Is 2105 Blackrock Ave rent stabilized?
2105 Blackrock Ave is a registered NYC rent-stabilized building in Castle Hill-Unionport, the Bronx (10472). It has about 23 apartments, built in 1927.
Also written as 2105 Blackrock Avenue — or 2105 Blackrock Ave, the Bronx, NY 10472.
How this building compares
With about 23 apartments it sits near the middle of the 92 rent-stabilized buildings this site tracks in Castle Hill-Unionport, where the median building has 15. Its 1927 construction date sits close to the 1929 median for stabilized buildings tracked in the neighborhood. HPD lists 35 open violations here, about 1.5 per apartment — above the 0.6 per apartment median for tracked buildings in the neighborhood. Of the 536 violations on record at the address, 148 are class C — HPD's immediately hazardous grade, and 18 of them are still open. HPD issued 14 new violations at the address in the last twelve months.
Building details
| Borough | the Bronx |
| Neighborhood | Castle Hill-Unionport |
| ZIP | 10472 |
| Year built | 1927 |
| Apartments | 23 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 2038080001 |
Owner & management
| Owner | BLACKROCK MGT CO INC. 1601 BRONXDALE AVE #201 · BRONX, NY 10462 |
| Managing agent | LANGSAM PROP SERV CORP |
Building conditions
| HPD violations | 35 open / 536 total · 14 in last 12 mo |
| HPD complaints | 0 open / 389 total |
| HPD registration last filed | October 8, 2025 |
Full building report — $9
Frequently asked questions
Is 2105 Blackrock Ave rent stabilized?
2105 Blackrock Ave in Castle Hill-Unionport, 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 2105 Blackrock Ave?
2105 Blackrock Ave (BBL 2038080001) has about 23 residential apartments and was built in 1927, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.
Other rent-stabilized buildings in Castle Hill-Unionport
See all in Castle Hill-Unionport →