556 Kosciuszko Street
Brooklyn, NY 11221BBL 3-01607-0036Map
Owner of record: Nu World Builders LLC
556 Kosciuszko Street is a walk-up apartment building built in 1931 in Brooklyn, 11221. It has 16 residential units across 4 floors. The owner of record is Nu World Builders LLC. HPD has recorded 11 housing violations here, most recently on May 5, 2026. 1 of the 11 most recent violations are still open. City tax records listed 8 rent-stabilized apartments here in 2024.
- HPD violations
- 11
- DOB violations
- 7
- ECB violations
- 0
- HPD complaints
- 3
What to know
Immediately hazardous issues among recent violations are still open.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
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.
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 · 11
- ANon-hazardous
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 - CImmediately hazardous
Abate the nuisance consisting of evidence of rats and all underlying causes creating the pest infestations, by using integrated pest management (ipm), eliminate all burrow entry and passageways, pest nests, holes, gaps or cracks in walls, ceilings, floors, fixing leaks and managing garbage in public areas. evidence found at throughout yard
Nov 13, 2025
Open — Defect letter issued - ANon-hazardous
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 - ANon-hazardous
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 - CImmediately hazardous
M/d law abate the nuisance consisting of refrigerator with door intact at public hall, 1st story
May 3, 2023
Closed — Violation dismissed - ANon-hazardous
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 - IInformation / order
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 10, 2022
Closed — Violation dismissed - ANon-hazardous
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 - ANon-hazardous
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 - IInformation / order
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 30, 2019
Closed — Violation dismissed
Show 1 more ↓
- BHazardous
Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. located at apt 2a, 2nd story
Sep 6, 2011 · Apt 2A
Closed — Violation closed
DOB building violations · 7
- Low pressure boiler boiler required
Violation issued-failure to file 2024 external low pressure inspection
Nov 14, 2025
Dob violation - active - 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 2012 inspection report
May 15, 2014
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 7, 2000
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
May 4, 1998
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 29, 1995
Dob violation - dismissed - Plumbing none
P-plumbing none
Oct 19, 1989
Dob violation - dismissed
ECB violations · 0
No ECB violations on record
Complaints
- Door/window
Door
Nov 28, 2022 · Apt BLDG
Close - Door/window
Door
Nov 23, 2022 · Apt BLDG
Close - General
Mailbox
Nov 29, 2005 · Apt 2A
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C1)
- Year built
- 1931
- Floors
- 4
- Residential units
- 16
- Building area
- 6,120 ft²
- Lot area
- 2,550 ft²
- Zoning
- R6B
- Community board
- 303
- Council district
- 36
- Block / lot
- 1607 / 36
- Assessed value
- $420,300
- Landmark / historic district
- No
HPD registration #338871, last renewed Aug 24, 2025.
Questions about 556 Kosciuszko Street
Who owns 556 Kosciuszko Street?
The owner of record in NYC Department of City Planning PLUTO data is Nu World Builders LLC.
Does 556 Kosciuszko Street have violations?
Yes. NYC HPD has recorded 11 housing violations at this property.
Is 556 Kosciuszko Street rent stabilized?
NYC Department of Finance tax bills listed 8 rent-stabilized units here in 2024 (about 50% of its 16 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 556 Kosciuszko Street built?
City records list 1931 as the year it was built.
How many apartments are in 556 Kosciuszko Street?
It has 16 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.