Is 409 E 21st St rent stabilized?
409 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 24 apartments, built in 1918.
Also written as 409 East 21st Street — or 409 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 24 apartments it sits near the middle of the 564 rent-stabilized buildings this site tracks in Flatbush, where the median building has 35. Its 1918 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 17 open violations here, about 0.7 per apartment — close to the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 464 violations on record at the address, 102 are class C — HPD's immediately hazardous grade. Tenants have filed 652 HPD complaints at the address, 2 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1918 |
| Apartments | 24 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3051520025 |
Owner & management
| Owner | REB DOVID REALTY 1402 AVE J · BROOKLYN, NY 11230 |
| Managing agent | ROLMAN GARCIA |
Building conditions
| HPD violations | 17 open / 464 total · 4 in last 12 mo |
| HPD complaints | 0 open / 652 total |
| HPD registration last filed | September 12, 2025 |