221 Knickerbocker Avenue
Brooklyn, NY 11237BBL 3-03187-0007Map
Owner of record: Tang, Hong Qing
221 Knickerbocker Avenue is a mixed residential and retail building built in 1931 in Brooklyn, 11237. It has 4 residential units across 3 floors. The owner of record is Tang, Hong Qing. HPD has recorded 26 housing violations here, most recently on May 5, 2026. 19 of the 26 most recent violations are still open.
- HPD violations
- 26
- DOB violations
- 0
- ECB violations
- 0
- HPD complaints
- 65
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 · 26
- 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
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 - 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 - 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 - 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 - 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
Provide adequate lighting at or near the outside of the front entranceway of the building and keep same burning from sunset every day to sunrise on the day following , 100 watts required.
Feb 14, 2012
Open — Not complied with - BHazardous
Abate the nuisance consisting of vermin bedbugs in the entire apartment located at apt 2l, 2nd story, 1st apartment from north at east
Apr 14, 2009 · Apt 2L
Open — Not complied with - BHazardous
Abate the nuisance consisting of vermin mice in the entire apartment located at apt 2l, 2nd story, 1st apartment from north at east
Apr 14, 2009 · Apt 2L
Open — Not complied with
Show 16 more ↓
- BHazardous
Abate the nuisance consisting of vermin roaches in the entire apartment located at apt 2l, 2nd story, 1st apartment from north at east
Apr 14, 2009 · Apt 2L
Open — Not complied with - ANon-hazardous
Section 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 drop ceiling in the entire apartment located at apt 2l, 2nd story, 1st apartment from north at east
Apr 14, 2009 · Apt 2L
Open — Nov sent out - BHazardous
Repair or replace the smoke detector defective in the entire apartment located at apt 3r, 3rd story, apartment at south
Jul 30, 2008 · Apt 3R
Open — Nov sent out - 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 3r, 3rd story, apartment at south
Jul 30, 2008 · Apt 3R
Open — Nov sent out - CImmediately hazardous
Provide an adequate supply of gas to the fixtures at range in the kitchen located at apt 3r, 3rd story, apartment at east
Jul 12, 2008 · Apt 3R
Open — Nov sent out - CImmediately hazardous
Remove the illegal fastening hasp and eye bolt cable of being pad lock at scuttle cover at public hall, 3rd story
Jul 12, 2008
Open — Nov sent out - BHazardous
Abate the nuisance consisting of vermin bedbugs in the entire apartment located at apt 3r, 1st story, 1st apartment from east at south
Jun 23, 2008 · Apt 3R
Open — Nov certified late - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color ceiling in the bathroom located at apt 3r, 1st story, 1st apartment from east at south
Jun 23, 2008 · Apt 3R
Open — Nov certified late - CImmediately hazardous
Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the rear yard of building
Jun 23, 2008
Open — Nov sent out - BHazardous
Abate the nuisance consisting of vermin mice in the entire apartment located at apt 3r, 1st story, apartment at south
Jun 23, 2008 · Apt 3R
Open — Nov certified late - BHazardous
Abate the nuisance consisting of vermin roaches in the entire apartment located at apt 3r, 1st story, apartment at south
Jun 23, 2008 · Apt 3R
Open — Nov certified late - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color ceiling in the 4th room from north located at apt 3r, 1st story, apartment at south
Jun 23, 2008 · Apt 3R
Open — Nov certified late - BHazardous
M/d law abate the nuisance consisting of expose electrical wiring at ceiling. in the 4th room from north located at apt 3r, 1st story, apartment at south
Jun 23, 2008 · Apt 3R
