Is 401 4th Ave rent stabilized?
401 4th Ave is a registered NYC rent-stabilized building in Park Slope, Brooklyn (11215). It has about 6 apartments, built in 1931.
Also written as 401 4th Avenue — or 401 4th Ave, 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. Its 1931 construction date sits close to the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists no open violations at this address — one of 206 such buildings among the 624 this site tracks in the neighborhood. Tenants have filed 5 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Park Slope |
| ZIP | 11215 |
| Year built | 1931 |
| Apartments | 6 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3009930002 |
Owner & management
| Owner | HG Building Blocks LLC 334 East 35th St. · Brooklyn, NY 11203 |
| Managing agent | Brownstone Management LLC |
Building conditions
| HPD complaints | 0 open / 5 total |
| HPD registration last filed | July 9, 2025 |
Full building report — $9
Frequently asked questions
Is 401 4th Ave rent stabilized?
401 4th 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 401 4th Ave?
401 4th Ave (BBL 3009930002) has about 6 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.