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645 Willoughby Avenue

Brooklyn, NY 11206BBL 3-01760-0050Map

Owner of record: Throop Corners LLC

645 Willoughby Avenue is a walk-up apartment building built in 1931 in Brooklyn, 11206. It has 8 residential units across 4 floors. The owner of record is Throop Corners LLC. HPD has recorded 54 housing violations here, most recently on July 3, 2026. 4 of the 50 most recent violations are still open.

HPD violations
54
DOB violations
18
ECB violations
10
HPD complaints
267

What to know

Concern
1 open Class C

Immediately hazardous issues among recent violations are still open.

Watch
Last violation Jul 3, 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 · 54

  • C

    Replace or repair the self-closing doors that is missing or defective hinges at door in the entrance located at apt 3, 2nd story, 1st apartment from west at north

    Jul 3, 2026 · Apt 3

    Closed — Violation closed
  • B

    Trace and repair the source and abate the visible mold condition... greater than 10 square ft at ceiling in the bathroom located at apt 3, 2nd story, 1st apartment from west at north

    Jul 3, 2026 · Apt 3

    Open — Civ14 mailed
  • B

    Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations missing in the entire apartment located at apt 3, 2nd story, 1st apartment from west at north

    Jul 3, 2026 · Apt 3

    Closed — Violation dismissed
  • 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 3, 2nd story, 1st apartment from west at north

    Jul 3, 2026 · Apt 3

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 6, 3rd story, 2nd apartment from west at north

    May 9, 2026 · Apt 6

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 6, 3rd story, 2nd apartment from west at north

    May 9, 2026 · Apt 6

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 6, 3rd story, 2nd apartment from west at north

    May 5, 2026 · Apt 6

    Closed — Violation dismissed
  • A

    Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mailbox missing at public hall, 1st story

    May 5, 2026

    Closed — Violation closed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 5, 3rd story, 1st apartment from west at north

    Nov 23, 2024 · Apt 5

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 5, 3rd story, 1st apartment from west at north

    Nov 23, 2024 · Apt 5

    Closed — Violation dismissed
Show 40 more ↓
  • 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 2, 2022

    Closed — Violation dismissed
  • C

    Provide an adequate supply of heat from an approved central heating system, or an approved system of gas or electrical heating in good operating condition for the dwelling unit in the 1st room from north located at apt 8, 4th story, 1st apartment from north at east

    Jan 12, 2022 · Apt 8

    Closed — Violation dismissed
  • B

    M/d law abate the nuisance consisting of key operated lock installed on entrance door at room with fire escape window in the 1st room from north located at apt 8, 4th story, 1st apartment from north at east

    Jan 12, 2022 · Apt 8

    Closed — Violation dismissed
  • B

    Trace and repair the source and abate the visible mold condition... approximately 1 squar foot at plywood base inside cabinet under sink in the kitchenette located at apt 6, 3rd story, 1st apartment from north at east original violation 14765508 issued 12-jan-22 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).

    Jan 12, 2022 · Apt 6

    Open — First no access to re- inspect violation
  • C

    Replace or repair the self-closing doors that is missing or defective at apartment in the entrance located at apt 6, 3rd story, 1st apartment from north at east

    Jan 12, 2022 · Apt 6

    Closed — Violation dismissed
  • A

    Trace and repair the source and abate the visible mold condition... approximately 1 squar foot at plywood base inside cabinet under sink in the kitchenette located at apt 6, 3rd story, 1st apartment from north at east

    Jan 12, 2022 · Apt 6

    Closed — Violation closed
  • A

    Cleanse to the satisfaction of this department the ceramic tiles surface with grouted joints of visible [ mold ] at south wall around bathtub in the 1st bathroom from east located at apt 6, 3rd story, 1st apartment from north at east

    Jan 12, 2022 · Apt 6

    Closed — Violation dismissed
  • B

    Repair or replace the smoke detector missing in the entire apartment located at apt 6, 3rd story, 1st apartment from north at east

    Jan 12, 2022 · Apt 6

    Closed — Violation dismissed
  • B

    Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 6, 3rd story, 1st apartment from north at east

    Jan 12, 2022 · Apt 6

    Closed — Violation dismissed
  • A

    Cleanse to the satisfaction of this department the ceramic tiles surface with grouted joints of visible [ mold ] at south and east walls around bathtub in the bathroom located at apt 8, 4th story, 1st apartment from north at east

