Is 400 6th Ave rent stabilized?
400 6th Ave is a registered NYC rent-stabilized building in Park Slope, Brooklyn (11215). It has about 17 apartments, built in 1905.
Also written as 400 6th Avenue — or 400 6th Ave, Brooklyn, NY 11215.
How this building compares
With about 17 apartments it is larger than 85% of the 623 rent-stabilized buildings this site tracks in Park Slope. It went up in 1905, 15 years before the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists 5 open violations here, about one for every 3 apartments — close to the one for every 4 apartments median for tracked buildings in the neighborhood. Of the 70 violations on record at the address, 34 are class C — HPD's immediately hazardous grade. Tenants have filed 70 HPD complaints at the address, 18 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Park Slope |
| ZIP | 11215 |
| Year built | 1905 |
| Apartments | 17 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3009990038 |
Owner & management
| Owner | GH 400 6 AVE FEE LLC 625 BROADWAY #11TH F · New York, NY 10012 |
| Managing agent | FREESTONE PROPERTY GROUP LLC |
Building conditions
| HPD violations | 5 open / 70 total · 15 in last 12 mo |
| HPD complaints | 0 open / 70 total |
| HPD registration last filed | March 6, 2026 |