Is 421 W 56th St rent stabilized?
421 W 56th St is a registered NYC rent-stabilized building in Hell's Kitchen, Manhattan (10019). It has about 20 apartments, built in 1910.
Also written as 421 West 56th Street — or 421 W 56th St, Manhattan, NY 10019.
How this building compares
With about 20 apartments it sits near the middle of the 552 rent-stabilized buildings this site tracks in Hell's Kitchen, where the median building has 16. Its 1910 construction date sits close to the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists 1 open violation here, about one for every 20 apartments — below the one for every 3 apartments median for tracked buildings in the neighborhood. Of the 9 violations on record at the address, 1 is class C — HPD's immediately hazardous grade. Tenants have filed 17 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Hell's Kitchen |
| ZIP | 10019 |
| Year built | 1910 |
| Apartments | 20 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1010660020 |
Owner & management
| Owner | 421 WEST 56TH LLC 111 N CENTRAL PARK AVE #400 · HARTSDALE, NY 10530 |
| Managing agent | WEST 56TH LLC |
Building conditions
| HPD violations | 1 open / 9 total |
| HPD complaints | 0 open / 17 total |
| HPD registration last filed | September 11, 2025 |