Is 638 Kosciuszko St rent stabilized?
638 Kosciuszko St is a registered NYC rent-stabilized building in Bushwick (West), Brooklyn (11221). It has about 6 apartments, built in 1931.
Also written as 638 Kosciuszko Street — or 638 Kosciuszko St, Brooklyn, NY 11221.
How this building compares
With about 6 apartments it sits near the middle of the 1,195 rent-stabilized buildings this site tracks in Bushwick (West), where the median building has 6. Its 1931 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 3 open violations here, about 0.5 per apartment — below the 0.7 per apartment median for tracked buildings in the neighborhood. Of the 24 violations on record at the address, 4 are class C — HPD's immediately hazardous grade. Tenants have filed 587 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Bushwick (West) |
| ZIP | 11221 |
| Year built | 1931 |
| Apartments | 6 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3032520015 |
Owner & management
| Owner | 638 ADAR LLC 1049 EAST 15TH STREET · Brooklyn, NY 11230 |
| Managing agent | YHT MANAGEMENT |
Building conditions
| HPD violations | 3 open / 24 total |
| HPD complaints | 0 open / 587 total |
| HPD registration last filed | August 28, 2025 |