Is 401 E 21st St rent stabilized?
401 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 20 apartments, built in 1918.
Also written as 401 East 21st Street — or 401 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 20 apartments it is smaller than 68% of the 564 rent-stabilized buildings this site tracks in Flatbush. Its 1918 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 42 open violations here, about 2.1 per apartment — above the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 616 violations on record at the address, 178 are class C — HPD's immediately hazardous grade, and 22 of them are still open. HPD issued 33 new violations at the address in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1918 |
| Apartments | 20 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3051520028 |
Owner & management
| Owner | WILSON FLAT INC 1268 52 ST · Brooklyn, NY 11219 |
| Managing agent | BARRY HERS |
Building conditions
| HPD violations | 42 open / 616 total · 33 in last 12 mo |
| HPD complaints | 1 open / 983 total |
| HPD registration last filed | August 4, 2025 |
Full building report — $9
Frequently asked questions
Is 401 E 21st St rent stabilized?
401 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 401 E 21st St?
401 E 21st St (BBL 3051520028) has about 20 residential apartments and was built in 1918, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.