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523 Throop Avenue

Brooklyn, NY 11221BBL 3-01831-0001Map

Owner of record: 523 Throop Ave., LLC

523 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 523 Throop Ave., LLC. HPD has recorded 14 housing violations here, most recently on April 13, 2021. City tax records listed 8 rent-stabilized apartments here in 2024.

HPD violations
14
DOB violations
4
ECB violations
1
HPD complaints
21

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Good
Last violation Apr 13, 2021

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
8
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 · 14

  • 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

    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. at public hall, 1st story

    Dec 1, 2016

    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 agencys housing information guide. a sample notice can be found at www.nyc.gov/hpd. at public hall, 1st story

    Dec 1, 2016

    Closed — Violation dismissed
  • 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

    Dec 1, 2016

    Closed — Violation dismissed
  • A

    Post a proper notice of carbon monoxide detecting device requirements, in a form approved by the commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in a private dwelling. at public hall, 1st story

    Dec 1, 2016

    Closed — Violation dismissed
  • B

    Remove all encumbrances consisting of flower pots at 2nd story balcony at south

    Dec 1, 2016

    Closed — Violation dismissed
  • B

    Provide a safe and adequate supply of electric service to the fixtures at ceiling in the 4th room from east located at apt 4r, 4th story

    Mar 30, 2014 · Apt 4R

    Closed — Violation closed
  • B

    Provide a safe and adequate supply of electric service to the fixtures at ceiling in the bathroom located at apt 4r, 4th story

    Mar 30, 2014 · Apt 4R

    Closed — Violation closed
  • C

    Provide an adequate supply of gas to the fixtures at range in the kitchen located at apt 4r, 4th story, apartment at east

    Mar 30, 2014 · Apt 4R

    Closed — Violation closed
  • 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 50 watts night inspection.

    Mar 29, 1988

    Closed — Violation closed
Show 4 more ↓
  • A

    D26-20.08,20.09 adm code file certification of satisfactory installation of smoke detecting device in accordance with h.p.d. rules and regulations.

    Jan 20, 1982

    Closed — Violation closed
  • B

    D26-19.05 adm code provide adequate light of not less than 60 watts incandescent or equivalent illumination public halls all stys.

    Jun 4, 1976

    Closed — Violation closed
  • B

    D26-10.01, 10.05 adm code arrange and make self-closing the doors bulkhead door public hall to roof.

    Jun 4, 1976

    Closed — Violation closed
  • A

    Section 329, m/d law and dept. rules and regs. provide a completed certificate of inspection visits in a proper frame at or near mailboxes, bottom edge of frame between 48-62 inches above floor

    Jun 4, 1976

    Closed — Violation closed

DOB building violations · 4

  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2010 inspection report

    Dec 13, 2011

    Dob violation - dismissed
  • Construction other optional

    C-construction other optional

    Dec 3, 2009

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 31, 2005

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jul 25, 1994

    Dob violation - dismissed

ECB violations · 1

  • Class - 2

    Failure to maintain building in a code-compliant manner. at time of inspection, observed the drain opening on the roof and drain in front of cellar entry/exit door in rear yard clogged/blocked with foliage, gut

    Nov 20, 2024

    Resolve

Complaints

  • Heat/hot water

    Apartment only

    Jan 18, 2020 · Apt 1R

    Close
  • Door/window

    Door

    Jan 13, 2018 · Apt 2R

    Close
  • Plumbing

    Toilet

    Nov 10, 2016 · Apt 4F

    Close
  • Plumbing

    Toilet

    Nov 10, 2016 · Apt 4F

    Close
  • Heat/hot water

    Entire building

    Feb 11, 2015 · Apt 1R

    Close
  • Heat/hot water

    Apartment only

    Feb 11, 2015 · Apt 4F

    Close
  • General

    Cooking gas

    Apr 3, 2014 · Apt 4R

    Close
  • Electric

    Lighting

    Apr 3, 2014 · Apt 4R

    Close
  • Electric

    Lighting

    Apr 3, 2014 · Apt 4R

    Close
  • Heat/hot water

    Apartment only

    Apr 3, 2014 · Apt 4R

    Close
Show 11 more ↓
  • Heat/hot water

    Apartment only

    Mar 27, 2014 · Apt 4R

    Close
  • Electric

    No lighting

    Mar 27, 2014 · Apt 4R

    Close
  • Appliance

    Electric/gas range

    Mar 27, 2014 · Apt 4R

    Close
  • Heating

    Heat related

    Nov 3, 2011 · Apt 4R

    Close
  • Electric

    Wiring

    Nov 3, 2011 · Apt 4R

    Close
  • Plumbing

    Water-leaks

    Nov 3, 2011 · Apt 4R

    Close
  • Plumbing

    Water-leaks

    Nov 3, 2011 · Apt 4R

    Close
  • General

    Cooking gas

    Oct 21, 2011 · Apt 4R

    Close
  • Plumbing

    Water supply

    Oct 21, 2011 · Apt 4R

    Close
  • Electric

    Wiring

    Oct 21, 2011 · Apt 4R

    Close
  • Electric

    Wiring

    Oct 21, 2011 · Apt 4R

    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
5,600 ft²
Lot area
1,800 ft²
Zoning
R6B
Community board
303
Council district
36
Block / lot
1831 / 1
Assessed value
$713,250
Landmark / historic district
No

HPD registration #322869, last renewed Jul 28, 2026.

Questions about 523 Throop Avenue

Who owns 523 Throop Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 523 Throop Ave., LLC.

Does 523 Throop Avenue have violations?

Yes. NYC HPD has recorded 14 housing violations at this property.

Is 523 Throop Avenue rent stabilized?

NYC Department of Finance tax bills listed 8 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 523 Throop Avenue built?

City records list 1910 as the year it was built.

How many apartments are in 523 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.