856 Knickerbocker Avenue
Brooklyn, NY 11207BBL 3-03430-0027Map
Owner of record: 856 Knickerbocker Ave LLC
856 Knickerbocker Avenue is a mixed residential and retail building built in 1910 in Brooklyn, 11207. It has 4 residential units across 3 floors. The owner of record is 856 Knickerbocker Ave LLC. HPD has recorded 84 housing violations here, most recently on November 18, 2025. 10 of the 50 most recent violations are still open.
- HPD violations
- 84
- DOB violations
- 9
- ECB violations
- 3
- HPD complaints
- 51
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 · 84
- 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 18, 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
Closed — Violation dismissed - 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 26, 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
Closed — Violation dismissed - 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 17, 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 - 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 7, 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.
Feb 25, 2022
Closed — Violation dismissed - 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.
Feb 25, 2022
Closed — Violation dismissed - CImmediately hazardous
Provide an adequate supply of gas to the fixtures at range in the kitchen located at apt 2l, 2nd story, 1st apartment from south at west
Jun 9, 2021 · Apt 2L
Closed — Violation closed
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 9, 2021
Closed — Violation dismissed - 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.
Apr 9, 2021
Closed — Violation dismissed - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 3r, 3rd story, 2nd apartment from west at north
Feb 25, 2020 · Apt 3R
Open — Notice of issuance sent to tenant - 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 25, 2020
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
Feb 25, 2020
Open — Nov sent out - BHazardous
Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 3r, 3rd story, 2nd apartment from west at north
Feb 25, 2020 · Apt 3R
Open — Nov sent out - BHazardous
Repair or replace the smoke detector miissing in the entire apartment located at apt 3r, 3rd story, 2nd apartment from west at north
Feb 25, 2020 · Apt 3R
Open — Nov sent out - CImmediately hazardous
Arrange and make self-closing the doors .. in the entrance located at apt 3r, 3rd story, 2nd apartment from west at north
Feb 25, 2020 · Apt 3R
Closed — Violation closed - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 3r, 3rd story, 2nd apartment from west at north
Feb 25, 2020 · Apt 3R
Open — Notice of issuance sent to tenant - 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.
Oct 30, 2019
Closed — Violation dismissed - 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.
Oct 18, 2018
Closed — Violation dismissed - 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 24, 2017
Closed — Violation dismissed - ANon-hazardous
Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mail box sign missing at public hall, 1st story
Jul 14, 2017
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 at public hall, 1st story
Jul 14, 2017
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 10, 2016
Closed — Violation dismissed - BHazardous
Repair or replace the smoke detector defective located at apt 2r, 2nd story, 2nd apartment from west at north
Aug 4, 2016 · Apt 2R
Open — Nov sent out - BHazardous
Repair or replace the carbon monoxide detecting device(s). defective located at apt 2r, 2nd story, 2nd apartment from west at north
Aug 4, 2016 · Apt 2R
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.
Oct 9, 2015
Closed — Violation dismissed - BHazardous
Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. located at apt 3r, 3rd story, 2nd apartment from south at west
Jul 8, 2015 · Apt 3R
Closed — Violation closed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling in the entire apartment located at apt 3l, 3rd story, 1st apartment from west at north
Jun 6, 2015 · Apt 3L
Closed — Violation closed - CImmediately hazardous
Repair the roof so that it will not leak over ceiling in the entire apartment located at apt 3l, 3rd story, 1st apartment from west at north
Jun 6, 2015 · Apt 3L
Closed — Violation closed - CImmediately hazardous
Properly repair the broken or defective locking device at door,entrancem to building at lobby, 1st story
May 29, 2015 · Apt 3L
Closed — Violation closed - CImmediately hazardous
Remove the illegal fastening ,lockable slide bolt with eye at bulkhead door to roof
May 29, 2015 · Apt 3L
Closed — Violation closed - CImmediately hazardous
Properly repair the broken or defective locking device at door to roof
May 29, 2015 · Apt 3L
Closed — Violation closed - ANon-hazardous
Post and maintain a proper notice on wall of the entrance story in english and spanish on the availability of the agency?s housing information guide. a sample notice can be found at www.nyc.gov/hpd.
