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3924 9 Avenue

Brooklyn, NY 11232BBL 3-00916-0043Map

Owner of record: 3924 9th Ave LLC

3924 9 Avenue is a mixed residential and retail building built in 1931 in Brooklyn, 11232. It has 3 residential units across 2 floors. The owner of record is 3924 9th Ave LLC. HPD has recorded 16 housing violations here, most recently on April 30, 2026. 3 of the 16 most recent violations are still open.

HPD violations
16
DOB violations
0
ECB violations
3
HPD complaints
1

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

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 · 16

  • 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

    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 20, 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 5, 2025

    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 3, 2024

    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 22, 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.

    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
  • 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.

    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.

    Apr 5, 2021

    Closed — Violation dismissed
Show 6 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.

    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.

    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.

    Nov 15, 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 1, 2016

    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
  • 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 5, 2015

    Closed — Violation dismissed

DOB building violations · 0

No DOB violations on record

ECB violations · 3

  • Class - 1

    28-301.1, ftmb in code-compliant manner: atoi on a 2-story, store & 3-family, nfp buildings, in r6 district, observed at the rear yard an illegal horizontal enlargement at the first-floor level, approx. 12x12 f

    Aug 3, 2023 · Penalty $1,250

    Resolve
  • Class - 1

    28-105.1, work without a permit: atoi on a 2-story, store & 3-family, nfp buildings, in r6 district, observed at the rear yard an illegal horizontal enlargement at the first-floor level, approx. 12x12 ft, fitte

    Aug 3, 2023 · Penalty $2,500

    Resolve
  • Class - 1

    28-118.3.2, occupancy contrary to that allowed by the c of o: atoi on a 2-story, store & 3-family, nfp buildings, in r6 district, observed at the rear yard an illegal horizontal enlargement at the first-floor l

    Aug 3, 2023 · Penalty $2,500

    Resolve

Complaints

  • Heat/hot water

    Entire building

    Jan 17, 2024 · 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
Mixed residential and retail building (S3)
Year built
1931
Floors
2
Residential units
3
Building area
2,400 ft²
Lot area
1,600 ft²
Zoning
R6
Community board
312
Council district
38
Block / lot
916 / 43
Assessed value
$322,650
Landmark / historic district
No

HPD registration #324639, last renewed Oct 24, 2024.

Questions about 3924 9 Avenue

Who owns 3924 9 Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 3924 9th Ave LLC.

Does 3924 9 Avenue have violations?

Yes. NYC HPD has recorded 16 housing violations at this property.

Is 3924 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 3924 9 Avenue built?

City records list 1931 as the year it was built.

How many apartments are in 3924 9 Avenue?

It has 3 residential units and 4 units in total.

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