Is 343 5th Ave rent stabilized?
343 5th Ave is a registered NYC rent-stabilized building in Park Slope, Brooklyn (11215). It has about 8 apartments, built in 1920.
Also written as 343 5th Avenue — or 343 5th Ave, Brooklyn, NY 11215.
View 343 5th Ave on the map →Building details
| Borough | Brooklyn |
| Neighborhood | Park Slope |
| ZIP | 11215 |
| Year built | 1920 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3009850006 |
Owner & management
| Owner | ZJ REALTY OWNERS CORP 448 8TH STREET · BROOKLYN, NY 11215 |
| Managing agent | 448 MANAGEMENT LLC |
Building conditions
| HPD violations | 0 open / 2 total |
| HPD complaints | 0 open / 1 total |
| HPD registration last filed | October 23, 2025 |
Frequently asked questions
Is 343 5th Ave rent stabilized?
343 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 343 5th Ave?
343 5th Ave (BBL 3009850006) has about 8 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.