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437 Throop Avenue

Brooklyn, NY 11221BBL 3-01811-0001Map

Owner of record: 437 Throop LLC

437 Throop Avenue is a walk-up apartment building built in 1910 in Brooklyn, 11221. It has 8 residential units across 4 floors. The owner of record is 437 Throop LLC. HPD has recorded 73 housing violations here, most recently on June 17, 2026. 30 of the 50 most recent violations are still open. City tax records listed 9 rent-stabilized apartments here in 2024.

HPD violations
73
DOB violations
8
ECB violations
6
HPD complaints
174

What to know

Concern
12 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation Jun 17, 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
9
About 100% of the building's 8 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 · 73

  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes tree branches at south building rear at fire escape, 3rd story

    Jun 17, 2026

    Open — Invalid certification
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes tree branches at south at building rear at fire escape, 2nd story

    Jun 17, 2026

    Open — Invalid certification
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes household items at west at fire escape, 4th story

    Jun 17, 2026

    Open — Invalid certification
  • C

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

    Jun 17, 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.

    May 5, 2026

    Open — Nov sent out
  • A

    Properly repair and abate unsafe electric wiring condition consisting of exposed electrical wires at the wall in the 1st closet from west at north in the 2nd room from north at west located at bsmt-apt baseme, 1st bsmt-apt from west at north

    Mar 27, 2024 · Apt BASEME

    Open — Nov sent out
  • C

    Replace or repair the self-closing doors that is missing or defective door at the entrance located at bsmt-apt baseme, 1st bsmt-apt from west at north

    Mar 27, 2024 · Apt BASEME

    Open — Nov sent out
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color the west wall in the 4th room from north located at bsmt-apt baseme, 1st bsmt-apt from west at north

    Mar 27, 2024 · Apt BASEME

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective ceramic floor tiles in the 4th room from north located at bsmt-apt baseme, 1st bsmt-apt from west at north

    Mar 27, 2024 · Apt BASEME

    Open — Nov sent out
  • C

    Abate the infestation consisting of roaches in the entire apartment located at bsmt-apt baseme, 1st bsmt-apt from west at north

    Mar 27, 2024 · Apt BASEME

    Open — Notice of issuance sent to tenant
Show 40 more ↓
  • A

    Properly repair or replace the broken or defective electrical outlet at the north wall in the 1st room from north located at bsmt-apt baseme, 1st bsmt-apt from west at north

    Mar 27, 2024 · Apt BASEME

    Open — Nov sent out
  • C

    Abate the infestation consisting of rodents evidence of rat in the entire apartment located at bsmt-apt baseme, 1st bsmt-apt from west at north

    Mar 27, 2024 · Apt BASEME

    Open — Notice of issuance sent to tenant
  • C

    Remove the illegal double cylinder key operated locking device at door at the entrance located at bsmt-apt baseme, 1st bsmt-apt from west at north

    Mar 27, 2024 · Apt BASEME

    Open — Nov sent out
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 2l, 2nd story, 1st apartment from east at south

    Nov 2, 2023 · Apt 2L

    Open — Nov certified late
  • B

    Provide adequate supply of hot water for the fixtures at wash baskin in the bathroom located at apt 2l, 2nd story, 1st apartment from east at south

    Nov 2, 2023 · Apt 2L

    Open — Nov sent out
  • C

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

    Nov 2, 2023 · Apt 2L

    Open — Nov certified late
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color at all walls and ceiling in the 4th room from north at west located at apt 2l, 2nd story, 1st apartment from east at south

    Nov 2, 2023 · Apt 2L

    Open — Invalid certification
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color at all walls and ceiling in the 3rd room from north at west located at apt 2l, 2nd story, 1st apartment from east at south

    Nov 2, 2023 · Apt 2L

    Open — Invalid certification
  • B

    Provide an adequate supply of gas to the fixtures at gas stove in the entire apartment located at apt 2l, 2nd story, 1st apartment from west at north

    Oct 7, 2023 · Apt 2L

    Open — Nov sent out
  • C

    Properly repair with similar material the broken or defective ceramic floor tiles in the 4th room from north located at apt bsmt, 1st apartment from west at north

    Aug 22, 2023 · Apt BSMT

    Open — Nov certified late
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt bsmt, 1st apartment from west at north

