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6123 4 Avenue

Brooklyn, NY 11220BBL 3-05791-0001Map

Owner of record: 6123 Realty LLC

6123 4 Avenue is a walk-up apartment building built in 1912 in Brooklyn, 11220. It has 9 residential units across 4 floors. The owner of record is 6123 Realty LLC. HPD has recorded 53 housing violations here, most recently on April 30, 2026. 32 of the 50 most recent violations are still open. City tax records listed 9 rent-stabilized apartments here in 2024.

HPD violations
53
DOB violations
9
ECB violations
1
HPD complaints
85

What to know

Concern
9 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation Apr 30, 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

Rent-stabilized units in 2024
9
About 100% of the building's 9 apartments

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.

Stabilized units by tax-bill year

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 · 53

  • 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 30, 2026

    Closed — Violation dismissed
  • 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 5, 2025

    Closed — Violation dismissed
  • 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 3, 2024

    Closed — Violation dismissed
  • 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 17, 2023

    Closed — Violation dismissed
  • 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 18, 2022

    Closed — Violation dismissed
  • B

    Properly repair the broken or defective intercom system at building front entrance door to return bell and buzzer at foyer located at apt 2c, 2nd story, 1st apartment from north at east

    Nov 14, 2021 · Apt 2C

    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.

    Apr 5, 2021

    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.

    Apr 5, 2021

    Closed — Violation dismissed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling, south wall in the kitchen located at apt 4b, 4th story, 1st apartment from east at south

    Sep 13, 2020 · Apt 4B

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling in the bathroom located at apt 4b, 4th story, 2nd apartment from east at south

    Sep 13, 2020 · Apt 4B

    Open — Nov sent out
Show 40 more ↓
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling, south wall, east wall, 1st closet from west at north wall wall in the 1st room from east located at apt 4b, 4th story, 1st apartment from east at south

    Sep 13, 2020 · Apt 4B

    Open — Nov sent out
  • B

    Repair or replace the smoke detector missing in the entire apartment located at apt 4b, 4th story, 1st apartment from east at south

    Sep 13, 2020 · Apt 4B

    Open — Nov sent out
  • B

    Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 4b, 4th story, 1st apartment from east at south

    Sep 13, 2020 · Apt 4B

    Open — Nov sent out
  • B

    Repair the roof so that it will not leak at ceiling at public hall, 4th story

    Sep 13, 2020

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective the ceiling, north south and east walls at public hall, 4th story

    Sep 13, 2020

    Open — Nov sent out
  • A

    Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the bathroom , the kitchen , the 1st room from east located at apt 4b, 4th story, 2nd apartment from east at south

    Sep 13, 2020 · Apt 4B

    Open — Nov sent out
  • C

    Arrange and make self-closing the doors , in the entrance located at apt 4b, 4th story, 11th apartment from south at west

    Dec 24, 2019 · Apt 4B

    Closed — Violation closed
  • B

    Properly repair the source and abate the evidence of a water leak at west wall in the 4th room from north located at apt 4b, 4th story, 11th apartment from south at west

    Dec 24, 2019 · Apt 4B

    Open — Nov sent out
  • A

    Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the 4th room from north, the bathroom , the kitchen located at apt 4b, 4th story, 11th apartment from south at west

    Dec 24, 2019 · Apt 4B

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the south wall in the 1st room from east located at apt 2c, 2nd story, 1st apartment from north at east

    Mar 30, 2018 · Apt 2C

    Open — Invalid certification
  • B

    Trace and repair the source and abate the nuisance consisting of mold ... all walls and ceiling in the closet.... in the 1st room from east located at apt 2c, 2nd story, 1st apartment from north at east

    Mar 30, 2018 · Apt 2C

    Open — Invalid certification
  • B

    Arrange and make self-closing the doors .... in the entrance located at apt 2c, 2nd story, 1st apartment from north at east

