Is 321 86th St rent stabilized?
321 86th St is a registered NYC rent-stabilized building in Bay Ridge, Brooklyn (11209). It has about 30 apartments, built in 1924.
Also written as 321 86th Street — or 321 86th St, Brooklyn, NY 11209.
How this building compares
With about 30 apartments it is larger than 71% of the 692 rent-stabilized buildings this site tracks in Bay Ridge. Its 1924 construction date sits close to the 1928 median for stabilized buildings tracked in the neighborhood. HPD lists 87 open violations here, about 2.9 per apartment — above the one for every 3 apartments median for tracked buildings in the neighborhood. Of the 488 violations on record at the address, 105 are class C — HPD's immediately hazardous grade. Tenants have filed 631 HPD complaints at the address, 112 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Bay Ridge |
| ZIP | 11209 |
| Year built | 1924 |
| Apartments | 30 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3060340076 |
Owner & management
| Owner | PROTI REALTY LLC 6925 6TH AVENUE · Brooklyn, NY 11209 |
| Managing agent | PROTI REALTY LLC |
Building conditions
| HPD violations | 87 open / 488 total · 10 in last 12 mo |
| HPD complaints | 3 open / 631 total |
| HPD registration last filed | July 8, 2025 |