Is 509 79th St rent stabilized?
509 79th St is a registered NYC rent-stabilized building in Bay Ridge, Brooklyn (11209). It has about 12 apartments, built in 1925.
Also written as 509 79th Street — or 509 79th St, Brooklyn, NY 11209.
How this building compares
With about 12 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 1925 construction date sits close to the 1928 median for stabilized buildings tracked in the neighborhood. HPD lists 38 open violations here, about 3.2 per apartment — above the one for every 3 apartments median for tracked buildings in the neighborhood. Of the 60 violations on record at the address, 17 are class C — HPD's immediately hazardous grade. Tenants have filed 96 HPD complaints at the address, 2 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Bay Ridge |
| ZIP | 11209 |
| Year built | 1925 |
| Apartments | 12 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3059710001 |
Owner & management
| Owner | 509 79TH STREET REALTY LLC 7823 5TH AVENUE · BROOKLYN, NY 11209 |
| Managing agent | PETER TSOROROS |
Building conditions
| HPD violations | 38 open / 60 total · 1 in last 12 mo |
| HPD complaints | 0 open / 96 total |
| HPD registration last filed | July 24, 2025 |