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3921 9 Avenue

Brooklyn, NY 11232BBL 3-05583-0001Map

Owner of record: 3917 LLC.

3921 9 Avenue is a mixed residential and retail building built in 1930 in Brooklyn, 11232. It has 2 residential units across 3 floors. The owner of record is 3917 LLC.. HPD has recorded 38 housing violations here, most recently on April 30, 2026. 24 of the 38 most recent violations are still open.

HPD violations
38
DOB violations
6
ECB violations
2
HPD complaints
37

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

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 · 38

  • 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
  • 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 20, 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.

    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 20, 2023

    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 14, 2022

    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.

    Feb 18, 2022

    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
  • 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
  • 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
Show 28 more ↓
  • 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 28, 2019

    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.

    Oct 12, 2018

    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.

    Oct 6, 2015

    Closed — Violation dismissed
  • B

    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 a minimum of 100 watts of incandescent light required. (light fixture present)

    Feb 8, 2015

    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., 1st story

    Jun 20, 2006

    Open — Nov certified late
  • B

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

    Jun 17, 2006 · Apt 2L

    Open — Nov certified late
  • B

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

    Jun 17, 2006 · Apt 2L

    Open — Nov certified late
  • B

    Repair or replace the smoke detector missing in the private hallway located at apt 2l, 2nd story, apartment at east

    Mar 28, 2006 · Apt 2L

    Open — Nov sent out
  • B

    Abate the nuisance consisting of vermin bedbugs [cimex lectularius ] in the entire apartment located at apt 2l, 2nd story, apartment at east

    Mar 28, 2006 · Apt 2L

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color walls and ceiling in the entire apartment located at apt 2l, 2nd story, apartment at east

    Mar 28, 2006 · Apt 2L

    Open — Nov sent out
  • B

    Properly repair the broken or defective improperly counterbalansed lower window sash in the kitchen located at apt 2l, 2nd story

    Aug 6, 2001 · Apt 2L

    Open — Nov sent out
  • A

    Paint with light colored paint to the satisfaction of this department through out in the entire apartment located at apt 2l, 2nd story

    Aug 6, 2001 · Apt 2L

    Open — Nov sent out
  • B

    Properly repair the broken or defective ceramic tile floor in the bathroom located at apt 2l, 2nd story

    Aug 6, 2001 · Apt 2L

    Open — Nov sent out
  • B

    Replace with new the broken or defective west window upper sash glass pane broken in the 2nd room from east at north located at apt 2l, 2nd story, apartment at north

    Aug 6, 2001 · Apt 2L

    Open — Nov sent out
  • B

    Replace with new the broken or defective upper window sash glass pane broken in the kitchen located at apt 2l, 2nd story

    Aug 6, 2001 · Apt 2L

    Open — Nov sent out
  • B

    M/d law abate the nuisance consisting of evidence of leak in the 1st room from east at south located at apt 2l, 2nd story, apartment at north

    Aug 6, 2001 · Apt 2L

    Open — Nov sent out
  • B

    M/d law abate the nuisance consisting of evidence of leak in the 1st room from east at north located at apt 2l, 2nd story, apartment at north

    Aug 6, 2001 · Apt 2L

    Open — Nov sent out
  • B

    Repair or replace the smoke detector missing, mr.rodriguez in the entire apartment located at apt 2l, 2nd story

    Aug 6, 2001 · Apt 2L

    Open — Nov sent out
  • A

    D26-10.01 adm code replace with new the broken or defective plaster boards cellar ceiling center.

    May 8, 1989

    Open — Nov sent out
  • A

    D26-21.03 adm code paint or post a sign indicating floors on walls at or near stairs all stys pub halls.

    May 8, 1989

    Open — Nov sent out
  • B

    D26-10.01, 10.05 adm code arrange and make self-closing the doors pub hall bulkhead to roof.

    May 8, 1989

    Open — Nov sent out
  • B

    D26-19.05 adm code provide adequate light of not less than 60 watts incandescent or equivalent illumination vestibule & all stys pub hall r99.

    May 8, 1989

    Open — Nov sent out
  • A

    D26-11.01, 11.03, 11.05 adm code remove the accumulation of refuse and/or rubbish and maintain in a clean condition the stairs 1 sty public hall to cellar & cellar throughout.

    May 8, 1989

    Open — Nov sent out
  • A

    D26-11.01, 11.03, 11.05 adm code remove the accumulation of refuse and/or rubbish and maintain in a clean condition the cellar broken furniture.

    May 8, 1989

    Open — Nov sent out
  • B

    M/d law abate the nuisance consisting of no outside bells front entrance to bldg.

    Apr 25, 1989

    Open — Nov sent out
  • B

    D26-10.01 adm code & 309 m/d law abate the nuisance consisting of front entrance door to bldg locked preventing access to bells for apt.

    Apr 25, 1989

    Open — Nov sent out
  • C

    D26-11.01, 11.03, 11.05 adm code remove the accumulation of refuse and/or rubbish and maintain in a clean condition the 1 sty public hall and public hall 1 sty to cellar aprox 5 sq yds clothes glass bags boxes etc.

    Aug 25, 1987

    Open — Nov sent out
  • B

    D26-10.01, 10.05 adm code arrange and make self-closing the doors entrance to 2 sty north apt r101. , section '' ''

    Oct 31, 1978 · Apt R101

    Open — Nov sent out

DOB building violations · 6

  • Construction other optional

    Noted at time of inspection observed at exp 1 of building top floors (left side of building above deli) repairs that have been done to the fa ade have failed, cracks above window and on parapet wall have started to reopen.

