Is 643 Cauldwell Ave rent stabilized?
643 Cauldwell Ave is a registered NYC rent-stabilized building in Melrose, the Bronx (10455). It has about 41 apartments, built in 1913.
Also written as 643 Cauldwell Avenue — or 643 Cauldwell Ave, the Bronx, NY 10455.
How this building compares
With about 41 apartments it is larger than 81% of the 244 rent-stabilized buildings this site tracks in Melrose. Its 1913 construction date sits close to the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists 76 open violations here, about 1.9 per apartment — above the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 947 violations on record at the address, 241 are class C — HPD's immediately hazardous grade, and 13 of them are still open. HPD issued 59 new violations at the address in the last twelve months.
Building details
| Borough | the Bronx |
| Neighborhood | Melrose |
| ZIP | 10455 |
| Year built | 1913 |
| Apartments | 41 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 2026240084 |
Owner & management
| Owner | BRONX SHARP REALTY LLC 2365 NOSTRAND AVE #2 FL · Brooklyn, NY 11210 |
| Managing agent | BEN SCHWADEL |
Building conditions
| HPD violations | 76 open / 947 total · 59 in last 12 mo |
| HPD complaints | 11 open / 1152 total |
| HPD registration last filed | August 5, 2025 |
Full building report — $9
Frequently asked questions
Is 643 Cauldwell Ave rent stabilized?
643 Cauldwell Ave in Melrose, the Bronx is registered as rent stabilized in the New York State DHCR 2024 rent-stabilized building files, where its stabilization code is MULTIPLE DWELLING A. Registration is recorded for the building, not for each apartment in it, so an individual unit here can still have been deregulated — ask the landlord or DHCR for that apartment's rent history before relying on it.
How many apartments are at 643 Cauldwell Ave?
643 Cauldwell Ave (BBL 2026240084) has about 41 residential apartments and was built in 1913, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.