    Aug 22, 2023 · Apt BSMT

    Open — Nov certified late
  • B

    Provide adequate supply of hot water for the fixtures at wash basin in the bathroom located at apt bsmt, 1st apartment from west at north

    Aug 22, 2023 · Apt BSMT

    Closed — Violation dismissed
  • C

    Properly repair the source and abate the evidence of a water leak at ceiling in the bathroom located at apt bsmt, 1st apartment from west at north

    Aug 22, 2023 · Apt BSMT

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at 1st closet from west at north wall wall in the 1st room from north located at apt bsmt, 1st apartment from west at north

    Aug 22, 2023 · Apt BSMT

    Closed — Violation dismissed
  • B

    Properly repair and abate unsafe electric wiring condition consisting of electrical extension cord throughout in the private hallway located at bsmt-apt bsmt

    Dec 3, 2022 · Apt BSMT

    Closed — Violation dismissed
  • B

    Properly repair the broken or defective bell buzzer at door in the entire apartment located at bsmt-apt bsmt

    Dec 3, 2022 · Apt BSMT

    Closed — Violation dismissed
  • B

    Properly repair the source and abate the evidence of a water leak at ceiling in the bathroom located at apt bsmt, 1st apartment from west at north

    Apr 15, 2022 · Apt BSMT

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the 1st room from north, the bathroom located at apt bsmt, 1st apartment from west at north

    Apr 15, 2022 · Apt BSMT

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department at east wall in the 3rd room from north at west located at apt bsmt, 1st apartment from west at north

    Apr 15, 2022 · Apt BSMT

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department at east wall in the 1st room from north located at apt bsmt, 1st apartment from west at north

    Apr 15, 2022 · Apt BSMT

    Closed — Violation dismissed
  • A

    Cleanse to the satisfaction of this department the ceramic tiles surface with grouted joints of visible mold at north and east walls around bathtub in the bathroom located at cellar apt baseme, 1st cellar apt from west at north , section ''south''

    Apr 6, 2022 · Apt BASEME

    Open — Invalid certification
  • B

    M/d law abate the nuisance consisting of key operated lock installed on entrance door at room with fire egress window in the 2nd room from north at west located at cellar apt baseme, 1st cellar apt from west at north , section ''south''

    Apr 6, 2022 · Apt BASEME

    Closed — Violation dismissed
  • C

    Provide ready access to buildings heating system door locked to boiler room at cellar

    Apr 6, 2022

    Open — Nov sent out
  • C

    Abate the infestation consisting of mice in the entire apartment located at cellar apt baseme, 1st cellar apt from west at north , section ''south''

    Apr 6, 2022 · Apt BASEME

    Open — Nov certified late
  • 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

    Apr 6, 2022

    Closed — Violation dismissed
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at cellar apt baseme, 1st cellar apt from west at north , section ''south''

    Apr 6, 2022 · Apt BASEME

    Open — Nov sent out
  • 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

    Mar 31, 2022

    Open — Nov sent out
  • C

    M/d law abate the nuisance consisting of drop ladder is in down position at south fire escape at south exterior wall

    Mar 29, 2022

    Closed — Violation closed
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes conconsisting of house hold items at 2nd story balconey, west stack at building front

    Mar 29, 2022

    Open — Nov sent out
  • A

    Paint with light colored paint to the satisfaction of this department the east and south walls in the 1st room from north located at bsmt-apt bsmt, 1st bsmt-apt from west at north

    Mar 2, 2022 · Apt BSMT

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department the east wall in the 3rd room from north located at apt bsmt, 1st apartment from west at north

    Mar 2, 2022 · Apt BSMT

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the 5th room from north at east located at apt 1r, 1st story, 1st apartment from east at south

    Dec 29, 2021 · Apt 1R

    Open — Nov sent out
  • C

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

    Dec 29, 2021 · Apt 1R

    Open — Nov sent out
  • B

    Repair or replace the carbon monoxide detecting device(s). defective in the entire apartment located at apt 1r, 1st story, 1st apartment from east at south

    Dec 29, 2021 · Apt 1R

    Open — Nov sent out
  • B

    Repair or replace the smoke detector defective in the entire apartment located at apt 1r, 1st story, 1st apartment from east at south

    Dec 29, 2021 · Apt 1R

    Open — Nov sent out
  • A

    Properly repair and abate unsafe electric wiring condition consisting of esposed electric wires at building exterior wall above entrance door

    Nov 9, 2016 · Apt BASE

    Closed — Violation closed
  • C

    Properly repair with similar material the broken or defective metal roof cornice at front of the building south.

