420A KOSCIUSZKO STREET
420A KOSCIUSZKO STREET is a Class B3 (two-family converted) building in Brooklyn (BBL 3016050033) built in 1899, with 2 residential units across 2 floors.
The building is in NYC community district 303, council district 36, zoning district R6B, on a 1,850-square-foot lot with a building footprint of 2,331 square feet.
The current registered owner of record per NYC PLUTO is AYGUN, TAYLAN.
The most recent ACRIS deed transfer for this BBL was recorded on August 14, 2025 when L Y I LLC conveyed the property to AYGUN, TAYLAN; ULUKAYA, HATIME for $1.98M. The transaction was financed with a $1.98M mortgage from Hsbc Bank Usa; Mortgage Electronic Registration Systems Inc.
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:
- 1,850 sqft
- Building area:
- 2,331 sqft
- Floors:
- 2
- Assessed value:
- $82K
- Community district:
- 303
- Council district:
- 36
HPD violations
Recent HPD violation details
Recent ACRIS activity
Frequently asked questions about 420A KOSCIUSZKO STREET
Who owns 420A KOSCIUSZKO STREET?
The current registered owner of record for 420A KOSCIUSZKO STREET per NYC PLUTO is AYGUN, TAYLAN. The most recent ACRIS deed transfer for this BBL was recorded on August 14, 2025 when the property was conveyed to AYGUN, TAYLAN; ULUKAYA, HATIME. 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 420A KOSCIUSZKO STREET last sold?
The most recent ACRIS deed transfer for 420A KOSCIUSZKO STREET was recorded on August 14, 2025, when L Y I LLC conveyed the property to AYGUN, TAYLAN; ULUKAYA, HATIME for $1.98M. The transaction was financed with a $1.98M mortgage from Hsbc Bank Usa; Mortgage Electronic Registration Systems Inc.
How many HPD violations does 420A KOSCIUSZKO STREET have?
No open HPD housing-maintenance code violations are on record for 420A 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 420A KOSCIUSZKO STREET?
NYC Department of Finance assesses 420A KOSCIUSZKO STREET at $82K 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 420A KOSCIUSZKO STREET and what does that mean?
420A KOSCIUSZKO STREET is NYC building class B3 — Two-family converted. A two-family dwelling that was converted from a one-family. 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.