    Jan 12, 2022 · Apt 8

    Closed — Violation dismissed
  • C

    Replace or repair the self-closing doors that is missing or defective at apartment in the entrance located at apt 8, 4th story, 1st apartment from north at east

    Jan 12, 2022 · Apt 8

    Closed — Violation dismissed
  • B

    Repair or replace the smoke detector missing in the entire apartment located at apt 8, 4th story, 1st apartment from north at east

    Jan 12, 2022 · Apt 8

    Closed — Violation dismissed
  • B

    Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 8, 4th story, 1st apartment from north at east

    Jan 12, 2022 · Apt 8

    Closed — Violation dismissed
  • B

    M/d law abate the nuisance consisting of key operated lock installed on entrance door at room with fire escape window in the 1st room from east located at apt 6, 3rd story, 1st apartment from north at east

    Jan 12, 2022 · Apt 6

    Closed — Violation dismissed
  • A

    Trace and repair the source and abate the visible mold condition... approximately 1 square foot at plywood base inside cabinet under sink in the kitchenette located at apt 8, 4th story, 1st apartment from north at east

    Jan 12, 2022 · Apt 8

    Closed — Violation closed
  • B

    Trace and repair the source and abate the visible mold condition... approximately 1 square foot at plywood base inside cabinet under sink in the kitchenette located at apt 8, 4th story, 1st apartment from north at east original violation 14765503 issued 12-jan-22 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).

    Jan 12, 2022 · Apt 8

    Open — First no access to re- inspect violation
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 7, 4th story, 1st apartment from west at north

    Oct 8, 2021 · Apt 7

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 7, 4th story, 1st apartment from west at north

    Oct 8, 2021 · Apt 7

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective fire retardant material at ceiling at bulkhead at public hall, 4th story

    May 24, 2021

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department at ceiling at bulkhead at public hall, 4th story

    May 24, 2021

    Closed — Violation dismissed
  • B

    Repair the roof so that it will not leak over ceiling at bulkhead

    Apr 28, 2021

    Closed — Violation dismissed
  • C

    Properly repair with similar material the broken or defective fire retardant plaster at ceiling at bulkhead

    Apr 28, 2021

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department ceiling at bulkhead

    Apr 28, 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 13, 2021

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department the ceiling at public hall, 4th story

    Mar 22, 2021

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 7, 4th story, 1st apartment from west at north

    Mar 22, 2021 · Apt 7

    Closed — Violation closed
  • B

    Properly repair the broken or defective lower cabinet door under the sink in the kitchen located at apt 7, 4th story, 1st apartment from west at north

    Mar 22, 2021 · Apt 7

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective porcelain enamel glaze at bath tub in the bathroom located at apt 7, 4th story, 1st apartment from west at north

    Mar 22, 2021 · Apt 7

    Closed — Violation dismissed
  • B

    Remove all encumbrances consisting of household items at public hall, 1st story

    Mar 22, 2021

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective fire retardent material at ceiling at public hall, 4th story

    Mar 22, 2021

    Closed — Violation dismissed
  • C

    Properly repair the broken or defective mortise lock at aprtment entrance door located at apt 4, 2nd story, 2nd apartment from west at north

    Dec 12, 2020 · Apt 4

    Closed — Violation closed
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 4, 2nd story, 2nd apartment from west at north

    Dec 8, 2020 · Apt 4

    Open — Violation will be reinspected
  • C

    Provide ready access to buildings heating system door locked at cellar

    Dec 8, 2020

    Closed — Violation closed
  • B

    Repair or replace the carbon monoxide detecting device(s). defective in the entire apartment located at apt 4, 2nd story, 2nd apartment from west at north

    Dec 8, 2020 · Apt 4

    Closed — Violation dismissed
  • C

    Provide an adequate supply of heat for the apartment in the entire apartment located at apt 4, 2nd story, 2nd apartment from west at north

    Dec 8, 2020 · Apt 4

    Closed — Violation dismissed
  • B

    Repair or replace the smoke detector defective in the entire apartment located at apt 4, 2nd story, 2nd apartment from west at north

    Dec 8, 2020 · Apt 4

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective fire retardant material at ceiling in electric meter room at cellar

    Nov 10, 2020

    Closed — Violation dismissed
  • B

    Replace with new the missing metal cover for circuit breaker panel in meter room at cellar

