Is 2121 Foster Ave rent stabilized?
2121 Foster Ave is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11210). It has about 24 apartments, built in 1931.
Also written as 2121 Foster Avenue — or 2121 Foster Ave, Brooklyn, NY 11210.
How this building compares
With about 24 apartments it sits near the middle of the 564 rent-stabilized buildings this site tracks in Flatbush, where the median building has 35. HPD lists 4 open violations here, about one for every 6 apartments — below the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 43 violations on record at the address, 19 are class C — HPD's immediately hazardous grade, and 1 of them is still open. Tenants have filed 81 HPD complaints at the address, 1 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11210 |
| Year built | 1931 |
| Apartments | 24 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3052210064 |
Owner & management
| Owner | 2121 FOSTER LLC 57 FIFTH AVE #NY · BROOKLYN, NY 11217 |
| Managing agent | ISMAEL RIOJA |
Building conditions
| HPD violations | 4 open / 43 total |
| HPD complaints | 0 open / 81 total |
| HPD registration last filed | August 28, 2025 |
Full building report — $9
Frequently asked questions
Is 2121 Foster Ave rent stabilized?
2121 Foster Ave 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 2121 Foster Ave?
2121 Foster Ave (BBL 3052210064) has about 24 residential apartments and was built in 1931, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.