Is 580 E 21st St rent stabilized?
580 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 64 apartments, built in 1961.
Also written as 580 East 21st Street — or 580 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 64 apartments it is larger than 83% of the 564 rent-stabilized buildings this site tracks in Flatbush. It went up in 1961, 30 years after the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 103 open violations here, about 1.6 per apartment — above the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 1,673 violations on record at the address, 307 are class C — HPD's immediately hazardous grade. Tenants have filed 1,590 HPD complaints at the address, 104 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1961 |
| Apartments | 64 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3051840041 |
Owner & management
| Owner | 580 E 21ST ST LLC 303 BEVERLY RD #PR2 · BROOKLYN, NY 11218 |
| Managing agent | J.K MGMT CORP |
Building conditions
| HPD violations | 103 open / 1673 total · 118 in last 12 mo |
| HPD complaints | 9 open / 1590 total |
| HPD registration last filed | August 11, 2025 |