633 OSBORN STREET
633 OSBORN STREET is a Class C3 (walk-up, pre-1929) building in Brooklyn (BBL 3036380026) built in 1930, with 4 residential units across 2 floors.
The building is in NYC community district 316, council district 42, zoning district R6, on a 3,500-square-foot lot with a building footprint of 3,060 square feet.
The current registered owner of record per NYC PLUTO is ANNE MARIE STANISLAUS IRREVOCABLE LIVING TRUST.
The most recent ACRIS deed transfer for this BBL was recorded on May 2, 2024 when STANISLAUS, ANNE MARIE conveyed the property to ANNE MARIE STANISLAUS IRREVOCABLE LIVING TRUST; MARTIN RICHARD LEONARD - TRUSTEE 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
- Site ManagerANNE MARIE STANISLAUS
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6
- Lot size:
- 3,500 sqft
- Building area:
- 3,060 sqft
- Floors:
- 2
- Assessed value:
- $143K
- Community district:
- 316
- Council district:
- 42
HPD violations
Recent HPD violation details
- Class AInspected May 5, 2026(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class IInspected Nov 19, 2025§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
- Class AInspected Jun 10, 2025(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class AInspected Apr 11, 2024(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class AInspected Mar 1, 2022(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
Recent ACRIS activity
Frequently asked questions about 633 OSBORN STREET
Who owns 633 OSBORN STREET?
The current registered owner of record for 633 OSBORN STREET per NYC PLUTO is ANNE MARIE STANISLAUS IRREVOCABLE LIVING TRUST. The most recent ACRIS deed transfer for this BBL was recorded on May 2, 2024 when the property was conveyed to ANNE MARIE STANISLAUS IRREVOCABLE LIVING TRUST; MARTIN RICHARD LEONARD - TRUSTEE. 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 633 OSBORN STREET last sold?
The most recent ACRIS deed transfer for 633 OSBORN STREET was recorded on May 2, 2024, when STANISLAUS, ANNE MARIE conveyed the property to ANNE MARIE STANISLAUS IRREVOCABLE LIVING TRUST; MARTIN RICHARD LEONARD - TRUSTEE for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 633 OSBORN STREET have?
No open HPD housing-maintenance code violations are on record for 633 OSBORN 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 633 OSBORN STREET?
NYC Department of Finance assesses 633 OSBORN STREET at $143K 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 633 OSBORN STREET and what does that mean?
633 OSBORN STREET is NYC building class C3 — Walk-up, pre-1929. A walk-up apartment building constructed before 1929, typically 3-6 stories and often rent-stabilized. 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.