    Nov 10, 2020

    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. at front areaway

    Jun 24, 2018

    Closed — Violation closed
  • A

    Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mail box ''missing'' at public hall, 1st story

    Nov 20, 2017

    Closed — Violation closed

DOB building violations · 18

  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2013 inspection report

    Mar 3, 2015

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2012 inspection report

    May 15, 2014

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2011 inspection report

    Mar 1, 2013

    Dob violation - active
  • Low pressure boiler boiler required

    Lblvio-low pressure boiler boiler required

    Dec 31, 2009

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 3, 2008

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 6, 2006

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 31, 2005

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 13, 2004

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 19, 2003

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 26, 2002

    Dob violation - active
Show 8 more ↓
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 27, 2001

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 7, 2000

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 16, 1999

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    May 4, 1998

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Sep 16, 1997

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 29, 1995

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 16, 1993

    Dob violation - active
  • Construction other optional

    C-construction other optional

    Dec 20, 1989

    Dob violation - active

ECB violations · 10

  • Class - 1

    Failure to maintain building in code complaint manner,use of prohibited door hardware observed at inspection: roof top door at top of stairwell was slide bolted shut & padlocked,eliminating this door as a means

    Apr 17, 2009 · Penalty $1,000

    Resolve
  • Class - 1

    Sec. bc1001.3 27-361 failure to maintain egress clear & unobstructed observed at time of inspection: 4th flr landing of premises contained large television,trash & trash pails,kitchen cabinet & app 3'base vanit

    Apr 17, 2009 · Penalty $1,600

    Resolve
  • Class - 1

    Residence altered for occupancy as a dwelling for 1 or 2 families to 4 or more families bldg dept records indicates apt 8 (right apt on 4th fl) is legally approved for 1 class a apt resience now altered for

    Sep 19, 2008 · Penalty $1,450

    Active
  • Class - 1

    Failure to provide unobstructed exit passageway at apt 8 (at 4th fl right apt) rear bedroom door has a key lock obstructing from reach fire escape at rear also a/c units hanging in window obstructing the

    Sep 19, 2008 · Penalty $1,200

    Resolve
  • Non-hazardous

    Work without a permit: hazardous work noted: having removed full partition walls and erected new, walls. 2) new plumbing installed includinggas lines, new electrical wiring observed throughout the building.

    Jun 2, 2004

    Resolve
  • Non-hazardous

    Failure to maintain exterior 1 building wall. defect is: broken and missing cornice in front of building. rmedy: repair defect.

    May 1, 1995 · Penalty $435

    Active
  • Hazardous

    Failure to maintain the parapet wall front: in that approx: 75% of the parapet walls face bricks have been dislodged; but to date not replaced--is potentially a dangerous condition as remaining onto the--

    Apr 28, 1995 · Penalty $5,000

    Active
  • Non-hazardous

    Failure to maintain the front parapet wall as follows: cornice previously collabsed. the loose brick behind the cornice temporary protected from falling by tying back plywood, in front of the brick. t

    Oct 28, 1994

    Resolve
  • Hazardous

    Failure to maintain the front parapet wall as follows loose and defective brick in danger of falling onto the front sidewalk remedy provide protection for the public remove all loose brick and rebuild parapet

    Mar 8, 1994 · Penalty $800

    Active
  • Hazardous

    Failure to maintain exterior building wall defect is broken and missing cornice leaving exposed bricks along entire length of parapet. remedy: provide immediate maintenance of cornice

