643 SOUTHERN BOULEVARD
643 SOUTHERN BOULEVARD is a Class C1 (walk-up, over six families) building in Bronx (BBL 2026830094) built in 1925, with 46 residential units across 6 floors.
The building is in NYC community district 202, council district 17, zoning district R7-1, on a 10,400-square-foot lot with a building footprint of 40,992 square feet.
The current registered owner of record per NYC PLUTO is 643 SOUTHERN LLC.
The most recent ACRIS deed transfer for this BBL was recorded on December 21, 2021 when MARQUIS HOUSING LLC conveyed the property to 643 SOUTHERN LLC for $5.20M. 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 OfficerDAVID TENNENBAUM
- Corporate Owner643 SOUTHERN LLC
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R7-1
- Lot size:
- 10,400 sqft
- Building area:
- 40,992 sqft
- Floors:
- 6
- Assessed value:
- $1.1M
- Community district:
- 202
- Council district:
- 17
HPD violations
Recent HPD violation details
- Class BInspected May 13, 2026§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 30SQ FT CEILING, WEST AND NORTH WALLS IN THE…
- Class BInspected May 13, 2026§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN AC…
- Class AInspected May 13, 2026§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT AT CEILING, WEST AND NORTH WALLS IN THE 1st ROOM FR…
- Class BInspected May 13, 2026§ 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVI…
- Class BInspected May 13, 2026§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT LOWER WINDOW SASH AT SOUTH WALL IN THE 3rd ROOM FROM EAS…
Recent ACRIS activity
Frequently asked questions about 643 SOUTHERN BOULEVARD
Who owns 643 SOUTHERN BOULEVARD?
The current registered owner of record for 643 SOUTHERN BOULEVARD per NYC PLUTO is 643 SOUTHERN LLC. The most recent ACRIS deed transfer for this BBL was recorded on December 21, 2021 when the property was conveyed to 643 SOUTHERN 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 643 SOUTHERN BOULEVARD last sold?
The most recent ACRIS deed transfer for 643 SOUTHERN BOULEVARD was recorded on December 21, 2021, when MARQUIS HOUSING LLC conveyed the property to 643 SOUTHERN LLC for $5.20M. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 643 SOUTHERN BOULEVARD have?
No open HPD housing-maintenance code violations are on record for 643 SOUTHERN BOULEVARD 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 643 SOUTHERN BOULEVARD?
NYC Department of Finance assesses 643 SOUTHERN BOULEVARD at $1.06M 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 643 SOUTHERN BOULEVARD and what does that mean?
643 SOUTHERN BOULEVARD 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.