643 CAULDWELL AVENUE
643 CAULDWELL AVENUE is a Class C1 (walk-up, over six families) building in Bronx (BBL 2026240084) built in 1913, with 41 residential units across 6 floors.
The building is in NYC community district 201, council district 17, zoning district R6, on a 6,440-square-foot lot with a building footprint of 28,704 square feet.
The current registered owner of record per NYC PLUTO is BRONX SHARP REALTY LLC.
MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
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 OfficerMARTIN KIRZNER
- Corporate OwnerBRONX SHARP REALTY LLC
- Managing AgentBEN SCHWADEL
Most recent deed
Activity timeline
Recent ACRIS documents (last 2)
Building stats
- Zoning:
- R6
- Lot size:
- 6,440 sqft
- Building area:
- 28,704 sqft
- Floors:
- 6
- Assessed value:
- $1.5M
- Community district:
- 201
- Council district:
- 17
HPD violations
Recent HPD violation details
- Class CInspected Apr 29, 2026HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4, 1st STORY, 1st APARTMENT FRO…
- Class CInspected Apr 29, 2026HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4, 1st STORY, 1st APARTMENT FROM S…
- Class CInspected Mar 18, 2026§ 27-2029 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 6, 1st STORY, 1st APARTMENT F…
- Class BInspected Mar 18, 2026§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE MORTISE LOCK AND ASSEMBLY AT BUILDING ENTRANCE DOOR , 1st STORY
- Class CInspected Mar 18, 2026§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS…
Recent ACRIS activity
Other buildings in this portfolio
- 647 CAULDWELL AVENUE789 violations
- 1765 DAVIDSON AVENUE497 violations
Frequently asked questions about 643 CAULDWELL AVENUE
Who owns 643 CAULDWELL AVENUE?
The current registered owner of record for 643 CAULDWELL AVENUE per NYC PLUTO is BRONX SHARP REALTY LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 643 CAULDWELL AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 643 CAULDWELL AVENUE in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).
How many HPD violations does 643 CAULDWELL AVENUE have?
No open HPD housing-maintenance code violations are on record for 643 CAULDWELL AVENUE 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 CAULDWELL AVENUE?
NYC Department of Finance assesses 643 CAULDWELL AVENUE at $1.50M 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 CAULDWELL AVENUE and what does that mean?
643 CAULDWELL AVENUE 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.