51 SOUTH PORTLAND AVE
51 SOUTH PORTLAND AVE is a Class C0 (walk-up, 3+ families) building in Brooklyn (BBL 3021000008) built in 1866, with 3 residential units across 3 floors.
The building is in NYC community district 302, council district 35, zoning district R6B, on a 2,200-square-foot lot with a building footprint of 4,248 square feet.
The current registered owner of record per NYC PLUTO is KLIEGMAN, MATTHEW ADAM.
The most recent ACRIS deed transfer for this BBL was recorded on May 8, 2025 when THOMAS, DONNA; THOMAS-RUSSELL, DONNA conveyed the property to GREEN, SOPHIE ELLA; KLIEGMAN, MATTHEW ADAM for $5.23M. 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
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6B
- Lot size:
- 2,200 sqft
- Building area:
- 4,248 sqft
- Floors:
- 3
- Assessed value:
- $294K
- Community district:
- 302
- Council district:
- 35
HPD violations
Recent HPD violation details
Recent ACRIS activity
Frequently asked questions about 51 SOUTH PORTLAND AVE
Who owns 51 SOUTH PORTLAND AVE?
The current registered owner of record for 51 SOUTH PORTLAND AVE per NYC PLUTO is KLIEGMAN, MATTHEW ADAM. The most recent ACRIS deed transfer for this BBL was recorded on May 8, 2025 when the property was conveyed to GREEN, SOPHIE ELLA; KLIEGMAN, MATTHEW ADAM. 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 51 SOUTH PORTLAND AVE last sold?
The most recent ACRIS deed transfer for 51 SOUTH PORTLAND AVE was recorded on May 8, 2025, when THOMAS, DONNA; THOMAS-RUSSELL, DONNA conveyed the property to GREEN, SOPHIE ELLA; KLIEGMAN, MATTHEW ADAM for $5.23M. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 51 SOUTH PORTLAND AVE have?
No open HPD housing-maintenance code violations are on record for 51 SOUTH PORTLAND AVE. 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 51 SOUTH PORTLAND AVE?
NYC Department of Finance assesses 51 SOUTH PORTLAND AVE at $294K 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 51 SOUTH PORTLAND AVE and what does that mean?
51 SOUTH PORTLAND AVE is NYC building class C0 — Walk-up, 3+ families. A 3-to-6-story walk-up apartment building (no elevator), 3 or more 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.