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
Immediately hazardous issues among recent violations are still open.
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 · 38
- 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 30, 2026
Closed — Violation dismissed - 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
Closed — Violation dismissed - 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 5, 2025
Closed — Violation dismissed - 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 3, 2024
Closed — Violation dismissed - 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 20, 2023
Closed — Violation dismissed - 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 14, 2022
Closed — Violation dismissed - 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 18, 2022
Closed — Violation dismissed - 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 18, 2022
Closed — Violation dismissed - 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 5, 2021
Closed — Violation dismissed - 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 5, 2021
Closed — Violation dismissed
Show 28 more ↓
- 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 28, 2019
Closed — Violation dismissed - 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 12, 2018
Closed — Violation dismissed - 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 6, 2015
Closed — Violation dismissed - BHazardous
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 - ANon-hazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - ANon-hazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - ANon-hazardous
D26-10.01 adm code replace with new the broken or defective plaster boards cellar ceiling center.
May 8, 1989
Open — Nov sent out - ANon-hazardous
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 - BHazardous
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 - BHazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - BHazardous
M/d law abate the nuisance consisting of no outside bells front entrance to bldg.
Apr 25, 1989
Open — Nov sent out - BHazardous
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 - CImmediately hazardous
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 - BHazardous
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
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.