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. 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, and 8 of them are still open. HPD issued 7 new violations at the address in the last twelve months. Tenants have filed 603 HPD complaints at the address, 15 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 | 1 open / 603 total |
| HPD registration last filed | December 22, 2025 |
Full building report — $9
Frequently asked questions
Is 598 To 600 E 21st St rent stabilized?
598 To 600 E 21st St in Flatbush, Brooklyn is registered as rent stabilized in the New York State DHCR 2024 rent-stabilized building files, where its stabilization codes are MULTIPLE DWELLING A and GARDEN COMPLEX. Registration is recorded for the building, not for each apartment in it, so an individual unit here can still have been deregulated — ask the landlord or DHCR for that apartment's rent history before relying on it.
How many apartments are at 598 To 600 E 21st St?
598 To 600 E 21st St (BBL 3052060017) has about 60 residential apartments and was built in 1931, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.