May 29, 2015
Closed — Violation closed - BHazardous
Properly repair the broken or defective bell/buzzer system in the entrance located at apt 3l, 3rd story, 1st apartment from south at west
May 16, 2015 · Apt 3L
Closed — Violation closed - BHazardous
Remove the illegal fastening slide bolt capable of being pad lock at bulkhead door , 3rd story
May 16, 2015
Closed — Violation closed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the 2nd room from north at west located at apt 3l, 3rd story, 1st apartment from south at west
May 16, 2015 · Apt 3L
Closed — Violation closed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color ceiling and north wall in the 3rd room from north at west located at apt 3l, 3rd story, 1st apartment from south at west
May 16, 2015 · Apt 3L
Closed — Violation closed - BHazardous
Properly repair the broken or defective ventilation system at ceiling in the kitchen located at apt 3l, 3rd story, 1st apartment from south at west
May 16, 2015 · Apt 3L
Closed — Violation closed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at south wall in the 1st room from north located at apt 3l, 3rd story, 1st apartment from south at west
May 16, 2015 · Apt 3L
Closed — Violation closed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color all walls in the bathroom located at apt 3l, 3rd story, 1st apartment from south at west
May 16, 2015 · Apt 3L
Closed — Violation closed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at east and south walls in the 3rd room from north at east located at apt 3l, 3rd story, 1st apartment from south at west
May 16, 2015 · Apt 3L
Closed — Violation closed - BHazardous
Repair the broken or defective connection sink wasteline in the kitchen located at apt 3l, 3rd story, 1st apartment from south at west
May 16, 2015 · Apt 3L
Closed — Violation closed - BHazardous
Arrange and make self-closing the doors bulkhead at roof , 3rd story
May 16, 2015
Closed — Violation closed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the bathroom located at apt 3l, 3rd story, 1st apartment from south at west
May 16, 2015 · Apt 3L
Closed — Violation closed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the 1st room from north located at apt 3l, 3rd story, 1st apartment from south at west
May 16, 2015 · Apt 3L
Closed — Violation closed - BHazardous
Repair or replace the smoke detector defective in the entire apartment located at apt 3l, 3rd story, 1st apartment from south at west
May 16, 2015 · Apt 3L
Closed — Violation closed - BHazardous
Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. in the entire apartment located at apt 3l, 3rd story, 1st apartment from south at west
May 16, 2015 · Apt 3L
Closed — Violation closed - CImmediately hazardous
Repair the roof so that it will not leak at ceiling in the entire apartment located at apt 3l, 3rd story, 1st apartment from south at west
May 16, 2015 · Apt 3L
Closed — Violation closed
DOB building violations · 9
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 31, 2005
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 13, 2004
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 19, 2003
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 26, 2002
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 27, 2001
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 7, 2000
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 16, 1999
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
Aug 16, 1993
Dob violation - active
ECB violations · 3
- Class - 1
Failure to maintain building in code-complaint manner. note: at cellarlevel of above premises at various locations;ceiling is water damage &is falling or has fallen down. remedy: repair/replace ceiling.
Aug 19, 2010 · Penalty $1,000
Resolve - Non-hazardous
Altered building occupied without a valid certificate of occupancy. noted: apt 3r occupied and furnished at time of inspection. remedy: obtain valid c of o or discontinue illegal occupancy.
Jun 3, 2005 · Penalty $350
Resolve - Non-hazardous
32)breeching pipe is not properly sealed at base of chimney 32) a sec-tion of cieling above boiler, is not fire-proof 32) debri around the boiler (fire-hazard).