    Jan 15, 2015

    Closed — Violation closed
  • C

    Provide adequate supply of hot water for the fixtures ... in the entire apartment located at apt 3l, 3rd story, 1st apartment from west at north

    Jan 15, 2015 · Apt 3L

    Closed — Violation closed
  • B

    Properly repair the broken or defective light fixture at ceiling in the foyer located at apt 4r, 4th story, 1st apartment from east at south

    Jul 7, 2014 · Apt 4R

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective concrete tread, 2nd up from bottom, public stairs at building front

    Jul 7, 2014

    Closed — Violation closed

DOB building violations · 8

  • Low pressure boiler boiler required

    Violation issued-failure to file 2018 external low pressure inspection

    Jun 20, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2016 inspection report

    Apr 6, 2018

    Dob violation - dismissed
  • Plumbing none

    The department of building intends to revoke all plumbing approvals & permits under laa application #320633203 due to suspension of license stop all plumbing work immediately except to make site safe

    Jul 29, 2017

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2015 inspection report

    Feb 24, 2017

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2014 inspection report

    Oct 1, 2015

    Dob violation - dismissed
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Sep 9, 2015

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2013 inspection report

    Mar 3, 2015

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 29, 1995

    Dob violation - active

ECB violations · 6

  • Class - 2

    Failure to comply w/ the commissioner's order contained in summons/violation#35346613z issued on 9/19/18 and to file a certificate of correction pursuant to 28-201.1 and 1rcny 102-01. for:use of prohibit hardwa

    Nov 8, 2018 · Penalty $625

    Resolve
  • Class - 2

    Failure to maintain bldg in a code compliance manner. noted: stairs landing at ground level leading to cellar level is missing railing on one side which could cause a fall hazard,also fence on right side of bld

    Sep 19, 2018

    Resolve
  • Class - 1

    Failure to maintain bldg in a code compliant manner. use of prohibitedhardware per bc 1008.1.8;27-371(j). noted: cellar level window is emergency exit on right side of the bldg has a latch w/padlock on it obstr

    Sep 19, 2018 · Penalty $312

    Resolve
  • Class - 1

    Sec. 3301.2;27-1009(9) failure to safeguard persons & property affected by construction operation: work in progress under appl/permit #340257126 full blown demolition & erection of full height partitions & inst

    Jun 23, 2015 · Penalty $1,200

    Resolve
  • Class - 1

    Work after hours w/o a variance permit contrary to 28.105.1.12.5 multiple trades plumbing,concrete working on sun,6/21/15.no variance permitacquired. rmdy: obtain variance permit.

    Jun 21, 2015 · Penalty $1,600

    Resolve
  • Class - 1

    Failure to safeguard all persons and property affected by constructionoperations. at roof level masonry structure (bulkhead) partially collapsed and fell to street.no protection provided.rmdy:safeguard public &

