Is 421 Bay Ridge Ave rent stabilized?
421 Bay Ridge Ave is a registered NYC rent-stabilized building in Bay Ridge, Brooklyn (11220). It has about 6 apartments, built in 1931.
Also written as 421 Bay Ridge Avenue — or 421 Bay Ridge Ave, Brooklyn, NY 11220.
How this building compares
With about 6 apartments it sits near the middle of the 692 rent-stabilized buildings this site tracks in Bay Ridge, where the median building has 7. Its 1931 construction date sits close to the 1928 median for stabilized buildings tracked in the neighborhood. HPD lists 1 open violation here, about one for every 6 apartments — below the one for every 3 apartments median for tracked buildings in the neighborhood. Of the 8 violations on record at the address, 2 are class C — HPD's immediately hazardous grade. Tenants have filed 6 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Bay Ridge |
| ZIP | 11220 |
| Year built | 1931 |
| Apartments | 6 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3058640074 |
Owner & management
| Owner | PARASKEVI DELLAS 8310 11TH AVE · BROOKLYN, NY 11228 |
| Managing agent | NIKOLAOS DELLAS |
Building conditions
| HPD violations | 1 open / 8 total |
| HPD complaints | 0 open / 6 total |
| HPD registration last filed | August 19, 2025 |