Is 51 5th Ave rent stabilized?
51 5th Ave is a registered NYC rent-stabilized building in Park Slope, Brooklyn (11217). It has about 6 apartments, built in 1920.
Also written as 51 5th Avenue — or 51 5th Ave, Brooklyn, NY 11217.
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. HPD lists 5 open violations here, about 0.8 per apartment — above the one for every 4 apartments median for tracked buildings in the neighborhood. Of the 34 violations on record at the address, 13 are class C — HPD's immediately hazardous grade, and 4 of them are still open. Tenants have filed 40 HPD complaints at the address, 1 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Park Slope |
| ZIP | 11217 |
| Year built | 1920 |
| Apartments | 6 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3009330008 |
Owner & management
| Owner | 51 5th Owner LLC 401 Park Avenue South #830 · New York, NY 10016 |
| Managing agent | Apex Management Group |
Building conditions
| HPD violations | 5 open / 34 total |
| HPD complaints | 0 open / 40 total |
| HPD registration last filed | September 11, 2025 |
Full building report — $9
Frequently asked questions
Is 51 5th Ave rent stabilized?
51 5th 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 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 51 5th Ave?
51 5th Ave (BBL 3009330008) has about 6 residential apartments and was built in 1920, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.