    Apr 8, 2026

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2018 external low pressure inspection

    Jun 20, 2023

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 3, 2008

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 13, 2004

    Dob violation - dismissed
  • Electric signs none

    Es-electric signs none

    Jan 30, 1996

    Dob violation - active
  • Boiler boiler optional

    B-boiler boiler optional

    Aug 29, 1995

    Dob violation - dismissed

ECB violations · 2

  • Class - 2

    Failure to comply with the commissioner's order to file a certificate of correction with the department of buildings. no certificate of correction on file for vio#39183850y . as of 10/19/2026., file a certifica

    Oct 19, 2026 · Penalty $1,250

    Active
  • Class - 1

    Noted at exp 1 of building top floors (left side above store going from second floor to parapet)repairs that have been done to the facade have failed, cracks above window and on parapet wall have started to reo

    Apr 8, 2026 · Penalty $2,500

    Active

Complaints

  • Water leak

    Slow leak

    Apr 10, 2026 · Apt 4

    Close
  • Plumbing

    Bathtub/shower

    Apr 10, 2026 · Apt 4

    Close
  • General

    Bell/buzzer/intercom

    Apr 10, 2026 · Apt 4

    Close
  • Flooring/stairs

    Floor

    Apr 10, 2026 · Apt 4

    Close
  • Electric

    Wiring

    Apr 10, 2026 · Apt 4

    Close
  • Paint/plaster

    Ceiling

    Apr 10, 2026 · Apt 4

    Close
  • Water leak

    Slow leak

    Apr 8, 2026 · Apt APT4

    Close
  • Paint/plaster

    Ceiling

    Apr 8, 2026 · Apt APT4

    Close
  • Water leak

    Heavy flow

    Apr 8, 2026 · Apt APT4

    Close
  • Heat/hot water

    Entire building

    Nov 23, 2021 · Apt BLDG

    Close
Show 27 more ↓
  • Heating

    Heat related

    Dec 14, 2011 · Apt 4

    Close
  • Nonconst

    Janitor/super

    Sep 24, 2007 · Apt 2L

    Close
  • General

    Windows

    Sep 24, 2007 · Apt 2L

    Close
  • Appliance

    Electric/gas range

    Sep 24, 2007 · Apt 2L

    Close
  • General

    Windows

    Sep 24, 2007 · Apt 2L

    Close
  • Paint/plaster

    Wall

    Sep 24, 2007 · Apt 2L

    Close
  • Nonconst

    Vermin

    Sep 24, 2007 · Apt 2L

    Close
  • Nonconst

    Vermin

    Sep 24, 2007 · Apt 2L

    Close
  • Plumbing

    Water-leaks

    Jun 14, 2006 · Apt 2L

    Close
  • Nonconst

    Vermin

    Jun 14, 2006 · Apt 2L

    Close
  • Nonconst

    Vermin

    Jun 14, 2006 · Apt 2L

    Close
  • General

    Windows

    Jun 14, 2006 · Apt 2L

    Close
  • Paint/plaster

    Wall

    Jun 14, 2006 · Apt 2L

    Close
  • Paint/plaster

    Ceiling

    Jun 14, 2006 · Apt 2L

    Close
  • Plumbing

    Water-leaks

    Jun 14, 2006 · Apt 2L

    Close
  • General

    Floor

    Jun 14, 2006 · Apt 2L

    Close
  • General

    Stairs

    Jun 14, 2006 · Apt 2L

    Close
  • General

    Stairs

    Jun 14, 2006 · Apt 2L

    Close
  • General

    Floor

    Jun 14, 2006 · Apt 2L

    Close
  • Plumbing

    Water-leaks

    Jun 14, 2006 · Apt 2L

    Close
  • Plumbing

    Water-leaks

    Jun 14, 2006 · Apt 2L

    Close
  • Nonconst

    Vermin

    Jun 14, 2006 · Apt 2L

    Close
  • Nonconst

    Vermin

    Jun 14, 2006 · Apt 2L

    Close
  • Nonconst

    Vermin

    Jun 14, 2006 · Apt 2L

    Close
  • Paint/plaster

    Ceiling

    Jun 14, 2006 · Apt 2L

    Close
  • Nonconst

    Vermin

    Dec 9, 2005 · Apt 2L

    Close
  • Appliance

    Electric/gas range

    Dec 9, 2005 · Apt 2L

    Close

Sales history

No recorded sales in our data

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

Building details

Building type
Mixed residential and retail building (S9)
Year built
1930
Floors
3
Residential units
2
Building area
4,800 ft²
Lot area
2,375 ft²
Zoning
R6
Community board
312
Council district
38
Block / lot
5583 / 1
Assessed value
$353,700
Landmark / historic district
No

HPD registration #325291, last renewed Jun 12, 2026.

Questions about 3921 9 Avenue

Who owns 3921 9 Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 3917 LLC..

Does 3921 9 Avenue have violations?

Yes. NYC HPD has recorded 38 housing violations at this property.

Is 3921 9 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 3921 9 Avenue built?

City records list 1930 as the year it was built.

How many apartments are in 3921 9 Avenue?

It has 2 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.