    Mar 30, 2018 · Apt 2C

    Open — Invalid certification
  • B

    Abate the nuisance consisting of mice in the entire apartment located at apt 2c, 2nd story, 1st apartment from north at east

    Mar 30, 2018 · Apt 2C

    Open — Invalid certification
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes ( north / east ) balcony , 3rd story

    May 15, 2017

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective ceramic tiles at all walls in the bathroom located at apt 2c, 2nd story, apartment at south

    Mar 10, 2017 · Apt 2C

    Closed — Violation dismissed
  • A

    Properly repair the broken or defective inoperative bell buzzer intercom system from building entrance to apartment to located at apt 2c, 2nd story, apartment at south

    Mar 10, 2017 · Apt 2C

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective wood floor at walking area in the 3rd room from north located at apt 2c, 2nd story, apartment at south

    Mar 10, 2017 · Apt 2C

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective vinyl floor tiles at walking area in the 3rd room from north located at apt 2c, 2nd story, apartment at south

    Mar 10, 2017 · Apt 2C

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective vinyl floor tile at walking area in the kitchen located at apt 2c, 2nd story, apartment at south

    Mar 10, 2017 · Apt 2C

    Closed — Violation dismissed
  • B

    Abate the nuisance consisting of mice in the entire apartment located at apt 2c, 2nd story, apartment at south

    Mar 10, 2017 · Apt 2C

    Closed — Violation dismissed
  • A

    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

    Mar 10, 2017

    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.

    Oct 6, 2015

    Closed — Violation dismissed
  • A

    Properly repair with similar material the broken or defective vinyl floor tile in the kitchen located at apt 2c, 2nd story, 1st apartment from north at east

    Feb 11, 2015 · Apt 2C

    Closed — Violation dismissed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color all walls and ceiling in the entire apartment located at apt 2c, 2nd story, 1st apartment from north at east

    Feb 11, 2015 · Apt 2C

    Open — Nov certified late
  • B

    Repair the flushing apparatus and maintain same so as to flush effectively the water closet , in the bathroom located at apt 2c, 2nd story, 1st apartment from north at east

    Feb 11, 2015 · Apt 2C

    Open — Nov certified late
  • B

    Repair or replace the smoke detector missing located at apt 2b, 2nd story, 1st apartment from south at west

    Jul 13, 2010 · Apt 2B

    Closed — Violation dismissed
  • C

    Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system , at public hall, 1st story

    Jul 13, 2010

    Open — Nov sent out
  • A

    Section 329, m/d law and dept. rules and regs. provide a completed certificate of inspection visits in a proper frame at or near mailboxes, bottom edge of frame between 48-62 inches above floor , at public hall, 1st story

    Jul 13, 2010

    Open — Not complied with
  • A

    Post and maintain a proper sign on wall of entrance story showing the registration number assigned by the department and the address of the building. at public hall, 1st story

    Jul 13, 2010

    Open — Not complied with
  • B

    Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the household items at public hall, 1st story

    Jul 13, 2010

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department walls and ceiling at all stories at public hall

    Jul 13, 2010

    Open — Not complied with
  • B

    Properly repair with similar material the broken or defective fire retardant material north wall at public hall, 4th story

    Jul 13, 2010

    Closed — Violation dismissed
  • C

    Remove or cover in a manner approved by the department the peeling lead paint ceiling north south east and west walls bathroom 2 sty south apt 2b er1 97008373. , section '' ''

    Mar 14, 1997 · Apt 2B

    Open — Defect letter issued
  • C

    Remove or cover in a manner approved by the department the peeling lead paint ceiling south wall north wall east wall and west wall east room 2 sty south apt 2b rodriguez 833 5731 er1 97008373. , section '' ''

    Mar 14, 1997 · Apt 2B

    Open — Defect letter issued
  • C

    Remove or cover in a manner approved by the department the peeling lead paint ceiling south north walls west wall private hall 2 sty south apt 2b er1 97008373. , section '' ''

