roofy
Post

378 Kosciuszko Street

Brooklyn, NY 11221BBL 3-01605-0009Map

Owner of record: 378 K Prop LLC

378 Kosciuszko Street is a walk-up apartment building built in 1931 in Brooklyn, 11221. It has 5 residential units across 4 floors. The owner of record is 378 K Prop LLC. HPD has recorded 15 housing violations here, most recently on May 5, 2026.

HPD violations
15
DOB violations
4
ECB violations
2
HPD complaints
2

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

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

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 · 15

  • 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
  • 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 20, 2025

    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 10, 2024

    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.

    Nov 21, 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.

    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
  • 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.

    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.

    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 30, 2019

    Closed — Violation dismissed
Show 5 more ↓
  • 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 18, 2018

    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.

    Nov 24, 2017

    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.

    Nov 10, 2016

    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
  • 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.

    Feb 23, 2015

    Closed — Violation dismissed

DOB building violations · 4

  • Construction other optional

    Borough commissioner has ordered all work stopped under application #340624364 on 1/11/22 due to applicant withdrawal

    Jan 12, 2022

    Dob violation - active
  • Construction other optional

    Borough commissioner has ordered all work stopped under application #340624364 on 1/11/22 due to applicant withdrawal

    Jan 12, 2022

    Dob violation - active
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Nov 13, 2019

    Dob violation - dismissed
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Jul 24, 2019

    Dob violation - dismissed

ECB violations · 2

  • Class - 1

    Work does not conform approved/accepted plans. at the time of my inspection,3 sty building under alt work. observed contractor replaced woodjoist by adding c-joist at every floor,but there was no dd or details

    Aug 21, 2019 · Penalty $2,500

    Resolve
  • Class - 1

    Bc 3301.2 failure to institute and maintain equipment measures and temporary construction (overhead protection) note: at the time of my inspection of a 3story building, i observed a supported scaffold erect

    Apr 23, 2019 · Penalty $2,500

    Resolve

Complaints

  • Unsanitary condition

    Pests

    Apr 17, 2026 · Apt 2

    Close
  • Appliance

    Sprinker cert

    Jul 26, 2004

    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 (C2)
Year built
1931
Floors
4
Residential units
5
Building area
3,890 ft²
Lot area
2,000 ft²
Zoning
R6B
Community board
303
Council district
36
Block / lot
1605 / 9
Assessed value
$213,750
Landmark / historic district
No

HPD registration #307238, last renewed Dec 9, 2025.

Questions about 378 Kosciuszko Street

Who owns 378 Kosciuszko Street?

The owner of record in NYC Department of City Planning PLUTO data is 378 K Prop LLC.

Does 378 Kosciuszko Street have violations?

Yes. NYC HPD has recorded 15 housing violations at this property.

Is 378 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 378 Kosciuszko Street built?

City records list 1931 as the year it was built.

How many apartments are in 378 Kosciuszko Street?

It has 5 residential units.

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