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3720 Flatlands Avenue

Brooklyn, NY 11234BBL 3-07699-0045Map

Owner of record: Lemberger Kitty

3720 Flatlands Avenue is a walk-up apartment building built in 1928 in Brooklyn, 11234. It has 6 residential units across 3 floors. The owner of record is Lemberger Kitty. HPD has recorded 23 housing violations here, most recently on August 21, 2026. 14 of the 23 most recent violations are still open. City tax records listed 6 rent-stabilized apartments here in 2024.

HPD violations
23
DOB violations
1
ECB violations
0
HPD complaints
37

What to know

Concern
4 open Class C

Immediately hazardous issues among recent violations are still open.

Watch
Last violation Aug 21, 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
6
About 100% of the building's 6 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 · 23

  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 21rear, 1st story, 1st apartment from east at south

    Aug 21, 2026 · Apt 21REAR

    Open — Notice of issuance sent to tenant
  • B

    Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations that is defective in the entire apartment located at apt 21rear, 1st story, 1st apartment from east at south

    Aug 21, 2026 · Apt 21REAR

    Open — Nov sent out
  • B

    Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules that is defective in the entire apartment located at apt 21rear, 1st story, 1st apartment from east at south

    Aug 21, 2026 · Apt 21REAR

    Open — Nov sent out
  • A

    Trace and repair the source and abate the visible mold condition... fewer than 10 square feet observed at south and west wall in the bathroom located at apt 21rear, 1st story, 1st apartment from east at south

    Aug 21, 2026 · Apt 21REAR

    Open — Notice of issuance sent to tenant
  • C

    Replace or repair the self-closing doors that is missing or defective hinges leading to cellar at public hall, 1st story

    Aug 21, 2026

    Open — Nov sent out
  • B

    Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the at cellar

    Aug 21, 2026

    Open — Nov sent out
  • A

    Thoroughly whitewash or paint with a light color the surfaces at boiler room at cellar

    Aug 21, 2026

    Open — Nov sent out
  • C

    Properly repair or replace the broken or defective breaching leading to flue stack at boiler room at cellar

    Aug 21, 2026

    Open — Nov sent out
  • A

    Trace and repair the source and abate the visible mold condition... less the 10 sq feet at north south and west in the bathroom located at apt 21rear, 1st story, 1st apartment from east at south

    Jul 25, 2026 · Apt 21REAR

    Open — Notice of issuance sent to tenant
  • B

    Properly repair with similar material the broken or defective caulking around bathtub in the bathroom located at apt 21rear, 1st story, 1st apartment from east at south

    Jul 25, 2026 · Apt 21REAR

    Open — Nov sent out
Show 13 more ↓
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 21rear, 1st story, 1st apartment from east at south

    Jul 25, 2026 · Apt 21REAR

    Open — Notice of issuance sent to tenant
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 21rear, 1st story, 1st apartment from east at south

    Jul 25, 2026 · Apt 21REAR

    Closed — Violation dismissed
  • B

    Remove all encumbrances consisting of house hold items at public hall, 2nd story

    Jul 25, 2026

    Open — Nov sent out
  • A

    Trace and repair the source and abate the visible mold condition... less than 10 square feet at north, west and south walls in the bathroom located at apt 2, 1st story, 1st apartment from east at south

    Jul 22, 2026 · Apt 2

    Open — Notice of issuance sent to tenant
  • B

    Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules missing in the entire apartment located at apt 2, 1st story, 1st apartment from east at south

    Jul 22, 2026 · Apt 2

    Open — Nov sent out
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 2, 1st story, 1st apartment from east at south

    Jul 22, 2026 · Apt 2

    Closed — Violation closed
  • C

    Remove device preventing door from being self-closing consisting of permanently installed hook and eye at building entrance door

    May 15, 2026

    Closed — Violation closed
  • 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 10, 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 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.

    Feb 24, 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 24, 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 8, 2021

    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

    Jun 28, 2015

    Closed — Violation closed

DOB building violations · 1

  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 1, 2009

    Dob violation - active

ECB violations · 0

No ECB violations on record

Complaints

  • Heat/hot water

    Entire building

    Oct 17, 2026 · Apt 2

    Close
  • Heat/hot water

    Apartment only

    Aug 19, 2026 · Apt 21REAR

    Close
  • Heat/hot water

    Apartment only

    Jul 23, 2026 · Apt 21REAR

    Open
  • Unsanitary condition

    Pests

    Jul 23, 2026 · Apt 21REAR

    Open
  • Heat/hot water

    Apartment only

    Jul 23, 2026 · Apt APT2

    Close
  • Heat/hot water

    Entire building

    Jul 22, 2026 · Apt 21REAR

    Close
  • Unsanitary condition

    Mold

    Jul 22, 2026 · Apt 21REAR

    Close
  • Unsanitary condition

    Pests

    Jul 22, 2026 · Apt 21REAR

    Close
  • Heat/hot water

    Entire building

    Jul 20, 2026 · Apt 2ALSOA

    Close
  • General

    Janitor/super

    Jul 20, 2026 · Apt 2ALSOA

    Close
Show 27 more ↓
  • Unsanitary condition

    Garbage/recycling storage

    Jul 20, 2026 · Apt 2ALSOA

    Close
  • Unsanitary condition

    Mold

    Jul 17, 2026 · Apt 2

    Close
  • Unsanitary condition

    Pests

    Jul 17, 2026 · Apt 2

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Apr 16, 2026 · Apt BLDG

    Close
  • Safety

    Fire escape

    Oct 11, 2018 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Oct 11, 2018 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Oct 11, 2018 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Oct 11, 2018 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Oct 11, 2018 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Jun 16, 2016 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Jun 16, 2016 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Jun 16, 2016 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Jun 16, 2016 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Jan 10, 2016 · Apt BLDG

    Close
  • Safety

    Carbon monoxide detector

    Jan 10, 2016 · Apt 3

    Close
  • Flooring/stairs

    Floor

    Jan 10, 2016 · Apt 3

    Close
  • Unsanitary condition

    Pests

    Jan 10, 2016 · Apt 3

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Mar 8, 2015 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Mar 8, 2015 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Mar 8, 2015 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Mar 8, 2015 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Sep 15, 2014 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Sep 15, 2014 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Sep 15, 2014 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Sep 15, 2014 · Apt BLDG

    Close
  • Safety

    Fire escape

    Jul 8, 2014 · Apt 3

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Jul 8, 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 (C2)
Year built
1928
Floors
3
Residential units
6
Building area
4,725 ft²
Lot area
2,340 ft²
Zoning
R3-2
Community board
318
Council district
45
Block / lot
7699 / 45
Assessed value
$355,050
Landmark / historic district
No

HPD registration #331827, last renewed Jul 3, 2025.

Questions about 3720 Flatlands Avenue

Who owns 3720 Flatlands Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Lemberger Kitty.

Does 3720 Flatlands Avenue have violations?

Yes. NYC HPD has recorded 23 housing violations at this property.

Is 3720 Flatlands Avenue rent stabilized?

NYC Department of Finance tax bills listed 6 rent-stabilized units here in 2024 (about 100% of its 6 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 3720 Flatlands Avenue built?

City records list 1928 as the year it was built.

How many apartments are in 3720 Flatlands Avenue?

It has 6 residential units.

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