Is 343 56th St rent stabilized?
343 56th St is a registered NYC rent-stabilized building in Sunset Park (West), Brooklyn (11220). It has about 6 apartments, built in 1915.
Also written as 343 56th Street — or 343 56th St, Brooklyn, NY 11220.
How this building compares
With about 6 apartments it sits near the middle of the 532 rent-stabilized buildings this site tracks in Sunset Park (West), where the median building has 6. Its 1915 construction date sits close to the 1924 median for stabilized buildings tracked in the neighborhood. HPD lists 72 open violations here, about 12.0 per apartment — above the 0.5 per apartment median for tracked buildings in the neighborhood. Of the 86 violations on record at the address, 9 are class C — HPD's immediately hazardous grade. Tenants have filed 24 HPD complaints at the address, 4 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Sunset Park (West) |
| ZIP | 11220 |
| Year built | 1915 |
| Apartments | 6 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3008300057 |
Owner & management
| Owner | 343 56TH RENTALS LLc 343 56Th · BROOKLYn, NY 11220 |
| Managing agent | 343 56TH RENTALS LLc |
Building conditions
| HPD violations | 72 open / 86 total · 27 in last 12 mo |
| HPD complaints | 0 open / 24 total |
| HPD registration last filed | August 26, 2025 |
Full building report — $9
Other rent-stabilized buildings in Sunset Park (West)
See all in Sunset Park (West) →