Is 421 W 43rd St rent stabilized?
421 W 43rd St is a registered NYC rent-stabilized building in Hell's Kitchen, Manhattan (10036). It has about 17 apartments, built in 1910.
Also written as 421 West 43rd Street — or 421 W 43rd St, Manhattan, NY 10036.
How this building compares
With about 17 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 2 open violations here, about one for every 8 apartments — below the one for every 3 apartments median for tracked buildings in the neighborhood. Of the 30 violations on record at the address, 3 are class C — HPD's immediately hazardous grade. Tenants have filed 1,130 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Hell's Kitchen |
| ZIP | 10036 |
| Year built | 1910 |
| Apartments | 17 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1010530022 |
Owner & management
| Owner | NINTH AVENUE REALTY LLC 111 N CENTRAL PARK AVE #400 · HARTSDALE, NY 10530 |
| Managing agent | NINTH AVENUE REALTY LLC |
Building conditions
| HPD violations | 2 open / 30 total |
| HPD complaints | 1 open / 1130 total |
| HPD registration last filed | September 11, 2025 |