417 Kosciuszko Street
Brooklyn, NY 11221BBL 3-01601-0044Map
Owner of record: 417 Kosciuszko Holdings LLC
417 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 417 Kosciuszko Holdings LLC. HPD has recorded 3 housing violations here, most recently on May 5, 2026. 3 of the 3 most recent violations are still open.
- HPD violations
- 3
- DOB violations
- 0
- ECB violations
- 0
- HPD complaints
- 6
What to know
No open immediately-hazardous violations among recent records.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 3
- 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
Open — Nov sent out - 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 20, 2025
Open — Info nov sent out - 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
Open — Nov sent out
DOB building violations · 0
No DOB violations on record
ECB violations · 0
No ECB violations on record
Complaints
- Heat/hot water
Apartment only
Oct 25, 2021 · Apt 1
Close - Plumbing
Steam pipe/riser
Oct 25, 2021 · Apt 1
Close - Unsanitary condition
Sewage
Oct 25, 2021 · Apt 1
Close - Unsanitary condition
Mold
Oct 25, 2021 · Apt 1
Close - Safety
Window guard broken/missing
Oct 25, 2021 · Apt 1
Close - Unsanitary condition
Mold
Oct 12, 2021 · Apt 1A
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C0)
- Year built
- 1899
- Floors
- 3
- Residential units
- 3
- Building area
- 2,700 ft²
- Lot area
- 1,875 ft²
- Zoning
- R6A
- Community board
- 303
- Council district
- 36
- Block / lot
- 1601 / 44
- Assessed value
- $102,480
- Landmark / historic district
- No
HPD registration #391357, last renewed Feb 27, 2025.
Questions about 417 Kosciuszko Street
Who owns 417 Kosciuszko Street?
The owner of record in NYC Department of City Planning PLUTO data is 417 Kosciuszko Holdings LLC.
Does 417 Kosciuszko Street have violations?
Yes. NYC HPD has recorded 3 housing violations at this property.
Is 417 Kosciuszko Street 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 417 Kosciuszko Street built?
City records list 1899 as the year it was built.
How many apartments are in 417 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.