Is 439 9th St rent stabilized?
439 9th St is a registered NYC rent-stabilized building in Park Slope, Brooklyn (11215). It has about 6 apartments, built in 1881.
Also written as 439 9th Street — or 439 9th St, Brooklyn, NY 11215.
How this building compares
With about 6 apartments it is smaller than 75% of the 623 rent-stabilized buildings this site tracks in Park Slope. It went up in 1881, 39 years before the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists 45 open violations here, about 7.5 per apartment — above the one for every 4 apartments median for tracked buildings in the neighborhood. Of the 74 violations on record at the address, 16 are class C — HPD's immediately hazardous grade, and 6 of them are still 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 | 1881 |
| Apartments | 6 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3010900074 |
Owner & management
| Owner | 439 9TH STREET LLC 1068 BAY RIDGE PARKWAY · Brooklyn, NY 11228 |
| Managing agent | 439 9TH STREET LLC. |
Building conditions
| HPD violations | 45 open / 74 total · 1 in last 12 mo |
| HPD complaints | 0 open / 92 total |
| HPD registration last filed | September 29, 2025 |
Full building report — $9
Frequently asked questions
Is 439 9th St rent stabilized?
439 9th St 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 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 439 9th St?
439 9th St (BBL 3010900074) has about 6 residential apartments and was built in 1881, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.