Is 315 W 21st St rent stabilized?
315 W 21st St is a registered NYC rent-stabilized building in Chelsea-Hudson Yards, Manhattan (10011). It has about 35 apartments, built in 1938.
Also written as 315 West 21st Street — or 315 W 21st St, Manhattan, NY 10011.
How this building compares
With about 35 apartments it is larger than 74% of the 490 rent-stabilized buildings this site tracks in Chelsea-Hudson Yards. It went up in 1938, 28 years after the 1910 median for stabilized buildings tracked in the neighborhood. HPD lists no open violations at this address — one of 141 such buildings among the 500 this site tracks in the neighborhood. Of the 43 violations on record at the address, 1 is class C — HPD's immediately hazardous grade. Tenants have filed 328 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Chelsea-Hudson Yards |
| ZIP | 10011 |
| Year built | 1938 |
| Apartments | 35 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1007450026 |
Owner & management
| Owner | Ismo 9 LLC 224 west 35th street #11th f · New York, NY 10001 |
| Managing agent | sean piroozian |
Building conditions
| HPD violations | 0 open / 43 total |
| HPD complaints | 0 open / 328 total |
| HPD registration last filed | April 16, 2026 |
Full building report — $9
Other rent-stabilized buildings in Chelsea-Hudson Yards
See all in Chelsea-Hudson Yards →