Is 21 E 21st St rent stabilized?
21 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 41 apartments, built in 1938.
Also written as 21 East 21st Street — or 21 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 41 apartments it sits near the middle of the 564 rent-stabilized buildings this site tracks in Flatbush, where the median building has 35. Its 1938 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 92 open violations here, about 2.2 per apartment — above the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 1,566 violations on record at the address, 319 are class C — HPD's immediately hazardous grade. Tenants have filed 1,926 HPD complaints at the address, 99 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1938 |
| Apartments | 41 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3050630023 |
Owner & management
| Owner | 21 EAST 21 STREET PARTNERS LLC 21 EAST 21 STREET · Brooklyn, NY 11230 |
| Managing agent | GOLDMONT REALTY CORP |
Building conditions
| HPD violations | 92 open / 1566 total · 212 in last 12 mo |
| HPD complaints | 8 open / 1926 total |
| HPD registration last filed | July 10, 2025 |