Is 55 Saint Marks Ave rent stabilized?
55 Saint Marks Ave is a registered NYC rent-stabilized building in Park Slope, Brooklyn (11217). It has about 9 apartments, built in 1880.
Also written as 55 Saint Marks Avenue — or 55 Saint Marks Ave, Brooklyn, NY 11217.
How this building compares
With about 9 apartments it is larger than 67% of the 623 rent-stabilized buildings this site tracks in Park Slope. It went up in 1880, 40 years before the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists 11 open violations here, about 1.2 per apartment — above the one for every 4 apartments median for tracked buildings in the neighborhood. Of the 21 violations on record at the address, 4 are class C — HPD's immediately hazardous grade. Tenants have filed 3 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Park Slope |
| ZIP | 11217 |
| Year built | 1880 |
| Apartments | 9 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING B, ROOMING HOUSE |
| BBL | 3009330050 |
Owner & management
| Owner | 55 SAINT MARKS AVENUE LLC 55 SAINT MARKS AVE · BROOKLYN, NY 11217 |
| Managing agent | BBI REALTY LLC |
Building conditions
| HPD violations | 11 open / 21 total |
| HPD complaints | 0 open / 3 total |
| HPD registration last filed | August 5, 2025 |