Open — Nov certified late - CImmediately hazardous
Replace with new the missing balusters at public hall stairs, 2nd story
Jun 23, 2008
Open — Nov sent out - BHazardous
M/d law abate the nuisance consisting of evidence of water leak at ceiling and walls at community bathroom, 1st story
Nov 21, 2007
Open — Nov sent out - CImmediately hazardous
Repair the broken or defective plastered surfaces and paint in a uniform color collapsing ceiling and walls at community bathroom, 1st story
Nov 21, 2007
Open — Nov sent out
DOB building violations · 0
No DOB violations on record
ECB violations · 0
No ECB violations on record
Complaints
- General
Windows
Jan 8, 2013 · Apt 3L
Close - General
Floor
Jan 8, 2013 · Apt 3L
Close - General
Mold
Jan 8, 2013 · Apt 3L
Close - Plumbing
Basin/sink
Jan 8, 2013 · Apt 3L
Close - General
Floor
Jan 8, 2013 · Apt 3L
Close - Nonconst
Janitor/super
Jan 8, 2013 · Apt 3L
Close - Electric
Wiring
Jan 8, 2013 · Apt 3L
Close - Nonconst
Vermin
Jan 8, 2013 · Apt 3L
Close - General
Floor
Jan 8, 2013 · Apt 3L
Close - General
Floor
Jan 8, 2013 · Apt 3L
Close
Show 40 more ↓
- General
Floor
Jan 8, 2013 · Apt 3L
Close - Nonconst
Vermin
Jan 8, 2013 · Apt 3L
Close - Nonconst
Rubbish
Jan 8, 2013 · Apt 3L
Close - Nonconst
Rubbish
Nov 29, 2012 · Apt 3L
Close - Plumbing
Water-leaks
Nov 29, 2012 · Apt 3L
Close - General
Windows
Nov 29, 2012 · Apt 3L
Close - Nonconst
Vermin
Nov 29, 2012 · Apt 3L
Close - Plumbing
Water-leaks
Nov 29, 2012 · Apt 3L
Close - Electric
Wiring
Nov 29, 2012 · Apt 3L
Close - General
Windows
Nov 29, 2012 · Apt 3L
Close - Nonconst
Vermin
Nov 29, 2012 · Apt 3L
Close - Nonconst
Janitor/super
Oct 11, 2012 · Apt 3L
Close - Paint/plaster
Ceiling
Oct 11, 2012 · Apt 3L
Close - Nonconst
Vermin
Oct 11, 2012 · Apt 3L
Close - General
Windows
Oct 11, 2012 · Apt 3L
Close - Nonconst
Rubbish
Oct 11, 2012 · Apt 3L
Close - Electric
Lighting
Oct 11, 2012 · Apt 3L
Close - General
Doors
Oct 11, 2012 · Apt 3L
Close - General
Windows
Oct 11, 2012 · Apt 3L
Close - Electric
Wiring
Oct 11, 2012 · Apt 3L
Close - Plumbing
Water-leaks
Oct 11, 2012 · Apt 3L
Close - Plumbing
Water-leaks
Oct 11, 2012 · Apt 3L
Close - Paint/plaster
Ceiling
Oct 11, 2012 · Apt 3L
Close - Nonconst
Vermin
Apr 6, 2009 · Apt 2L
Close - Nonconst
Vermin
Jul 27, 2008 · Apt 3R
Close - Paint/plaster
Ceiling
Jul 27, 2008 · Apt 3R
Close - Paint/plaster
Ceiling
Jul 27, 2008 · Apt 3R
Close - Nonconst
Janitor/super
Jul 27, 2008 · Apt 3R
Close - Nonconst
Janitor/super
Jul 27, 2008 · Apt 3R
Close - Nonconst
Rubbish
Jul 9, 2008 · Apt 2R
Close - Nonconst
Rubbish
Jul 9, 2008 · Apt 2R
Close - Appliance
Electric/gas range
Jul 9, 2008 · Apt 2R
Close - General
Cooking gas
Jul 9, 2008 · Apt 3R
Close - Nonconst
Vermin
Jul 9, 2008 · Apt 3R
Close - General
Cooking gas
Jul 9, 2008 · Apt 2L
Close - Nonconst
Rubbish
Jul 9, 2008 · Apt 3R
Close - Nonconst
Vermin
Jul 9, 2008 · Apt 3R
Close - Nonconst
Vermin
Jun 18, 2008 · Apt 3R
Close - Nonconst
Rubbish
Jun 18, 2008 · Apt 3R
Close - Nonconst
Vermin
Jun 18, 2008 · Apt 3R
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Mixed residential and retail building (S4)
- Year built
- 1931
- Floors
- 3
- Residential units
- 4
- Building area
- 4,803 ft²
- Lot area
- 2,500 ft²
- Zoning
- R6
- Community board
- 304
- Council district
- 34
- Block / lot
- 3187 / 7
- Assessed value
- $532,800
- Landmark / historic district
- No
HPD registration #326510, last renewed Aug 31, 2025.
Questions about 221 Knickerbocker Avenue
Who owns 221 Knickerbocker Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Tang, Hong Qing.
Does 221 Knickerbocker Avenue have violations?
Yes. NYC HPD has recorded 26 housing violations at this property.
Is 221 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 221 Knickerbocker Avenue built?
City records list 1931 as the year it was built.
How many apartments are in 221 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.