue rent stabilized?
NYC Department of Finance tax bills listed 24 rent-stabilized units here in 2024 (about 100% of its 24 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 803 Knickerbocker Avenue built?
City records list 2013 as the year it was built.
How many apartments are in 803 Knickerbocker Avenue?
It has 24 residential units and 25 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.