    Apr 28, 1993 · Penalty $5,000

    Active

Complaints

  • Unsanitary condition

    Mold

    Sep 22, 2026 · Apt 2

    Close
  • Unsanitary condition

    Pests

    Sep 22, 2026 · Apt 2

    Close
  • Unsanitary condition

    Mold

    Sep 18, 2026 · Apt 2INTHE

    Close
  • Unsanitary condition

    Mold

    Jun 30, 2026 · Apt 3

    Close
  • Unsanitary condition

    Mold

    May 6, 2026 · Apt 6

    Close
  • Flooring/stairs

    Floor

    May 6, 2026 · Apt 6

    Close
  • Paint/plaster

    Wall

    May 6, 2026 · Apt 6

    Close
  • Flooring/stairs

    Floor

    May 6, 2026 · Apt 6

    Close
  • Unsanitary condition

    Pests

    May 6, 2026 · Apt 6

    Close
  • Flooring/stairs

    Stairs

    May 6, 2026 · Apt 6

    Close
Show 40 more ↓
  • Electric

    Lighting

    May 6, 2026 · Apt 6

    Close
  • Flooring/stairs

    Stairs

    May 6, 2026 · Apt 6

    Close
  • Door/window

    Door

    May 6, 2026 · Apt 6

    Close
  • Paint/plaster

    Wall

    May 6, 2026 · Apt 6

    Close
  • Flooring/stairs

    Floor

    Apr 26, 2026 · Apt 6

    Close
  • Flooring/stairs

    Stairs

    Apr 7, 2026 · Apt 6

    Close
  • Unsanitary condition

    Mold

    Apr 7, 2026 · Apt 6

    Close
  • General

    Ventilation system

    Apr 7, 2026 · Apt 6

    Close
  • Plumbing

    Basin/sink

    Apr 7, 2026 · Apt 6

    Close
  • Unsanitary condition

    Pests

    Apr 7, 2026 · Apt 6

    Close
  • Unsanitary condition

    Pests

    Apr 7, 2026 · Apt 6

    Close
  • Electric

    Lighting

    Apr 7, 2026 · Apt 6

    Close
  • Paint/plaster

    Wall

    Apr 7, 2026 · Apt 6

    Close
  • Plumbing

    Basin/sink

    Apr 7, 2026 · Apt 6

    Close
  • Plumbing

    Toilet

    Apr 7, 2026 · Apt 6

    Close
  • Door/window

    Door

    Apr 7, 2026 · Apt 6

    Close
  • Paint/plaster

    Wall

    Apr 7, 2026 · Apt 6

    Close
  • Paint/plaster

    Wall

    Apr 7, 2026 · Apt 6

    Close
  • Unsanitary condition

    Pests

    Nov 13, 2024 · Apt 5

    Close
  • Unsanitary condition

    Pests

    Nov 13, 2024 · Apt 5

    Close
  • Water leak

    Damp spot

    Oct 13, 2023 · Apt 8

    Close
  • Unsanitary condition

    Mold

    Oct 13, 2023 · Apt 8

    Close
  • Safety

    Fire escape

    Oct 19, 2022 · Apt 7

    Close
  • Door/window

    Door

    Oct 19, 2022 · Apt 7

    Close
  • Plumbing

    Bathtub/shower

    Oct 19, 2022 · Apt 7

    Close
  • Heat/hot water

    Entire building

    Oct 18, 2022 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Jan 10, 2022 · Apt 8

    Close
  • Heat/hot water

    Apartment only

    Jan 8, 2022 · Apt 8

    Close
  • Plumbing

    Bathtub/shower

    Sep 25, 2021 · Apt 7

    Close
  • Unsanitary condition

    Pests

    Sep 25, 2021 · Apt 7

    Close
  • Paint/plaster

    Wall

    Sep 25, 2021 · Apt 7

    Close
  • Unsanitary condition

    Pests

    Sep 25, 2021 · Apt 7

    Close
  • Unsanitary condition

    Pests

    Sep 25, 2021 · Apt 7

    Close
  • Unsanitary condition

    Mold

    Apr 22, 2021 · Apt 7

    Close
  • Safety

    Window guard broken/missing

    Apr 22, 2021 · Apt 7

    Close
  • Paint/plaster

    Wall

    Apr 22, 2021 · Apt 7

    Close
  • Plumbing

    Bathtub/shower

    Mar 17, 2021 · Apt 7

    Close
  • Safety

    Window guard broken/missing

    Mar 17, 2021 · Apt 7

    Close
  • General

    Cabinet

    Mar 17, 2021 · Apt 7

    Close
  • Unsanitary condition

    Pests

    Mar 17, 2021 · Apt 7

    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
1931
Floors
4
Residential units
8
Building area
9,067 ft²
Lot area
2,667 ft²
Zoning
R6A
Community board
303
Council district
36
Block / lot
1760 / 50
Assessed value
$680,850
Landmark / historic district
No

HPD registration #345561, last renewed Aug 24, 2025.

Questions about 645 Willoughby Avenue

Who owns 645 Willoughby Avenue?

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

Does 645 Willoughby Avenue have violations?

Yes. NYC HPD has recorded 54 housing violations at this property.

Is 645 Willoughby 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 645 Willoughby Avenue built?

City records list 1931 as the year it was built.

How many apartments are in 645 Willoughby 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.