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 430 violations on record at the address, 179 are class C — HPD's immediately hazardous grade, and 3 of them are still open. HPD issued 11 new violations at the address 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 / 430 total · 11 in last 12 mo |
| HPD complaints | 0 open / 779 total |
| HPD registration last filed | June 3, 2025 |
Full building report — $9
Frequently asked questions
Is 390 E 21st St rent stabilized?
390 E 21st St in Flatbush, Brooklyn is registered as rent stabilized in the New York State DHCR 2024 rent-stabilized building files, where its stabilization code is MULTIPLE DWELLING B. Registration is recorded for the building, not for each apartment in it, so an individual unit here can still have been deregulated — ask the landlord or DHCR for that apartment's rent history before relying on it.
How many apartments are at 390 E 21st St?
390 E 21st St (BBL 3051510011) has about 15 residential apartments and was built in 1909, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.