Is 601 To 603 Kosciuszko St rent stabilized?
601 To 603 Kosciuszko St is a registered NYC rent-stabilized building in Bed-Stuy (East), Brooklyn (11221). It has about 16 apartments, built in 1931.
Also written as 601 To 603 Kosciuszko Street — or 601 To 603 Kosciuszko St, Brooklyn, NY 11221.
How this building compares
With about 16 apartments it is larger than 83% of the 816 rent-stabilized buildings this site tracks in Bed-Stuy (East). Its 1931 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 1 open violation here, about one for every 16 apartments — below the 0.6 per apartment median for tracked buildings in the neighborhood. Of the 12 violations on record at the address, 1 is class C — HPD's immediately hazardous grade. Tenants have filed 23 HPD complaints at the address, 1 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Bed-Stuy (East) |
| ZIP | 11221 |
| Year built | 1931 |
| Apartments | 16 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING B, GARDEN COMPLEX, J-51 |
| BBL | 3016040045 |
Owner & management
| Owner | NU WORLD BUILDERS LLC 195-11 LINDEN BLVD · ST. ALBANS, NY 11412 |
| Managing agent | NASHER REALTY ASSOCIATE, INC |
Building conditions
| HPD violations | 1 open / 12 total · 1 in last 12 mo |
| HPD complaints | 0 open / 23 total |
| HPD registration last filed | August 24, 2025 |