373 KOSCIUSZKO STREET
373 KOSCIUSZKO STREET is a Class B9 (two-family misc) building in Brooklyn (BBL 3017820040) built in 2004, with 2 residential units across 3 floors.
The building is in NYC community district 303, council district 36, zoning district R6A, on a 1,600-square-foot lot with a building footprint of 2,700 square feet.
The current registered owner of record per NYC PLUTO is KOSCO 26 LLC.
The most recent ACRIS deed transfer for this BBL was recorded on June 4, 2024 when SCHWARTZ, ESQ AS REFEREE, JEFFREY ESQ. conveyed the property to KOSCO 26 LLC for $1.22M. The transaction was financed with a $953K mortgage from Broadview Capital Llc.
The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 18, 2026.
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
- Head Officerabel grenbaun
- Corporate OwnerKOSCO 26 LLC
- Site Managerabel grenbaum
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6A
- Lot size:
- 1,600 sqft
- Building area:
- 2,700 sqft
- Floors:
- 3
- Assessed value:
- $100K
- Community district:
- 303
- Council district:
- 36
HPD violations
Recent HPD violation details
- Class CInspected Mar 5, 2025§ 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR AT CEILING IN THE 1st ROOM FROM NORTH LO…
- Class BInspected Mar 5, 2025§ 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR AT CEILING AND SOUTH WALL IN THE BATHROO…
- Class BInspected Mar 5, 2025§ 27-2005 ADMIN. CODE: REPAIR THE ROOF SO THAT IT WILL NOT LEAK ABOVE THE CEILING IN THE BATHROOM LOCATED AT APT 2, 2nd STORY, 2nd APARTMENT…
- Class BInspected Mar 5, 2025HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY, 2nd APARTMENT FRO…
- Class BInspected Mar 5, 2025§ 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD BASE CABINET AT WEST IN THE KITCHEN LOCATED AT APT…
Recent ACRIS activity
Other buildings in this portfolio
- 371 KOSCIUSZKO STREET6 violations
Frequently asked questions about 373 KOSCIUSZKO STREET
Who owns 373 KOSCIUSZKO STREET?
The current registered owner of record for 373 KOSCIUSZKO STREET per NYC PLUTO is KOSCO 26 LLC. The most recent ACRIS deed transfer for this BBL was recorded on June 4, 2024 when the property was conveyed to KOSCO 26 LLC. 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 373 KOSCIUSZKO STREET last sold?
The most recent ACRIS deed transfer for 373 KOSCIUSZKO STREET was recorded on June 4, 2024, when SCHWARTZ, ESQ AS REFEREE, JEFFREY ESQ. conveyed the property to KOSCO 26 LLC for $1.22M. The transaction was financed with a $953K mortgage from Broadview Capital Llc.
How many HPD violations does 373 KOSCIUSZKO STREET have?
No open HPD housing-maintenance code violations are on record for 373 KOSCIUSZKO STREET as of May 18, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 373 KOSCIUSZKO STREET?
NYC Department of Finance assesses 373 KOSCIUSZKO STREET at $100K 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 373 KOSCIUSZKO STREET and what does that mean?
373 KOSCIUSZKO STREET is NYC building class B9 — Two-family misc. Miscellaneous two-family dwelling. 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.