64 KOSCIUSZKO STREET
64 KOSCIUSZKO STREET is a Class B1 (two-family brick) building in Brooklyn (BBL 3017830039) 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 1,800-square-foot lot with a building footprint of 2,655 square feet.
The current registered owner of record per NYC PLUTO is KARASAVAS, AMY.
The most recent ACRIS deed transfer for this BBL was recorded on January 23, 2026 when KARASAVAS, AMY conveyed the property to LEAHEY, ROBERT JASON; LEAHEY, SHANNON DUNLAP for $2.32M. The transaction was recorded as cash (no paired mortgage instrument).
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
Activity timeline
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6B
- Lot size:
- 1,800 sqft
- Building area:
- 2,655 sqft
- Floors:
- 2
- Assessed value:
- $107K
- Community district:
- 303
- Council district:
- 36
HPD violations
Recent HPD violation details
- Class CInspected Nov 3, 2004§ 27-2031 ADMIN. CODE: PROVIDE HOT WATER AT ALL HOT WATER FIXTURES - KITCHEN BATHROOM 2ND STY. APT.
- Class BInspected Nov 3, 2004§ 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING - BALUSTER OF STAIRS TO 1ST AND 2ND STY. PUBLIC HALL.
- Class BInspected Nov 3, 2004§ 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR - CEILING KITCHEN BASEMENT DUPLEX APT.
- Class BInspected Nov 3, 2004§ 27-2005 ADMIN. CODE: REPLACE WITH NEW THE BROKEN OR DEFECTIVE - GLASS LOWER SASH EAST WINDOW KITCHEN BASEMENT DUPLEX APT.
- Class BInspected Nov 3, 2004§ 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING - GLASS LOWER SASH WEST WINDOW KITCHEN BASEMENT DUPLEX APT.
Recent ACRIS activity
Frequently asked questions about 64 KOSCIUSZKO STREET
Who owns 64 KOSCIUSZKO STREET?
The current registered owner of record for 64 KOSCIUSZKO STREET per NYC PLUTO is KARASAVAS, AMY. The most recent ACRIS deed transfer for this BBL was recorded on January 23, 2026 when the property was conveyed to LEAHEY, ROBERT JASON; LEAHEY, SHANNON DUNLAP. 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 64 KOSCIUSZKO STREET last sold?
The most recent ACRIS deed transfer for 64 KOSCIUSZKO STREET was recorded on January 23, 2026, when KARASAVAS, AMY conveyed the property to LEAHEY, ROBERT JASON; LEAHEY, SHANNON DUNLAP for $2.32M. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 64 KOSCIUSZKO STREET have?
No open HPD housing-maintenance code violations are on record for 64 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 64 KOSCIUSZKO STREET?
NYC Department of Finance assesses 64 KOSCIUSZKO STREET at $107K 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 64 KOSCIUSZKO STREET and what does that mean?
64 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.