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4121 7 Avenue

Brooklyn, NY 11232BBL 3-00922-0002Map

Owner of record: 4121 7th Avenue Realty LLC

4121 7 Avenue is a walk-up apartment building built in 1915 in Brooklyn, 11232. It has 16 residential units across 4 floors. The owner of record is 4121 7th Avenue Realty LLC. HPD has recorded 88 housing violations here, most recently on April 30, 2026. 1 of the 50 most recent violations are still open. City tax records listed 16 rent-stabilized apartments here in 2024.

HPD violations
88
DOB violations
7
ECB violations
1
HPD complaints
636

What to know

Concern
1 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
16
About 100% of the building's 16 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 · 88

  • 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
  • C

    Properly repair or replace the broken or defective lower window sash at west in the 3rd room from east located at apt h, 2nd story, 2nd apartment from north at east

    Mar 22, 2026 · Apt H

    Closed — Violation dismissed
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes airconditioner protruding beyond window sill approx more than 4 inches at 1st stack from east at south building front at fire escape, 2nd story

    Mar 20, 2025

    Closed — Violation dismissed
  • C

    Properly repair or replace the broken or defective glass at lower sash west 1 window in the 2nd room from north located at apt l, 3rd story, 1st apartment from west at north

    Mar 20, 2025 · Apt L

    Open — Nov certified late
  • B

    Properly repair with similar material the broken or defective ceramic floor tiles at public hall, 1st story

    Aug 27, 2024

    Closed — Violation closed
  • A

    § 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 missing at public hall, 1st story

    Aug 27, 2024

    Closed — Violation closed
  • B

    Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt h, 2nd story, 2nd apartment from west at north

    Aug 27, 2024 · Apt H

    Closed — Violation closed
  • B

    Repair or replace the smoke detector missing in the entire apartment located at apt h, 2nd story, 2nd apartment from west at north

    Aug 27, 2024 · Apt H

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color ceiling in the 2nd room from north located at apt h, 2nd story, 2nd apartment from west at north

    Aug 27, 2024 · Apt H

    Closed — Violation closed
  • B

    Properly repair or replace the broken or defective glass over door leading to north east 1 room in the 2nd room from north located at apt h, 2nd story, 2nd apartment from west at north

    Aug 27, 2024 · Apt H

    Closed — Violation closed
Show 40 more ↓
  • A

    § 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 frame missing at public hall, 1st story

    Jul 22, 2024

    Closed — Violation closed
  • 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 22, 2024

    Closed — Violation closed
  • B

    Trace and repair the source and abate the visible mold condition... approximately 6 square feet at masonry cements, grouts joints of the west, north, east walls around bathtub and window sill 1st from north, in the bathroom located at apt e, 2nd story, 1st apartment from north at east original violation 17049237 issued 14-jun-24 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).

    Jun 14, 2024 · Apt E

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective [ hinges springs ] in the entrance located at apt e, 2nd story, 1st apartment from north at east

    Jun 14, 2024 · Apt E

    Closed — Violation closed
  • C

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

    Jun 14, 2024 · Apt E

    Closed — Violation closed
  • A

    Trace and repair the source and abate the visible mold condition... approximately 6 square feet at masonry cements, grouts joints of the west, north, east walls around bathtub and window sill 1st from north, in the bathroom located at apt e, 2nd story, 1st apartment from north at east

    Jun 14, 2024 · Apt E

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective wood window header frame and sill 1st from north at east, in the 1st room from east at south located at apt e, 2nd story, 1st apartment from north at east

    Jun 14, 2024 · Apt E

    Closed — Violation dismissed
  • B

    Properly repair the source and abate the evidence of a water leak at the window header frame 1st from north at east , in the 1st room from east at south located at apt e, 2nd story, 1st apartment from north at east

    Jun 14, 2024 · Apt E

    Closed — Violation dismissed
  • B

    Properly repair or replace the broken or defective wood floor tiles, in the 1st room from east at south located at apt e, 2nd story, 1st apartment from north at east

    Jun 14, 2024 · Apt E

    Closed — Violation dismissed
  • B

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

    Jun 14, 2024 · Apt E

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective wood window sill 1st from north at east , in the 1st room from east at north located at apt e, 2nd story, 1st apartment from north at east

    Jun 14, 2024 · Apt E

    Closed — Violation dismissed
  • B

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

    Jun 14, 2024 · Apt E

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective masonry cements at grouts joints of the west, north and east walls around bathtub, in the bathroom located at apt e, 2nd story, 1st apartment from north at east

