603 SHEFFIELD AVENUE
603 SHEFFIELD AVENUE is a Class B1 (two-family brick) building in Brooklyn (BBL 3038390009) built in 1910, with 2 residential units across 2 floors.
The building is in NYC community district 305, council district 42, zoning district R6, on a 2,375-square-foot lot with a building footprint of 2,320 square feet.
The current registered owner of record per NYC PLUTO is 109 BELMONT AVE LLC.
The most recent ACRIS deed transfer for this BBL was recorded on October 29, 2025 when Sierra, Reinaldo Jr; Sierra-harley, Carmen conveyed the property to 109 Belmont Ave Llc for $850K. The transaction was financed with a $600K mortgage from 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:
- R6
- Lot size:
- 2,375 sqft
- Building area:
- 2,320 sqft
- Floors:
- 2
- Assessed value:
- $54K
- Community district:
- 305
- Council district:
- 42
HPD violations
Recent HPD violation details
Recent ACRIS activity
Other buildings in this portfolio
- 109 BELMONT AVENUE24 violations
Frequently asked questions about 603 SHEFFIELD AVENUE
Who owns 603 SHEFFIELD AVENUE?
The current registered owner of record for 603 SHEFFIELD AVENUE per NYC PLUTO is 109 BELMONT AVE LLC. The most recent ACRIS deed transfer for this BBL was recorded on October 29, 2025 when the property was conveyed to 109 Belmont 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 603 SHEFFIELD AVENUE last sold?
The most recent ACRIS deed transfer for 603 SHEFFIELD AVENUE was recorded on October 29, 2025, when Sierra, Reinaldo Jr; Sierra-harley, Carmen conveyed the property to 109 Belmont Ave Llc for $850K. The transaction was financed with a $600K mortgage from Mortgage Electronic Registration Systems, Inc.
How many HPD violations does 603 SHEFFIELD AVENUE have?
No open HPD housing-maintenance code violations are on record for 603 SHEFFIELD 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 603 SHEFFIELD AVENUE?
NYC Department of Finance assesses 603 SHEFFIELD AVENUE at $54K 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 603 SHEFFIELD AVENUE and what does that mean?
603 SHEFFIELD AVENUE 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.