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424 Hart Street

Brooklyn, NY 11221BBL 3-01596-0012Map

Owner of record: Q & O Estates INC

424 Hart Street is a walk-up apartment building built in 1899 in Brooklyn, 11221. It has 3 residential units across 2 floors. The owner of record is Q & O Estates INC. HPD has recorded 135 housing violations here, most recently on September 18, 2026. 34 of the 50 most recent violations are still open.

HPD violations
135
DOB violations
1
ECB violations
13
HPD complaints
123

What to know

Concern
8 open Class C

Immediately hazardous issues among recent violations are still open.

Watch
Last violation Sep 18, 2026

Date of the most recent HPD inspection that found a problem.

Good
No unpaid ECB fines

No balance due on recent ECB violations.

Rent stabilization

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 135

  • C

    Abate the nuisance consisting of evidence of rats and all underlying causes creating the pest infestations, by using integrated pest management (ipm), eliminate all burrow entry and passageways, pest nests, holes, gaps or cracks in walls, ceilings, floors, fixing leaks and managing garbage in public areas. evidence found at front yard

    Sep 18, 2026

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color spalding masonry at building entrance at north wall at public hall, 2nd story

    Jul 11, 2026

    Open — Nov sent out
  • C

    Abate the nuisance consisting of evidence of rats and all underlying causes creating the pest infestations, by using integrated pest management (ipm), eliminate all burrow entry and passageways, pest nests, holes, gaps or cracks in walls, ceilings, floors, fixing leaks and managing garbage in public areas. evidence found at rats at front areaway, 2nd story

    Jul 11, 2026

    Open — Nov sent out
  • C

    Install the missing or repair/replace the defective window guard(s) in accordance with the specifications of the new york city health code section 24 rcny chapter 12. wg to install = 2, wg to replace = 0, wg to repair = 0 in the entire apartment located at apt 3, 3rd story, 1st apartment from west at north

    Jul 11, 2026 · Apt 3

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective ceramic floor tiles in the bathroom located at apt 3, 3rd story, 1st apartment from west at north

    Jul 11, 2026 · Apt 3

    Open — Nov sent out
  • B

    Properly repair the source and abate the evidence of a water leak at south wall in the kitchen located at apt 3, 3rd story, 1st apartment from west at north

    Jul 11, 2026 · Apt 3

    Open — Nov sent out
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 3, 3rd story, 1st apartment from west at north

    Jul 11, 2026 · Apt 3

    Open — Nov sent out
  • C

    Properly repair or replace the broken or defective doorlock in the entrance located at apt 3, 3rd story, 1st apartment from west at north

    Jul 11, 2026 · Apt 3

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective electrical wall outlet at north wall inside closet at east wall in the entire apartment located at apt 3, 3rd story, 1st apartment from west at north

    Jul 11, 2026 · Apt 3

    Open — Nov sent out
  • B

    Properly secure the loose sink in the kitchen located at apt 3, 3rd story, 1st apartment from west at north

    Jul 11, 2026 · Apt 3

    Open — Nov sent out
Show 40 more ↓
  • A

    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 4, 2026

    Open — Nov sent out
  • I

    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 19, 2025

    Open — Info nov sent out
  • A

    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 9, 2025

    Open — Nov sent out
  • I

    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
  • A

    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
  • I

    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
  • B

    Properly repair with similar material the broken or defective vinyl floor tiles in the kitchen located at apt 1, 1st story, 1st apartment from east at south

    Jul 31, 2023 · Apt 1

    Open — Nov sent out
  • B

    Properly repair and abate unsafe electric wiring condition consisting of excessive extention cord in the 1st room from north located at apt 1, 1st story, 1st apartment from east at south

    Jul 31, 2023 · Apt 1

    Open — Nov sent out
  • B

    Properly repair and abate unsafe electric wiring condition consisting of excessive extention cord in the 2nd room from north located at apt 1, 1st story, 1st apartment from east at south

    Jul 31, 2023 · Apt 1

    Open — Nov sent out
  • C

    Properly repair with similar material the broken or defective fire retarding material at ceiling near the skylight at public hall, 2nd story

    Jul 31, 2023

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective cracked covering at entire roof

