Is 5 E 21st St rent stabilized?
5 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 12 apartments, built in 1910.
Also written as 5 East 21st Street — or 5 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 12 apartments it is smaller than 85% of the 564 rent-stabilized buildings this site tracks in Flatbush. It went up in 1910, 21 years before the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 44 open violations here, about 3.7 per apartment — above the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 308 violations on record at the address, 66 are class C — HPD's immediately hazardous grade. Tenants have filed 1,469 HPD complaints at the address, 68 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1910 |
| Apartments | 12 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3050630027 |
Owner & management
| Owner | 5 EAST 21ST STREET LLC 57 FIFTH AVE #STE A · BROOKLYN, NY 11217 |
| Managing agent | 5 EAST 21ST STREET LLC |
Building conditions
| HPD violations | 44 open / 308 total · 13 in last 12 mo |
| HPD complaints | 7 open / 1469 total |
| HPD registration last filed | September 11, 2025 |