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 28 open violations here, about 1.2 per apartment — above the 0.6 per apartment median for tracked buildings in the neighborhood. Of the 527 violations on record at the address, 145 are class C — HPD's immediately hazardous grade. Tenants have filed 389 HPD complaints at the address, 48 of them 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 | 28 open / 527 total · 5 in last 12 mo |
| HPD complaints | 9 open / 389 total |
| HPD registration last filed | October 8, 2025 |
Full building report — $9
Other rent-stabilized buildings in Castle Hill-Unionport
See all in Castle Hill-Unionport →