    Jun 14, 2024 · Apt E

    Closed — Violation dismissed
  • B

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

    Jun 14, 2024 · Apt E

    Closed — Violation dismissed
  • B

    Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt e, 2nd story, 1st apartment from north at east

    Jun 14, 2024 · Apt E

    Closed — Violation dismissed
  • B

    Repair or replace the smoke detector missing in the entire apartment located at apt e, 2nd story, 1st apartment from north at east

    Jun 14, 2024 · Apt E

    Closed — Violation dismissed
  • B

    M/d law abate the nuisance consisting of slide bolt with eyelet device assembly installed inside of the apartment door, in the entrance located at apt e, 2nd story, 1st apartment from north at east

    Jun 14, 2024 · Apt E

    Closed — Violation dismissed
  • A

    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

    Jun 14, 2024

    Closed — Violation closed
  • A

    § 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 [ missing accessable frame ] at public hall, 1st story

    Jun 14, 2024

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective in the entrance located at apt h, 2nd story, 2nd apartment from south at west

    Dec 27, 2022 · Apt H

    Closed — Violation closed
  • C

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

    Dec 27, 2022 · Apt H

    Closed — Violation dismissed
  • A

    § 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 missing at public hall, 1st story

    Dec 27, 2022

    Closed — Violation dismissed
  • B

    Properly repair the broken or defective door lock in the entrance located at apt o, 1st story

    Jul 15, 2019 · Apt O

    Closed — Violation dismissed
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt l, 3rd story, 1st apartment from west at north

    Oct 15, 2018 · Apt L

    Closed — Violation closed
  • B

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

    Oct 15, 2018 · Apt L

    Closed — Violation closed
  • A

    § 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 missing at public hall, 1st story

    Nov 21, 2016

    Closed — Violation dismissed
  • 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

    Nov 21, 2016

    Closed — Violation dismissed
  • C

    Remove the illegal fastening key operated lock installed on the door with access to fire escape window in the 1st room from north at west located at apt h, 2nd story, 2nd apartment from west at north

    Nov 21, 2016 · Apt H

    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 agency?s housing information guide. a sample notice can be found at www.nyc.gov/hpd. at public hall, 1st story

    Mar 4, 2015

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective ceramic tiles at east wall in the bathroom located at apt d, 1st story, 2nd apartment from north at east

    Jun 28, 2014 · Apt D

    Closed — Violation closed
  • B

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

    Jun 28, 2014 · Apt D

    Closed — Violation closed
  • B

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

    Jun 28, 2014 · Apt D

    Closed — Violation closed
  • B

    Properly repair the source and abate the evidence of a water leak at ceiling and east wall in the bathroom located at apt d, 1st story, 2nd apartment from north at east

    Jun 28, 2014 · Apt D

    Closed — Violation closed
  • B

    Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. in the entire apartment located at apt o, 4th story, 2nd apartment from north at east

    Dec 29, 2013 · Apt O

    Closed — Violation dismissed
  • B

    Repair or replace the smoke detector defective in the entire apartment located at apt o, 4th story, 2nd apartment from north at east

    Dec 29, 2013 · Apt O

    Closed — Violation dismissed
  • C

    M/d law abate the nuisance consisting of unsealed dumbwaiter at public hall, 4th story

    Dec 24, 2013

    Closed — Violation closed
  • C

    M/d law abate the nuisance consisting of dumbwaiter unsealed at public hall, 3rd story

    Dec 24, 2013

    Closed — Violation closed
  • C

    M/d law abate the nuisance consisting of dumbwaiter unsealed at public hall, 2nd story

    Dec 24, 2013

    Closed — Violation closed
  • C

    Provide ready access to buildings heating system door locked at cellar

    Dec 18, 2013

    Closed — Violation closed
  • 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

    Dec 18, 2013

    Closed — Violation closed

DOB building violations · 7

  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 1, 2009

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 19, 2007

    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

    Feb 10, 1997

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jun 1, 1994

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 16, 1993

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jun 1, 1993

    Dob violation - dismissed

ECB violations · 1

  • Hazardous

    Failure to maintain bldg(cellar ceiling) note:at cellar level the entire ceiling flr joists are exposed w/no fire retarded affecting the fire stopping for the above flrs.remedy:maintain fire retarded ceiling

