Is 509 72nd St rent stabilized?
509 72nd St is a registered NYC rent-stabilized building in Bay Ridge, Brooklyn (11209). It has about 6 apartments, built in 1907.
Also written as 509 72nd Street — or 509 72nd St, Brooklyn, NY 11209.
How this building compares
With about 6 apartments it sits near the middle of the 692 rent-stabilized buildings this site tracks in Bay Ridge, where the median building has 7. It went up in 1907, 21 years before the 1928 median for stabilized buildings tracked in the neighborhood. HPD lists 5 open violations here, about 0.8 per apartment — above the one for every 2 apartments median for tracked buildings in the neighborhood. Of the 87 violations on record at the address, 16 are class C — HPD's immediately hazardous grade, and 4 of them are still open. Tenants have filed 37 HPD complaints at the address, 1 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Bay Ridge |
| ZIP | 11209 |
| Year built | 1907 |
| Apartments | 6 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING B |
| BBL | 3058930001 |
Owner & management
| Owner | ALRASSI REALTY LLC 8515 COLONIAL RD · Brooklyn, NY 11209 |
| Managing agent | ALRASSI REALTY LLC |
Building conditions
| HPD violations | 5 open / 87 total |
| HPD complaints | 0 open / 37 total |
| HPD registration last filed | July 25, 2025 |
Full building report — $9
Frequently asked questions
Is 509 72nd St rent stabilized?
509 72nd St in Bay Ridge, Brooklyn is registered as rent stabilized in the New York State DHCR 2024 rent-stabilized building files, where its stabilization code is MULTIPLE DWELLING B. 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 509 72nd St?
509 72nd St (BBL 3058930001) has about 6 residential apartments and was built in 1907, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.