Is 390 E 21st St rent stabilized?
390 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 15 apartments, built in 1909.
Also written as 390 East 21st Street — or 390 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 15 apartments it is smaller than 81% of the 564 rent-stabilized buildings this site tracks in Flatbush. It went up in 1909, 22 years before the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 10 open violations here, about 0.7 per apartment — below the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 429 violations on record at the address, 179 are class C — HPD's immediately hazardous grade. Tenants have filed 777 HPD complaints at the address, 16 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1909 |
| Apartments | 15 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING B |
| BBL | 3051510011 |
Owner & management
| Owner | OCEAN HEIGHTS HOLDINGS LLC 390 EAST 21 ST · Brooklyn, NY 11226 |
| Managing agent | Alejandro Espinosa |
Building conditions
| HPD violations | 10 open / 429 total · 10 in last 12 mo |
| HPD complaints | 0 open / 777 total |
| HPD registration last filed | June 3, 2025 |