Oct 19, 1990 · Penalty $250
Resolve
Complaints
- Plumbing
Water supply
Sep 11, 2021 · Apt BLDG
Close - Plumbing
Water supply
Sep 11, 2021 · Apt 2B
Close - General
Cooking gas
Jun 7, 2021 · Apt 2L
Close - Unsanitary condition
Pests
Feb 19, 2020 · Apt 3R
Close - Unsanitary condition
Pests
Feb 19, 2020 · Apt 3R
Close - Unsanitary condition
Pests
Jul 28, 2016 · Apt 2R
Close - Plumbing
Basin/sink
May 28, 2015 · Apt 3L
Close - Plumbing
Basin/sink
May 28, 2015 · Apt 3L
Close - Paint/plaster
Ceiling
May 28, 2015 · Apt 3L
Close - Water leak
Slow leak
May 28, 2015 · Apt 3L
Close
Show 40 more ↓
- Paint/plaster
Ceiling
May 28, 2015 · Apt 3L
Close - Outside building
Roof door/hatch
May 28, 2015 · Apt 3L
Close - Door/window
Door
May 28, 2015 · Apt 3L
Close - Door/window
Door
May 14, 2015 · Apt 3L
Close - Paint/plaster
Ceiling
May 14, 2015 · Apt 3L
Close - Paint/plaster
Ceiling
May 14, 2015 · Apt 3L
Close - Door/window
Door
May 14, 2015 · Apt 3L
Close - General
Bell/buzzer/intercom
May 14, 2015 · Apt 3L
Close - Unsanitary condition
Garbage/recycling storage
May 14, 2015 · Apt 3L
Close - Paint/plaster
Ceiling
May 14, 2015 · Apt 3L
Close - Safety
Sprinkler
May 14, 2015 · Apt 3L
Close - General
Ventilation system
May 14, 2015 · Apt 3L
Close - Paint/plaster
Wall
May 14, 2015 · Apt 3L
Close - Paint/plaster
Wall
May 14, 2015 · Apt 3L
Close - Paint/plaster
Wall
May 14, 2015 · Apt 3L
Close - Paint/plaster
Wall
May 14, 2015 · Apt 3L
Close - Plumbing
Basin/sink
May 14, 2015 · Apt 3L
Close - Heat/hot water
Entire building
Jan 17, 2015 · Apt BLDG
Close - Electric
Power outage
Oct 3, 2014 · Apt 2R
Close - Paint/plaster
Ceiling
Oct 3, 2014 · Apt 2R
Close - Paint/plaster
Wall
Oct 3, 2014 · Apt 2R
Close - General
Cooking gas
Oct 3, 2014 · Apt 2R
Close - Electric
Power outage
Oct 1, 2014 · Apt 2R
Close - Appliance
Electric/gas range
Oct 1, 2014 · Apt 2R
Close - Water leak
Heavy flow
Jun 9, 2014 · Apt 2L
Close - Water leak
Heavy flow
Jun 9, 2014 · Apt 2L
Close - Safety
Carbon monoxide detector
Jun 5, 2014 · Apt 3R
Close - Safety
Smoke detector
Jun 5, 2014 · Apt 3R
Close - Water leak
Heavy flow
Jun 5, 2014 · Apt 3R
Close - Heating
Heat related
Feb 13, 2014 · Apt 3L
Close - Plumbing
Water supply
Feb 13, 2014 · Apt 3L
Close - Electric
Electric-supply
Dec 6, 2008 · Apt 2R
Close - Electric
Electric-supply
Dec 6, 2008 · Apt 2R
Close - Electric
Electric-supply
Dec 6, 2008 · Apt 2R
Close - Electric
Electric-supply
Nov 12, 2008 · Apt 2R
Close - Plumbing
Water supply
Nov 12, 2008 · Apt 2R
Close - Plumbing
Water supply
Nov 12, 2008 · Apt 2R
Close - Plumbing
Water supply
Nov 11, 2008 · Apt 2R
Close - Electric
Electric-supply
Oct 30, 2008 · Apt 2R
Close - Nonconst
Janitor/super
Oct 30, 2008 · Apt 2R
Close
Sales history
| Date | Price | Type | Units |
|---|---|---|---|
| Apr 30, 2026 | $2,650,000 | Rentals - 4-10 unit | 5 |
Building details
- Building type
- Mixed residential and retail building (S4)
- Year built
- 1910
- Floors
- 3
- Residential units
- 4
- Building area
- 5,250 ft²
- Lot area
- 2,250 ft²
- Zoning
- R6
- Community board
- 304
- Council district
- 37
- Block / lot
- 3430 / 27
- Assessed value
- $481,500
- Landmark / historic district
- No
HPD registration #350406, last renewed Mar 26, 2026.
Questions about 856 Knickerbocker Avenue
Who owns 856 Knickerbocker Avenue?
The owner of record in NYC Department of City Planning PLUTO data is 856 Knickerbocker Ave LLC.
Does 856 Knickerbocker Avenue have violations?
Yes. NYC HPD has recorded 84 housing violations at this property.
Is 856 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 856 Knickerbocker Avenue built?
City records list 1910 as the year it was built.
How many apartments are in 856 Knickerbocker Avenue?
It has 4 residential units and 5 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.