Is 5 E 21st St rent stabilized?
5 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 12 apartments, built in 1910.
Also written as 5 East 21st Street — or 5 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 12 apartments it is smaller than 85% of the 564 rent-stabilized buildings this site tracks in Flatbush. It went up in 1910, 21 years before the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 44 open violations here, about 3.7 per apartment — above the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 308 violations on record at the address, 66 are class C — HPD's immediately hazardous grade, and 9 of them are still open. HPD issued 13 new violations at the address in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1910 |
| Apartments | 12 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3050630027 |
Owner & management
| Owner | 5 EAST 21ST STREET LLC 57 FIFTH AVE #STE A · BROOKLYN, NY 11217 |
| Managing agent | 5 EAST 21ST STREET LLC |
Building conditions
| HPD violations | 44 open / 308 total · 13 in last 12 mo |
| HPD complaints | 9 open / 1486 total |
| HPD registration last filed | September 11, 2025 |
Full building report — $9
Frequently asked questions
Is 5 E 21st St rent stabilized?
5 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 5 E 21st St?
5 E 21st St (BBL 3050630027) has about 12 residential apartments and was built in 1910, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.