    Mar 14, 1997 · Apt 2B

    Open — Defect letter issued
  • C

    Remove or cover in a manner approved by the department the peeling lead paint ceiling south north east and west walls kitchen 2 sty south apt 2b er1 97008373. , section '' ''

    Mar 14, 1997 · Apt 2B

    Open — Defect letter issued
  • C

    Remove or cover in a manner approved by the department the peeling lead paint ceiling south north east and west walls west room 2 sty south apt 2b er1 97008373. , section '' ''

    Mar 14, 1997 · Apt 2B

    Open — Defect letter issued
  • C

    Remove or cover in a manner approved by the department the peeling lead paint ceiling kitchen 2 sty south 2nd from west apt 2b rodriquez 567 9567 er1 96023876 located at apt 2b

    Aug 10, 1996 · Apt 2B

    Open — Defect letter issued
  • C

    Remove or cover in a manner approved by the department the peeling lead paint ceiling west room 2 sty south 2nd from west apt 2b er1 96023876 located at apt 2b

    Aug 10, 1996 · Apt 2B

    Open — Defect letter issued
  • C

    Remove or cover in a manner approved by the department the peeling lead paint south wall west room 2 sty south 2nd from west apt 2b er1 96023876 located at apt 2b

    Aug 10, 1996 · Apt 2B

    Open — Defect letter issued

DOB building violations · 9

  • 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-failure to file 2021 external low pressure inspection

    Jun 30, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2018 external low pressure inspection

    Jun 20, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2022 external low pressure inspection

    Apr 25, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Lblvio-low pressure boiler boiler required

    Dec 31, 2009

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 10, 1997

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 16, 1993

    Dob violation - active
  • Construction other optional

    C-construction other optional

    Feb 14, 1989

    Dob violation - dismissed
  • Zoning none

    Z-zoning none

    Feb 14, 1989

    Dob violation - dismissed

ECB violations · 1

  • Non-hazardous

    Work without a permit.noted curb cut installed at south side of main entrance.curb cut approx 10'ft wide.remedy:obtain permit or restore to prior legal condition.