    Jun 21, 2015 · Penalty $1,000

    Resolve

Complaints

  • Plumbing

    Water supply

    Sep 8, 2026 · Apt 4R

    Close
  • Unsanitary condition

    Garbage/recycling storage

    May 27, 2026 · Apt BLDG

    Close
  • Door/window

    Door

    Dec 6, 2024 · Apt 2L

    Close
  • Unsanitary condition

    Mold

    Dec 6, 2024 · Apt 2L

    Close
  • Door/window

    Window frame

    Dec 6, 2024 · Apt 2L

    Close
  • Door/window

    Door frame

    Mar 20, 2024 · Apt BASEME

    Close
  • Water leak

    Heavy flow

    Mar 20, 2024 · Apt BASEME

    Close
  • Flooring/stairs

    Floor

    Mar 20, 2024 · Apt BASEME

    Close
  • Plumbing

    Water supply

    Mar 20, 2024 · Apt BASEME

    Close
  • Heat/hot water

    Apartment only

    Mar 20, 2024 · Apt BASEME

    Close
Show 40 more ↓
  • Paint/plaster

    Wall

    Mar 20, 2024 · Apt BASEME

    Close
  • Unsanitary condition

    Mold

    Mar 20, 2024 · Apt BASEME

    Close
  • Safety

    Smoke detector

    Mar 20, 2024 · Apt BASEME

    Close
  • Electric

    Wiring

    Mar 20, 2024 · Apt BASEME

    Close
  • Unsanitary condition

    Pests

    Mar 20, 2024 · Apt BASEME

    Close
  • Appliance

    Electric/gas range

    Feb 17, 2024 · Apt 2L

    Close
  • Appliance

    Refrigerator

    Dec 8, 2023 · Apt 2L

    Close
  • Water leak

    Slow leak

    Dec 8, 2023 · Apt 2L

    Close
  • Appliance

    Electric/gas range

    Dec 8, 2023 · Apt 2L

    Close
  • Plumbing

    Radiator

    Dec 8, 2023 · Apt 2L

    Close
  • Appliance

    Refrigerator

    Nov 1, 2023 · Apt 2L

    Close
  • Unsanitary condition

    Pests

    Oct 31, 2023 · Apt 2L

    Close
  • Heat/hot water

    Apartment only

    Oct 31, 2023 · Apt 2L

    Close
  • Plumbing

    Water supply

    Oct 31, 2023 · Apt 2L

    Close
  • Unsanitary condition

    Pests

    Oct 31, 2023 · Apt 2L

    Close
  • Paint/plaster

    Wall

    Oct 31, 2023 · Apt 2L

    Close
  • Unsanitary condition

    Pests

    Oct 31, 2023 · Apt 2L

    Close
  • Paint/plaster

    Wall

    Oct 6, 2023 · Apt 2L

    Close
  • General

    Cooking gas

    Oct 6, 2023 · Apt 2L

    Close
  • Flooring/stairs

    Floor

    Oct 6, 2023 · Apt 2L

    Close
  • Appliance

    Refrigerator

    Oct 6, 2023 · Apt 2L

    Close
  • Heat/hot water

    Apartment only

    Oct 6, 2023 · Apt 2L

    Close
  • Plumbing

    Water supply

    Oct 5, 2023 · Apt 2L

    Close
  • Heat/hot water

    Apartment only

    Oct 3, 2023 · Apt 2L

    Close
  • Appliance

    Electric/gas range

    Oct 2, 2023 · Apt 2L

    Close
  • Unsanitary condition

    Pests

    Aug 16, 2023 · Apt BSMT

    Close
  • General

    Cabinet

    Aug 16, 2023 · Apt BSMT

    Close
  • Plumbing

    Water supply

    Aug 16, 2023 · Apt BSMT

    Close
  • Plumbing

    Water supply

    Aug 16, 2023 · Apt BSMT

    Close
  • Paint/plaster

    Wall

    Aug 16, 2023 · Apt BSMT

    Close
  • Unsanitary condition

    Mold

    Aug 16, 2023 · Apt BSMT

    Close
  • General

    Cooking gas

    Jan 31, 2023 · Apt 3L

    Close
  • Heat/hot water

    Apartment only

    Jan 31, 2023 · Apt 3L

    Close
  • Heat/hot water

    Apartment only

    Dec 25, 2022 · Apt 1R

    Close
  • Unsanitary condition

    Pests

    Nov 30, 2022 · Apt BSMT

    Close
  • Electric

    Outlet/switch

    Nov 30, 2022 · Apt BSMT

    Close
  • Water leak

    Slow leak

    Nov 30, 2022 · Apt BSMT

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Nov 30, 2022 · Apt BSMT

    Close
  • General

    Bell/buzzer/intercom

    Nov 30, 2022 · Apt BSMT

    Close
  • Water leak

    Slow leak

    Apr 11, 2022 · Apt BSMT

    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
1910
Floors
4
Residential units
8
Building area
7,200 ft²
Lot area
2,000 ft²
Zoning
R6B
Community board
303
Council district
36
Block / lot
1811 / 1
Assessed value
$864,450
Landmark / historic district
No

HPD registration #349821, last renewed Feb 23, 2024.

Questions about 437 Throop Avenue

Who owns 437 Throop Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 437 Throop LLC.

Does 437 Throop Avenue have violations?

Yes. NYC HPD has recorded 73 housing violations at this property.

Is 437 Throop Avenue rent stabilized?

NYC Department of Finance tax bills listed 9 rent-stabilized units here in 2024 (about 100% of its 8 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 437 Throop Avenue built?

City records list 1910 as the year it was built.

How many apartments are in 437 Throop Avenue?

It has 8 residential units.

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