473 KOSCIUSZKO STREET
473 KOSCIUSZKO STREET is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3016020078) built in 1931, with 8 residential units across 4 floors.
The building is in NYC community district 303, council district 36, zoning district R6A, on a 1,800-square-foot lot with a building footprint of 4,588 square feet.
The current registered owner of record per NYC PLUTO is TOWNHOUSE RENTAL IX, L.L.C..
The most recent ACRIS deed transfer for this BBL was recorded on December 15, 2025 when TOWNHOUSE RENTAL, L.L.C. conveyed the property to TOWNHOUSE RENTAL IX, L.L.C. for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
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 OfficerGLEN BROWN
- Corporate OwnerTOWNHOUSE RENTAL IX, LLC
- Managing AgentFREESTONE PROPERTY GROUP LLC
- Site ManagerPATRICIA SOTIRYADIS
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6A
- Lot size:
- 1,800 sqft
- Building area:
- 4,588 sqft
- Floors:
- 4
- Assessed value:
- $682K
- Community district:
- 303
- Council district:
- 36
HPD violations
Recent HPD violation details
- Class BInspected Oct 11, 2023§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROXIMATELY 40 SQ FT AT CEILING,APPROXIMATELY 20 SQ F…
- Class CInspected Oct 11, 2023HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1F, 1st STORY, 1st APARTMENT FR…
- Class BInspected Oct 11, 2023§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROXIMATELY 10 SQ FEET OF VISIBLE MOLD AT CEILING IN…
- Class BInspected Oct 11, 2023§ 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 1F, 1st STORY,…
- Class AInspected Oct 11, 2023§ 27-2010, 2011, 2012 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE AT BUILDING FRONT AT P…
Recent ACRIS activity
Frequently asked questions about 473 KOSCIUSZKO STREET
Who owns 473 KOSCIUSZKO STREET?
The current registered owner of record for 473 KOSCIUSZKO STREET per NYC PLUTO is TOWNHOUSE RENTAL IX, L.L.C.. The most recent ACRIS deed transfer for this BBL was recorded on December 15, 2025 when the property was conveyed to TOWNHOUSE RENTAL IX, L.L.C.. 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 473 KOSCIUSZKO STREET last sold?
The most recent ACRIS deed transfer for 473 KOSCIUSZKO STREET was recorded on December 15, 2025, when TOWNHOUSE RENTAL, L.L.C. conveyed the property to TOWNHOUSE RENTAL IX, L.L.C. for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 473 KOSCIUSZKO STREET have?
No open HPD housing-maintenance code violations are on record for 473 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 473 KOSCIUSZKO STREET?
NYC Department of Finance assesses 473 KOSCIUSZKO STREET at $682K 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 473 KOSCIUSZKO STREET and what does that mean?
473 KOSCIUSZKO STREET is NYC building class C1 — Walk-up, over six families. A 3-to-6-story walk-up apartment building with more than 6 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.