    Dec 16, 2004

    Resolve

Complaints

  • General

    Bell/buzzer/intercom

    Nov 10, 2021 · Apt 2C

    Close
  • Heat/hot water

    Apartment only

    Nov 10, 2021 · Apt 2C

    Close
  • Heat/hot water

    Entire building

    Nov 6, 2021 · Apt 2C

    Close
  • General

    Bell/buzzer/intercom

    Nov 3, 2021 · Apt 2C

    Close
  • Heat/hot water

    Apartment only

    Nov 3, 2021 · Apt 2C

    Close
  • Unsanitary condition

    Mold

    Oct 26, 2021 · Apt 3A

    Close
  • Water leak

    Heavy flow

    Oct 26, 2021 · Apt 3A

    Close
  • Water leak

    Damp spot

    Sep 9, 2020 · Apt 4B

    Close
  • Heat/hot water

    Apartment only

    Feb 28, 2020 · Apt 3A

    Close
  • Water leak

    Heavy flow

    Dec 18, 2019 · Apt 4B

    Close
Show 40 more ↓
  • Water leak

    Heavy flow

    Dec 18, 2019 · Apt 4B

    Close
  • Water leak

    Heavy flow

    Dec 18, 2019 · Apt 4B

    Close
  • Heat/hot water

    Entire building

    Dec 3, 2019 · Apt 3A

    Close
  • Unsanitary condition

    Garbage/recycling storage

    May 30, 2019 · Apt BLDG

    Close
  • Paint/plaster

    Wall

    Mar 12, 2018 · Apt 2C

    Close
  • Unsanitary condition

    Mold

    Mar 12, 2018 · Apt 2C

    Close
  • Paint/plaster

    Wall

    Mar 12, 2018 · Apt 2C

    Close
  • Appliance

    Electric/gas range

    Mar 2, 2017 · Apt 2C

    Close
  • Flooring/stairs

    Floor

    Mar 2, 2017 · Apt 2C

    Close
  • Flooring/stairs

    Floor

    Mar 2, 2017 · Apt 2C

    Close
  • General

    Bell/buzzer/intercom

    Mar 2, 2017 · Apt 2C

    Close
  • Paint/plaster

    Wall

    Mar 2, 2017 · Apt 2C

    Close
  • Heat/hot water

    Entire building

    Nov 21, 2016 · Apt BLDG

    Close
  • Unsanitary condition

    Mold

    Jul 28, 2015 · Apt 2C

    Close
  • Appliance

    Electric/gas range

    Jul 28, 2015 · Apt 2C

    Close
  • Plumbing

    Bathtub/shower

    Jul 28, 2015 · Apt 2C

    Close
  • Electric

    Lighting

    Jul 28, 2015 · Apt 2C

    Close
  • Appliance

    Refrigerator

    Jun 23, 2015 · Apt 2C

    Close
  • Paint/plaster

    Wall

    Feb 9, 2015 · Apt 2C

    Close
  • Electric

    Power outage

    Feb 9, 2015 · Apt 2C

    Close
  • Flooring/stairs

    Floor

    Feb 9, 2015 · Apt 2C

    Close
  • Paint/plaster

    Ceiling

    Feb 9, 2015 · Apt 2C

    Close
  • Flooring/stairs

    Floor

    Feb 9, 2015 · Apt 2C

    Close
  • Appliance

    Refrigerator

    Feb 9, 2015 · Apt 2C

    Close
  • General

    Ventilation system

    Feb 9, 2015 · Apt 2C

    Close
  • Plumbing

    Toilet

    Feb 9, 2015 · Apt 2C

    Close
  • Door/window

    Window pane

    Feb 9, 2015 · Apt 2C

    Close
  • Plumbing

    Toilet

    Feb 9, 2015 · Apt 2C

    Close
  • Unsanitary condition

    Pests

    Feb 9, 2015 · Apt 2C

    Close
  • General

    Floor

    Aug 27, 2009 · Apt 2A

    Close
  • Paint/plaster

    Ceiling

    Aug 27, 2009 · Apt 2A

    Close
  • Electric

    Wiring

    Aug 27, 2009 · Apt 2A

    Close
  • General

    Floor

    Aug 27, 2009 · Apt 2A

    Close
  • General

    Floor

    Aug 27, 2009 · Apt 2A

    Close
  • General

    Floor

    Aug 27, 2009 · Apt 2A

    Close
  • General

    Floor

    Aug 27, 2009 · Apt 2A

    Close
  • Paint/plaster

    Ceiling

    Aug 27, 2009 · Apt 2A

    Close
  • Plumbing

    Bathtub/shower

    Aug 27, 2009 · Apt 2A

    Close
  • General

    Floor

    Aug 27, 2009 · Apt 2A

    Close
  • General

    Floor

    Aug 27, 2009 · Apt 2A

    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 (C7)
Year built
1912
Floors
4
Residential units
9
Building area
9,250 ft²
Lot area
2,500 ft²
Zoning
R7A
Community board
307
Council district
38
Block / lot
5791 / 1
Assessed value
$521,100
Landmark / historic district
No

HPD registration #339738, last renewed Aug 29, 2025.

Questions about 6123 4 Avenue

Who owns 6123 4 Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 6123 Realty LLC.

Does 6123 4 Avenue have violations?

Yes. NYC HPD has recorded 53 housing violations at this property.

Is 6123 4 Avenue rent stabilized?

NYC Department of Finance tax bills listed 9 rent-stabilized units here in 2024 (about 100% of its 9 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 6123 4 Avenue built?

City records list 1912 as the year it was built.

How many apartments are in 6123 4 Avenue?

It has 9 residential units and 13 units in total.

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