    Jul 31, 2023

    Open — Nov sent out
  • A

    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
  • I

    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
  • A

    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
  • I

    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
  • A

    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
  • I

    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
  • I

    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
  • C

    Remove the illegal fastening consisting of 2 slide bolts with eyes arranged to be lockable from inside in the kitchen located at apt 1, 1st apartment from south at west

    Oct 18, 2019 · Apt 1

    Closed — Violation closed
  • C

    M/d law abate the nuisance consisting of illegal gas tampering at apt a1 gas meter connected to boiler at cellar

    Feb 16, 2019

    Closed — Violation dismissed
  • C

    Properly repair the broken or defective window balance at lower window sash in the 3rd room from east at north located at apt a6, 1st story, 1st apartment from east at south

    Feb 16, 2019 · Apt A6

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department all walls, ceiling and baseboard through out in the entire apartment located at apt a6, 1st story, 1st apartment from east at south

    Feb 16, 2019 · Apt A6

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt a6, 1st story, 1st apartment from east at south

    Feb 16, 2019 · Apt A6

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt a6, 1st story, 1st apartment from east at south

    Feb 16, 2019 · Apt A6

    Closed — Violation dismissed
  • B

    Fire egress defective. remove obstructing bars or unlawful gates from window to fire escape or provide approved type gate window guard installed at fire escape window in the kitchen located at apt 3, 2nd story, 2nd apartment from east at south

    Feb 16, 2019 · Apt 3

    Open — First no access to re- inspect violation
  • A

    Paint with light colored paint to the satisfaction of this department at ceiling near skylight at public hall, 2nd story

    Feb 16, 2019

    Open — First no access to re- inspect violation
  • B

    Repair the roof so that it will not leak at ceiling near skylight at public hall, 2nd story

    Feb 16, 2019

    Open — First no access to re- inspect violation
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 3, 2nd story, 2nd apartment from east at south

    Feb 16, 2019 · Apt 3

    Open — First no access to re- inspect violation
  • I

    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 17, 2018

    Open — Not complied with
  • C

    Properly repair the source and abate the evidence of a water leak at ceiling and walls in the foyer located at bsmt-apt apt1, 1st bsmt-apt from south at west

    Sep 27, 2018 · Apt APT1

    Closed — Violation closed
  • C

    Repair the roof so that it will not leak at skylight in the 2nd room from north located at apt 3, 2nd story, 1st apartment from north at east

    Sep 27, 2018 · Apt 3

    Open — First no access to re- inspect violation
  • I

    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
  • I

    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 9, 2016

    Closed — Violation dismissed
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color all walls in the entire apartment located at apt 3, 3rd story, 1st apartment from north at east

    Dec 9, 2015 · Apt 3

    Closed — Violation closed
  • B

    Abate the nuisance consisting of roaches in the entire apartment located at apt 3, 3rd story, 1st apartment from north at east

    Dec 9, 2015 · Apt 3

    Closed — Violation dismissed
  • B

    Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 3, 3rd story, 1st apartment from north at east

    Dec 9, 2015 · Apt 3

    Closed — Violation closed
  • B

    Repair or replace the smoke detector missing in the entire apartment located at apt 3, 3rd story, 1st apartment from north at east

    Dec 9, 2015 · Apt 3

    Closed — Violation closed
  • B

    Fire egress defective. remove obstructing bars or unlawful gates from window to fire escape or provide approved type gate .. in the kitchen located at apt 3, 3rd story, 1st apartment from north at east

    Dec 9, 2015 · Apt 3

    Closed — Violation dismissed
  • B

    Properly repair the broken or defective wood base cabinet doors in the bathroom located at apt 3, 3rd story, 1st apartment from north at east

    Dec 9, 2015 · Apt 3

    Closed — Violation closed
  • B

    Properly secure the loose faucet at wash basin in the bathroom located at apt 3, 3rd story, 1st apartment from north at east

    Dec 9, 2015 · Apt 3

    Closed — Violation closed

DOB building violations · 1

  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Jan 13, 2011

    Dob violation - dismissed

ECB violations · 13

  • Class - 2

    Failure to comply w/the comm's order to file a cofc w/the dob.respondent failed to comply w/the comm's order to correct the violating conditions and file a cofc pursuan to 28-204.2 nov#34687556k.rem:correct vio

    Dec 22, 2010

    Resolve
  • Class - 1

    Failure to comply w/ comm's order to correct vio#34687556k for work w/o permit.1 class 'a' apt.no record of correction.comply w/ comm's order & obtain permit.

