Is 401 E 21st St rent stabilized?
401 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 20 apartments, built in 1918.
Also written as 401 East 21st Street — or 401 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 20 apartments it is smaller than 68% of the 564 rent-stabilized buildings this site tracks in Flatbush. Its 1918 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 45 open violations here, about 2.2 per apartment — above the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 616 violations on record at the address, 178 are class C — HPD's immediately hazardous grade. Tenants have filed 982 HPD complaints at the address, 17 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1918 |
| Apartments | 20 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3051520028 |
Owner & management
| Owner | WILSON FLAT INC 1268 52 ST · Brooklyn, NY 11219 |
| Managing agent | BARRY HERS |
Building conditions
| HPD violations | 45 open / 616 total · 33 in last 12 mo |
| HPD complaints | 1 open / 982 total |
| HPD registration last filed | August 4, 2025 |