561 KOSCIUSZKO STREET
561 KOSCIUSZKO STREET is a Class C0 (walk-up, 3+ families) building in Brooklyn (BBL 3016030057) built in 2004, with 3 residential units across 3 floors.
The building is in NYC community district 303, council district 36, zoning district R6B, on a 1,892-square-foot lot with a building footprint of 2,214 square feet.
The current registered owner of record per NYC PLUTO is DIALLO, BOUBACAR.
MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
NYC public records show 1 open HPD housing-maintenance code violation on this property as of May 18, 2026, all Class C (immediately hazardous).
Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.
Owner of record
HPD registered contacts
- Site ManagerCarlos Alvarado
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6B
- Lot size:
- 1,892 sqft
- Building area:
- 2,214 sqft
- Floors:
- 3
- Assessed value:
- $53K
- Community district:
- 303
- Council district:
- 36
HPD violations
Recent HPD violation details
- Class IInspected Nov 20, 2025§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
- Class AInspected Apr 17, 2024(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class IInspected Nov 21, 2023§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
- Class AInspected Mar 31, 2023(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class IInspected Nov 10, 2022§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
Recent ACRIS activity
Frequently asked questions about 561 KOSCIUSZKO STREET
Who owns 561 KOSCIUSZKO STREET?
The current registered owner of record for 561 KOSCIUSZKO STREET per NYC PLUTO is DIALLO, BOUBACAR. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 561 KOSCIUSZKO STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 561 KOSCIUSZKO STREET in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).
How many HPD violations does 561 KOSCIUSZKO STREET have?
1 open HPD housing-maintenance code violation on this property as of May 18, 2026, all Class C (immediately hazardous). HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 561 KOSCIUSZKO STREET?
NYC Department of Finance assesses 561 KOSCIUSZKO STREET at $53K for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.
What building class is 561 KOSCIUSZKO STREET and what does that mean?
561 KOSCIUSZKO STREET is NYC building class C0 — Walk-up, 3+ families. A 3-to-6-story walk-up apartment building (no elevator), 3 or more residential units. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.