Is 509 8th Ave rent stabilized?
509 8th Ave is a registered NYC rent-stabilized building in Park Slope, Brooklyn (11215). It has about 7 apartments, built in 1910.
Also written as 509 8th Avenue — or 509 8th Ave, Brooklyn, NY 11215.
How this building compares
With about 7 apartments it is smaller than 70% of the 623 rent-stabilized buildings this site tracks in Park Slope. Its 1910 construction date sits close to the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists 9 open violations here, about 1.3 per apartment — above the one for every 4 apartments median for tracked buildings in the neighborhood. Of the 27 violations on record at the address, 1 is class C — HPD's immediately hazardous grade, and it is no longer open. HPD issued 1 new violation at the address in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Park Slope |
| ZIP | 11215 |
| Year built | 1910 |
| Apartments | 7 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING B |
| BBL | 3010850006 |
Owner & management
| Owner | PHILLIPPE, LLC 509 8TH AVENUE · Brooklyn, NY 11215 |
| Managing agent | DOWNTOWN PROPERTY GROUP LLC |
Building conditions
| HPD violations | 9 open / 27 total · 1 in last 12 mo |
| HPD complaints | 0 open / 24 total |
| HPD registration last filed | October 31, 2025 |
Full building report — $9
Frequently asked questions
Is 509 8th Ave rent stabilized?
509 8th Ave in Park Slope, 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 8th Ave?
509 8th Ave (BBL 3010850006) has about 7 residential apartments and was built in 1910, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.