534 KOSCIUSZKO STREET
534 KOSCIUSZKO STREET is a Class B1 (two-family brick) building in Brooklyn (BBL 3016070023) built in 1931, with 2 residential units across 2 floors.
The building is in NYC community district 303, council district 36, zoning district R6B, on a 1,950-square-foot lot with a building footprint of 2,340 square feet.
The current registered owner of record per NYC PLUTO is 534 KOSCIUSZKO BK INC.
The most recent ACRIS deed transfer for this BBL was recorded on July 22, 2025 when FLAGSTAR BANK, N.A.; FLAGSTAR BANK, FSB conveyed the property to 534 KOSCIUSZKO BK INC for $1.02M. The transaction was financed with a $921K mortgage from Loan Funder Llc, Series 107262.
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
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6B
- Lot size:
- 1,950 sqft
- Building area:
- 2,340 sqft
- Floors:
- 2
- Assessed value:
- $75K
- Community district:
- 303
- Council district:
- 36
HPD violations
Recent HPD violation details
- Class BInspected Sep 24, 2008SECTION 9, 170, 171, 300, 301, 302 M.D.LAW-FILE PLANS AND APPLICATION AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE CONVERSION FROM…
- Class BInspected Sep 24, 2008SECTION 27-2087 ADM CODE - DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES WHERE ILLEGAL AND PROPERLY SEAL PIPE CONNECTION…
- Class BInspected Jun 23, 2008SECTION 9, 170, 171, 300, 301, 302 M.D.LAW-FILE PLANS AND APPLICATION AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE CONVERSION FROM…
- Class BInspected Jun 23, 2008SECTION 27-2087 ADM CODE - DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES WHERE ILLEGAL AND PROPERLY SEAL PIPE CONNECTION…
- Class BInspected Sep 14, 2006SECTION 27-2087 ADM CODE - DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES WHERE ILLEGAL AND PROPERLY SEAL PIPE CONNECTION…
Recent ACRIS activity
Frequently asked questions about 534 KOSCIUSZKO STREET
Who owns 534 KOSCIUSZKO STREET?
The current registered owner of record for 534 KOSCIUSZKO STREET per NYC PLUTO is 534 KOSCIUSZKO BK INC. The most recent ACRIS deed transfer for this BBL was recorded on July 22, 2025 when the property was conveyed to 534 KOSCIUSZKO BK INC. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.
When was 534 KOSCIUSZKO STREET last sold?
The most recent ACRIS deed transfer for 534 KOSCIUSZKO STREET was recorded on July 22, 2025, when FLAGSTAR BANK, N.A.; FLAGSTAR BANK, FSB conveyed the property to 534 KOSCIUSZKO BK INC for $1.02M. The transaction was financed with a $921K mortgage from Loan Funder Llc, Series 107262.
How many HPD violations does 534 KOSCIUSZKO STREET have?
No open HPD housing-maintenance code violations are on record for 534 KOSCIUSZKO STREET. The building is not registered with NYC HPD's landlord-registration system, which is typical for owner-occupied 1-2 family dwellings. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 534 KOSCIUSZKO STREET?
NYC Department of Finance assesses 534 KOSCIUSZKO STREET at $75K 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 534 KOSCIUSZKO STREET and what does that mean?
534 KOSCIUSZKO STREET is NYC building class B1 — Two-family brick. A two-family residential building of brick construction, typically owner-occupied. 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.