645 4 AVENUE
645 4 AVENUE is a Class G2 (garage / gas station) building in Brooklyn (BBL 3006370005) built in 1963, with 1 residential unit across 1 floor.
The building is in NYC community district 307, council district 38, zoning district R8A, on a 2,654-square-foot lot with a building footprint of 2,560 square feet.
The current registered owner of record per NYC PLUTO is MENSANA REALTY HOLDINGS LLC.
The most recent ACRIS deed transfer for this BBL was recorded on February 26, 2026 when Mensana Realty Holdings Llc conveyed the property to 645 4th Ave Llc for $2.90M. The transaction was financed with a $1.90M mortgage from S3 Sb Real Estate Credit A Trust.
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 3)
Building stats
- Zoning:
- R8A
- Lot size:
- 2,654 sqft
- Building area:
- 2,560 sqft
- Floors:
- 1
- Assessed value:
- $179K
- Community district:
- 307
- Council district:
- 38
HPD violations
Recent HPD violation details
Recent ACRIS activity
Frequently asked questions about 645 4 AVENUE
Who owns 645 4 AVENUE?
The current registered owner of record for 645 4 AVENUE per NYC PLUTO is MENSANA REALTY HOLDINGS LLC. The most recent ACRIS deed transfer for this BBL was recorded on February 26, 2026 when the property was conveyed to 645 4th Ave 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 645 4 AVENUE last sold?
The most recent ACRIS deed transfer for 645 4 AVENUE was recorded on February 26, 2026, when Mensana Realty Holdings Llc conveyed the property to 645 4th Ave Llc for $2.90M. The transaction was financed with a $1.90M mortgage from S3 Sb Real Estate Credit A Trust.
How many HPD violations does 645 4 AVENUE have?
No open HPD housing-maintenance code violations are on record for 645 4 AVENUE. 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 645 4 AVENUE?
NYC Department of Finance assesses 645 4 AVENUE at $179K 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 645 4 AVENUE and what does that mean?
645 4 AVENUE is NYC building class G2 — Garage / gas station. Garage / gas station. 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.