Is 636 E 21st St rent stabilized?
636 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 24 apartments, built in 1931.
Also written as 636 East 21st Street — or 636 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 24 apartments it sits near the middle of the 564 rent-stabilized buildings this site tracks in Flatbush, where the median building has 35. Its 1931 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 9 open violations here, about one for every 3 apartments — below the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 221 violations on record at the address, 33 are class C — HPD's immediately hazardous grade. Tenants have filed 293 HPD complaints at the address, 12 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1931 |
| Apartments | 24 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3052060031 |
Owner & management
| Owner | SUGAREE LLC 1330 EASTERN PARKWAY #6A · Brooklyn, NY 11233 |
| Managing agent | THOMAS FORDE |
Building conditions
| HPD violations | 9 open / 221 total · 5 in last 12 mo |
| HPD complaints | 0 open / 293 total |
| HPD registration last filed | August 24, 2025 |