Is 485 E 21st St rent stabilized?
485 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 28 apartments, built in 1922.
Also written as 485 East 21st Street — or 485 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 28 apartments it sits near the middle of the 564 rent-stabilized buildings this site tracks in Flatbush, where the median building has 35. Its 1922 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 25 open violations here, about 0.9 per apartment — matching the median for tracked buildings in the neighborhood. Of the 289 violations on record at the address, 104 are class C — HPD's immediately hazardous grade, and 16 of them are still open. HPD issued 4 new violations at the address in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1922 |
| Apartments | 28 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING B |
| BBL | 3051640037 |
Owner & management
| Owner | ARGUS REALTY 485 LLC 1314 OCEAN PKWY #1B · BROOKLYN, NY 11230 |
| Managing agent | ARGUS REALTY 485 LLC |
Building conditions
| HPD violations | 25 open / 289 total · 4 in last 12 mo |
| HPD complaints | 0 open / 328 total |
| HPD registration last filed | August 26, 2025 |
Full building report — $9
Frequently asked questions
Is 485 E 21st St rent stabilized?
485 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 485 E 21st St?
485 E 21st St (BBL 3051640037) has about 28 residential apartments and was built in 1922, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.