    Oct 24, 2006 · Penalty $800

    Resolve

Complaints

  • Heat/hot water

    Entire building

    Dec 15, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 6, 2025 · Apt BLDG

    Close
  • Paint/plaster

    Wall

    Jul 20, 2024 · Apt H

    Close
  • Electric

    Lighting

    Jun 9, 2024 · Apt H

    Close
  • Electric

    No lighting

    Jun 9, 2024 · Apt H

    Close
  • Water leak

    Heavy flow

    Jun 9, 2024 · Apt H

    Close
  • Flooring/stairs

    Floor

    Apr 9, 2024 · Apt E

    Close
  • Paint/plaster

    Window/frame

    Apr 9, 2024 · Apt E

    Close
  • Water leak

    Slow leak

    Apr 9, 2024 · Apt E

    Close
  • Heat/hot water

    Entire building

    Dec 30, 2022 · Apt E

    Close
Show 40 more ↓
  • Heat/hot water

    Entire building

    Dec 27, 2022 · Apt H

    Close
  • Heat/hot water

    Entire building

    Dec 23, 2022 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 3, 2022 · Apt BLDG

    Close
  • Safety

    Carbon monoxide detector

    Nov 9, 2021 · Apt H

    Close
  • Unsanitary condition

    Mold

    Nov 9, 2021 · Apt H

    Close
  • Unsanitary condition

    Pests

    Nov 5, 2021 · Apt H

    Close
  • Heat/hot water

    Entire building

    Dec 15, 2019 · Apt D

    Close
  • Door/window

    Door

    Jul 22, 2019 · Apt O

    Close
  • Door/window

    Door

    Jul 10, 2019 · Apt O

    Close
  • Heat/hot water

    Entire building

    Feb 11, 2019 · Apt 2G

    Close
  • Heat/hot water

    Entire building

    Jan 21, 2019 · Apt R

    Close
  • Heat/hot water

    Entire building

    Oct 22, 2018 · Apt G

    Close
  • Heat/hot water

    Entire building

    Oct 14, 2018 · Apt L

    Close
  • Heat/hot water

    Apartment only

    Jan 5, 2018 · Apt APTL

    Close
  • Heat/hot water

    Entire building

    Jan 5, 2018 · Apt E

    Close
  • Heat/hot water

    Entire building

    Oct 26, 2017 · Apt L

    Close
  • Heat/hot water

    Entire building

    Feb 10, 2017 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 9, 2017 · Apt C

    Close
  • Heat/hot water

    Entire building

    Nov 20, 2016 · Apt C

    Close
  • Heat/hot water

    Entire building

    Feb 11, 2016 · Apt C

    Close
  • Heat/hot water

    Entire building

    Dec 31, 2015 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 3, 2015 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 12, 2015 · Apt A

    Close
  • Heat/hot water

    Entire building

    Oct 27, 2015 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 25, 2015 · Apt 3K

    Close
  • Heat/hot water

    Entire building

    Apr 24, 2015 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Apr 23, 2015 · Apt C

    Close
  • Heat/hot water

    Apartment only

    Feb 28, 2015 · Apt D

    Close
  • Heat/hot water

    Entire building

    Feb 24, 2015 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Feb 21, 2015 · Apt D

    Close
  • Heat/hot water

    Apartment only

    Feb 20, 2015 · Apt D

    Close
  • Heat/hot water

    Entire building

    Feb 20, 2015 · Apt O

    Close
  • Heat/hot water

    Entire building

    Feb 20, 2015 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 18, 2015 · Apt O

    Close
  • Heat/hot water

    Entire building

    Jan 8, 2015 · Apt C

    Close
  • Heating

    Heat related

    Dec 31, 2014 · Apt NA

    Close
  • Heating

    Heat related

    Dec 31, 2014 · Apt O

    Close
  • Heat/hot water

    Entire building

    Dec 19, 2014 · Apt C

    Close
  • Heat/hot water

    Entire building

    Nov 27, 2014 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 2, 2014 · Apt BLDG

    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 (C1)
Year built
1915
Floors
4
Residential units
16
Building area
13,248 ft²
Lot area
4,516 ft²
Zoning
R7A
Community board
307
Council district
38
Block / lot
922 / 2
Assessed value
$718,200
Landmark / historic district
No

HPD registration #316806, last renewed Jun 25, 2026.

Questions about 4121 7 Avenue

Who owns 4121 7 Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 4121 7th Avenue Realty LLC.

Does 4121 7 Avenue have violations?

Yes. NYC HPD has recorded 88 housing violations at this property.

Is 4121 7 Avenue rent stabilized?

NYC Department of Finance tax bills listed 16 rent-stabilized units here in 2024 (about 100% of its 16 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 4121 7 Avenue built?

City records list 1915 as the year it was built.

How many apartments are in 4121 7 Avenue?

It has 16 residential units.

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