Is 354 E 21st St rent stabilized?
354 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 34 apartments, built in 1925.
Also written as 354 East 21st Street — or 354 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 34 apartments it sits near the middle of the 564 rent-stabilized buildings this site tracks in Flatbush, where the median building has 35. Its 1925 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 71 open violations here, about 2.1 per apartment — above the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 799 violations on record at the address, 192 are class C — HPD's immediately hazardous grade. Tenants have filed 984 HPD complaints at the address, 19 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1925 |
| Apartments | 34 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3051240051 |
Owner & management
| Owner | 354 EAST 21 STREET REALTY CORP 3611 14TH AVENUE #603 #603 · Brooklyn, NY 11218 |
| Managing agent | 354 EAST 21 STREET REALTY CORP |
Building conditions
| HPD violations | 71 open / 799 total · 34 in last 12 mo |
| HPD complaints | 0 open / 984 total |
| HPD registration last filed | September 10, 2025 |