Is 598 To 600 E 21st St rent stabilized?
598 To 600 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 60 apartments, built in 1931.
Also written as 598 To 600 East 21st Street — or 598 To 600 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 60 apartments it is larger than 79% of the 564 rent-stabilized buildings this site tracks in Flatbush. Its 1931 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists 11 open violations here, about one for every 5 apartments — below the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 290 violations on record at the address, 65 are class C — HPD's immediately hazardous grade. Tenants have filed 602 HPD complaints at the address, 14 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1931 |
| Apartments | 60 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A, GARDEN COMPLEX |
| BBL | 3052060017 |
Owner & management
| Owner | 600 EAST 21 STREET, LLC 3441 KINGSBRIDGE AVENUE #2ND FL · BRONX, NY 10463 |
| Managing agent | PROTO PROPERTY SERVICES, LLC |
Building conditions
| HPD violations | 11 open / 290 total · 7 in last 12 mo |
| HPD complaints | 0 open / 602 total |
| HPD registration last filed | December 22, 2025 |