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. Its 1931 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. 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. 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 |