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522 Kosciuszko Street

Brooklyn, NY 11221BBL 3-01607-0017Map

Owner of record: Nu World Builders LLC

522 Kosciuszko Street is a walk-up apartment building built in 1899 in Brooklyn, 11221. It has 3 residential units across 3 floors. The owner of record is Nu World Builders LLC. HPD has recorded 14 housing violations here, most recently on May 5, 2026. 4 of the 14 most recent violations are still open. City tax records listed 3 rent-stabilized apartments here in 2018.

HPD violations
14
DOB violations
0
ECB violations
0
HPD complaints
6

What to know

Concern
2 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation May 5, 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 2018
3
About 100% of the building's 3 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.

    May 5, 2026

    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.

    Jun 10, 2025

    Closed — Violation dismissed
  • B

    Properly repair or replace the broken or defective mortise lock at vestibule door , 1st story

    Feb 1, 2025

    Open — Nov sent out
  • C

    Replace or repair the self-closing doors that is missing or defective closer arm at building front entrance door , 1st story

    Feb 1, 2025

    Closed — Violation closed
  • 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 27, 2024

    Closed — Violation dismissed
  • C

    Replace or repair the self-closing doors that is missing or defective hinges at building entrance door , 1st story

    Nov 6, 2024

    Closed — Violation closed
  • C

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

    Oct 2, 2024

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective locking assembly at vestibule door at lobby, 1st story

    Oct 2, 2024

    Open — Nov sent out
  • C

    Abate the infestation consisting of rodents rats yard

    Oct 2, 2024

    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 10, 2024

    Closed — Violation dismissed
Show 4 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 23, 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 25, 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 9, 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 9, 2015

    Closed — Violation dismissed

DOB building violations · 0

No DOB violations on record

ECB violations · 0

No ECB violations on record

Complaints

  • Heat/hot water

    Entire building

    Jan 30, 2025 · Apt 2A

    Close
  • Door/window

    Door

    Dec 15, 2024 · Apt 2A

    Close
  • Door/window

    Door

    Oct 28, 2024 · Apt 2A

    Close
  • Door/window

    Door

    Oct 9, 2024 · Apt 2A

    Close
  • Door/window

    Door

    Sep 29, 2024 · Apt 2A

    Close
  • Heating

    Heat related

    Nov 11, 2007 · Apt 2A

    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 (C0)
Year built
1899
Floors
3
Residential units
3
Building area
3,300 ft²
Lot area
2,000 ft²
Zoning
R6B
Community board
303
Council district
36
Block / lot
1607 / 17
Assessed value
$76,680
Landmark / historic district
No

HPD registration #343683, last renewed Jul 28, 2025.

Questions about 522 Kosciuszko Street

Who owns 522 Kosciuszko Street?

The owner of record in NYC Department of City Planning PLUTO data is Nu World Builders LLC.

Does 522 Kosciuszko Street have violations?

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

Is 522 Kosciuszko Street rent stabilized?

NYC Department of Finance tax bills listed 3 rent-stabilized units here in 2018 (about 100% of its 3 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 522 Kosciuszko Street built?

City records list 1899 as the year it was built.

How many apartments are in 522 Kosciuszko Street?

It has 3 residential units.

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