    Oct 19, 2010

    Resolve
  • Class - 1

    Failure to correct conditions, cited in nov 34687556k for work done without a permit. (class "a" apt). remedy: correct conditions cited

    Jun 30, 2010

    Resolve
  • Class - 1

    Failure to correct conditions cited in nov 34687556k for work done w/oa permit. remedy: correct conditions cited.

    Jan 13, 2010

    Resolve
  • Class - 1

    Failure to comply w/commissioner's order to correct vio #34687556k forwork w/o permit no record of correction remedy:comply w/comm's order and obtain permit

    Aug 20, 2009

    Resolve
  • Class - 2

    Failure to comply w/commissioner's order to file a cofc for vio #3468 7556k remedy:file cofc

    Aug 20, 2009

    Resolve
  • Class - 1

    Failure to comply with the commissioners order to obtain a permit per violation #34687556k, issued 08/04/08 for "work without permit" thruout. rem: comply with commissioners order.

    Mar 5, 2009

    Resolve
  • Class - 2

    Failure to maintain bldg walls or appurt. note:front of bldg bsmt window has missing broken glass & is open to element at bsmt remedy:replace window glass

    Jan 31, 2009 · Penalty $2,500

    Active
  • Class - 2

    Residence altered for occupancy as a dwelling for more than the legally approved number of families noted dept of records classifies bldg as 2 families bldg now altered reconfigured for 4 family dwelling

    Aug 4, 2008 · Penalty $6,000

    Active
  • Class - 1

    Work w/o a permit work noted partition erected thruout such that 2nd fl subdivided into 2 class a apt at 1st rear room entry to interior hallway are sealed 1st fl class a apart created plumbing line installed

    Aug 4, 2008

    Resolve
Show 3 more ↓
  • Class - 1

    Occupancy contrary to that allowed by c of o and dob records. class a apt created at basement. partitions erected creating rooms kitchen andbthrm fixtures present. remedy: discontinue illegal use of amended c o

    Jul 29, 2008 · Penalty $12,000

    Active
  • Non-hazardous

    Dwelling converted from 2 family to 3 family noted at basement level created apt with bathroom and kitchen remedy: discontinue illegal use or amend c of o

    May 28, 2008 · Penalty $2,500

    Active
  • Hazardous

    Failure to maintain bldg noted rotten fl joists below bathroom in basement level makes danger for tenants living in basement level stpes leading to the cellar cracked and broreu remedy: maintain bldg make safe

