Is 543 E 21st St rent stabilized?
543 E 21st St is a registered NYC rent-stabilized building in Flatbush, Brooklyn (11226). It has about 59 apartments, built in 1931.
Also written as 543 East 21st Street — or 543 E 21st St, Brooklyn, NY 11226.
How this building compares
With about 59 apartments it is larger than 77% of the 564 rent-stabilized buildings this site tracks in Flatbush. HPD lists 79 open violations here, about 1.3 per apartment — above the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 882 violations on record at the address, 310 are class C — HPD's immediately hazardous grade, and 45 of them are still open. HPD issued 134 new violations at the address in the last twelve months. Tenants have filed 912 HPD complaints at the address, 64 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Flatbush |
| ZIP | 11226 |
| Year built | 1931 |
| Apartments | 59 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3051850064 |
Owner & management
| Owner | 543 EQUITIES LLC 505 THORNALL STREET #403 · EDISON, NJ 08837 |
| Managing agent | SHAMCO MANAGEMENT CORP |
Building conditions
| HPD violations | 79 open / 882 total · 134 in last 12 mo |
| HPD complaints | 2 open / 912 total |
| HPD registration last filed | September 5, 2025 |
Full building report — $9
Frequently asked questions
Is 543 E 21st St rent stabilized?
543 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 code is MULTIPLE DWELLING A. 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 543 E 21st St?
543 E 21st St (BBL 3051850064) has about 59 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.