646 Leonard Street
Brooklyn, NY 11222BBL 3-02621-0050Map
Owner of record: Chojnowski, Wieslawa
646 Leonard Street is a walk-up apartment building built in 1928 in Brooklyn, 11222. It has 8 residential units across 4 floors. The owner of record is Chojnowski, Wieslawa. HPD has recorded 29 housing violations here, most recently on May 5, 2026. 29 of the 29 most recent violations are still open.
- HPD violations
- 29
- DOB violations
- 2
- ECB violations
- 0
- HPD complaints
- 20
What to know
No open immediately-hazardous violations among recent records.
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 · 29
- 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
Open — Info 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.
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 27, 2024
Open — Info 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.
Apr 10, 2024
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 21, 2023
Open — Info 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 - 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, 2022
Open — Info 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.
Feb 25, 2022
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.
Feb 25, 2022
Open — Info nov sent out
Show 19 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
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.
Apr 9, 2021
Open — Info 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 30, 2019
Open — Info 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 18, 2018
Open — Info 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 27, 2017
Open — Info 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
Open — Info 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
Open — Info 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.
Feb 23, 2015
Open — Info nov sent out - BHazardous
M/d law abate the nuisance consisting of exposed electrical wires at all ceiling throughout located at apt 3l, 3rd story, 1st apartment from north at east
Sep 30, 2010 · Apt 3L
Open — Nov certified late - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color walls in the entire apartment located at apt 3l, 3rd story, 1st apartment from north at east
Sep 30, 2010 · Apt 3L
Open — Nov certified late - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color ceiling in the entire apartment located at apt 3l, 3rd story, 1st apartment from north at east
Sep 30, 2010 · Apt 3L
Open — Nov certified late - BHazardous
Fire egress defective. remove obstructing bars or unlawful gates from window to fire escape or provide approved type gate .. in the entire apartment located at apt 8, 4th story, 2nd apartment from north at east
Dec 22, 2005 · Apt 8
Open — Nov sent out - ANon-hazardous
Refit lower sash window 4 sty north apt 7 kitchen. , section '' ''
Jul 6, 1989 · Apt 7
Open — Nov sent out - ANon-hazardous
Paint with light colored paint to the satisfaction of this department ceiling 2nd room from front 4 sty north apt 7 , section '' ''
Jul 6, 1989 · Apt 7
Open — Nov sent out - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color ceiling 4 sty west apt 7 kitchen. , section '' ''
Jun 14, 1989 · Apt 7
Open — Nov sent out - BHazardous
Properly repair the broken or defective window sashes make operable 4 sty west apt 7 kitchen. , section '' ''
Jun 14, 1989 · Apt 7
Open — Nov sent out - BHazardous
D26-10.01 adm code repair the broken or defective plastered surfaces and paint in a uniform color ceiling 2 sty north apt ir kitchen.
Oct 15, 1986
Open — Nov sent out - ANon-hazardous
D26-12.01 adm code paint with light colored paint to the satisfaction of this department walls & ceiilngs 2 sty north apt thru out.
Oct 15, 1986
Open — Nov sent out - BHazardous
D26-11.01, 11.03, 11.05 adm code remove the accumulation of refuse and/or rubbish and maintain in a clean condition the north air shaft r148.
Jun 19, 1986
Open — Nov sent out
DOB building violations · 2
- Low pressure boiler boiler required
Violation issued-failure to file 2024 external low pressure inspection
Nov 14, 2025
Dob violation - active - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2017 inspection report
Nov 8, 2019
Dob violation - active
ECB violations · 0
No ECB violations on record
Complaints
- Paint/plaster
Ceiling
Sep 29, 2010 · Apt 3L
Close - Paint/plaster
Wall
Sep 29, 2010 · Apt 3L
Close - Paint/plaster
Ceiling
Sep 29, 2010 · Apt 3L
Close - Paint/plaster
Ceiling
Sep 29, 2010 · Apt 3L
Close - Paint/plaster
Ceiling
Sep 29, 2010 · Apt 3L
Close - Paint/plaster
Wall
Sep 29, 2010 · Apt 3L
Close - Paint/plaster
Wall
Sep 29, 2010 · Apt 3L
Close - Electric
Wiring
Sep 29, 2010 · Apt 3L
Close - Electric
Wiring
Sep 29, 2010 · Apt 3L
Close - Heating
Heat related
Mar 16, 2007 · Apt BLDG
Close
Show 10 more ↓
- Heating
Heat related
Mar 6, 2007 · Apt BLDG
Close - Heating
Heat related
Oct 15, 2006 · Apt BLDG
Close - Heating
Heat related
Apr 22, 2006 · Apt BLDG
Close - Heating
Heat related
Jan 18, 2006 · Apt BLDG
Close - Heating
Heat related
Jan 1, 2006 · Apt BLDG
Close - Heating
Heat related
Dec 31, 2005 · Apt BLDG
Close - Heating
Heat related
Dec 13, 2005 · Apt 8
Close - Heating
Heat related
Oct 29, 2005 · Apt BLDG
Close - Heating
Heat related
Oct 23, 2005 · Apt BLDG
Close - Heating
Heat related
Oct 23, 2005 · Apt BLDG
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C1)
- Year built
- 1928
- Floors
- 4
- Residential units
- 8
- Building area
- 6,160 ft²
- Lot area
- 2,500 ft²
- Zoning
- R6B
- Community board
- 301
- Council district
- 33
- Block / lot
- 2621 / 50
- Assessed value
- $1,320,750
- Landmark / historic district
- No
HPD registration #353353, last renewed Apr 21, 2004.
Questions about 646 Leonard Street
Who owns 646 Leonard Street?
The owner of record in NYC Department of City Planning PLUTO data is Chojnowski, Wieslawa.
Does 646 Leonard Street have violations?
Yes. NYC HPD has recorded 29 housing violations at this property.
Is 646 Leonard Street 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 646 Leonard Street built?
City records list 1928 as the year it was built.
How many apartments are in 646 Leonard Street?
It has 8 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.