    May 28, 2008 · Penalty $2,500

    Active

Complaints

  • Heat/hot water

    Apartment only

    Oct 23, 2026 · Apt 3

    Open
  • Water leak

    Slow leak

    Oct 23, 2026 · Apt 2

    Open
  • Plumbing

    Toilet

    Oct 23, 2026 · Apt 2

    Open
  • Heat/hot water

    Entire building

    Oct 23, 2026 · Apt 2

    Open
  • Heat/hot water

    Entire building

    Oct 17, 2026 · Apt 3

    Close
  • Electric

    Outlet/switch

    Jul 8, 2026 · Apt 3

    Open
  • Plumbing

    Basin/sink

    Jul 8, 2026 · Apt 3

    Open
  • Appliance

    Electric/gas range

    Jul 8, 2026 · Apt 3

    Open
  • Safety

    Window guard broken/missing

    Jul 8, 2026 · Apt 3

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Jun 30, 2026 · Apt 3

    Close
Show 40 more ↓
  • Unsanitary condition

    Pests

    Jun 30, 2026 · Apt 3

    Close
  • Appliance

    Electric/gas range

    Jun 30, 2026 · Apt 3

    Close
  • Flooring/stairs

    Floor

    Jun 30, 2026 · Apt 3

    Close
  • Unsanitary condition

    Mold

    Jun 30, 2026 · Apt 3

    Close
  • General

    Cabinet

    Jun 30, 2026 · Apt 3

    Close
  • Electric

    Outlet/switch

    Jun 30, 2026 · Apt 3

    Close
  • Safety

    Window guard broken/missing

    Jun 30, 2026 · Apt 3

    Close
  • Heat/hot water

    Apartment only

    Nov 30, 2020 · Apt 2

    Close
  • Plumbing

    Bathtub/shower

    Dec 3, 2015 · Apt 3

    Close
  • Plumbing

    Toilet

    Dec 3, 2015 · Apt 3

    Close
  • Appliance

    Electric/gas range

    Dec 3, 2015 · Apt 3

    Close
  • Outside building

    Skylight

    Dec 3, 2015 · Apt 3

    Close
  • Unsanitary condition

    Pests

    Dec 3, 2015 · Apt 3

    Close
  • Electric

    Electric-supply

    Nov 3, 2012 · Apt 3

    Close
  • Heating

    Heat related

    Nov 3, 2012 · Apt 3

    Close
  • Heating

    Heat related

    Nov 3, 2012 · Apt 3

    Close
  • General

    Locks

    Oct 27, 2012 · Apt 3

    Close
  • Electric

    Wiring

    Oct 27, 2012 · Apt 3

    Close
  • Electric

    Electric-supply

    Oct 27, 2012 · Apt 3

    Close
  • Nonconst

    Rubbish

    Oct 18, 2012 · Apt 3

    Close
  • Electric

    Wiring

    Oct 18, 2012 · Apt 3

    Close
  • Electric

    Wiring

    Oct 18, 2012 · Apt 3

    Close
  • Heating

    Heat related

    Oct 18, 2012 · Apt 3

    Close
  • Nonconst

    Vermin

    Oct 18, 2012 · Apt 3

    Close
  • General

    Doors

    Oct 18, 2012 · Apt 3

    Close
  • Electric

    Wiring

    Oct 18, 2012 · Apt 3

    Close
  • General

    Mold

    Sep 13, 2011 · Apt 1

    Close
  • Paint/plaster

    Wall

    Sep 13, 2011 · Apt 1

    Close
  • Plumbing

    Water-leaks

    Sep 13, 2011 · Apt 1

    Close
  • General

    Windows

    Sep 13, 2011 · Apt 1

    Close
  • General

    Windows

    Sep 13, 2011 · Apt 1

    Close
  • Nonconst

    Rubbish

    Sep 13, 2011 · Apt 1

    Close
  • Nonconst

    Vermin

    Sep 13, 2011 · Apt 1

    Close
  • Nonconst

    Vermin

    Aug 12, 2011 · Apt 3

    Close
  • Nonconst

    Vermin

    Aug 12, 2011 · Apt 3

    Close
  • Nonconst

    Rubbish

    Aug 12, 2011 · Apt 3

    Close
  • Nonconst

    Vermin

    Aug 12, 2011 · Apt 3

    Close
  • Nonconst

    Vermin

    Aug 12, 2011 · Apt 3

    Close
  • Nonconst

    Vermin

    Aug 12, 2011 · Apt 3

    Close
  • Nonconst

    Vermin

    Aug 12, 2011 · Apt 3

    Close

Sales history

No recorded sales in our data

Sales come from the NYC Department of Finance rolling sales file.

Building details

Building type
Walk-up apartment building (C0)
Year built
1899
Floors
2
Residential units
3
Building area
2,220 ft²
Lot area
1,850 ft²
Zoning
R6B
Community board
303
Council district
36
Block / lot
1596 / 12
Assessed value
$72,120
Landmark / historic district
No

HPD registration #367808, last renewed Jul 21, 2009.

Questions about 424 Hart Street

Who owns 424 Hart Street?

The owner of record in NYC Department of City Planning PLUTO data is Q & O Estates INC.

Does 424 Hart Street have violations?

Yes. NYC HPD has recorded 135 housing violations at this property.

Is 424 Hart 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 424 Hart Street built?

City records list 1899 as the year it was built.

How many apartments are in 424 Hart Street?

It has 3 residential units.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.