Is 363 E 21st St rent stabilized?
363 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 8 apartments, built in 1911.
Also written as 363 East 21st Street — or 363 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 8 apartments it is smaller than 90% of the 564 rent-stabilized buildings this site tracks in Flatbush. It went up in 1911, 20 years before the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 29 open violations here, about 3.6 per apartment — above the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 248 violations on record at the address, 54 are class C — HPD's immediately hazardous grade, and 10 of them are still open. HPD issued 8 new violations at the address in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1911 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3051250081 |
Owner & management
| Owner | ESSEX PACKAGE REALTY LLC 1360 EAST 14 STREET #101 · Brooklyn, NY 11230 |
| Managing agent | US REALTY CORP |
Building conditions
| HPD violations | 29 open / 248 total · 8 in last 12 mo |
| HPD complaints | 0 open / 488 total |
| HPD registration last filed | June 27, 2025 |
Full building report — $9
Frequently asked questions
Is 363 E 21st St rent stabilized?
363 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 A. 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 363 E 21st St?
363 E 21st St (BBL 3051250081) has about 8 residential apartments and was built in 1911, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.