Is 427 Dean St rent stabilized?
427 Dean St is a registered NYC rent-stabilized building in Park Slope, Brooklyn (11217). It has about 17 apartments, built in 1920.
Also written as 427 Dean Street — or 427 Dean St, Brooklyn, NY 11217.
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. Its 1920 construction date sits close to the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists 25 open violations here, about 1.5 per apartment — above the one for every 4 apartments median for tracked buildings in the neighborhood. Of the 293 violations on record at the address, 81 are class C — HPD's immediately hazardous grade. Tenants have filed 333 HPD complaints at the address, 29 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Park Slope |
| ZIP | 11217 |
| Year built | 1920 |
| Apartments | 17 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3009280051 |
Owner & management
| Owner | 5529-427-433 DEAN STREET BROOKLYN LLC 28-30 WEST 22ND STREET #5TH FL · New York, NY 10010 |
| Managing agent | AKELIUS REAL ESTATE MANAGEMENT LLC |
Building conditions
| HPD violations | 25 open / 293 total · 8 in last 12 mo |
| HPD complaints | 0 open / 333 total |
| HPD registration last filed | February 11, 2026 |