Is 485 E 21st St rent stabilized?
485 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 28 apartments, built in 1922.
Also written as 485 East 21st Street — or 485 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 28 apartments it sits near the middle of the 564 rent-stabilized buildings this site tracks in Flatbush, where the median building has 35. Its 1922 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 23 open violations here, about 0.8 per apartment — close to the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 287 violations on record at the address, 103 are class C — HPD's immediately hazardous grade. Tenants have filed 325 HPD complaints at the address, 8 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1922 |
| Apartments | 28 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING B |
| BBL | 3051640037 |
Owner & management
| Owner | ARGUS REALTY 485 LLC 1314 OCEAN PKWY #1B · BROOKLYN, NY 11230 |
| Managing agent | ARGUS REALTY 485 LLC |
Building conditions
| HPD violations | 23 open / 287 total · 4 in last 12 mo |
| HPD complaints | 0 open / 325 total |
| HPD registration last filed | August 26, 2025 |