Is 433 W 21st St rent stabilized?
433 W 21st St is a registered NYC rent-stabilized building in Chelsea-Hudson Yards, Manhattan (10011). It has about 69 apartments, built in 1930.
Also written as 433 West 21st Street — or 433 W 21st St, Manhattan, NY 10011.
How this building compares
With about 69 apartments it is larger than 85% of the 490 rent-stabilized buildings this site tracks in Chelsea-Hudson Yards. It went up in 1930, 20 years after the 1910 median for stabilized buildings tracked in the neighborhood. HPD lists 40 open violations here, about 0.6 per apartment — above the one for every 6 apartments median for tracked buildings in the neighborhood. Of the 100 violations on record at the address, 24 are class C — HPD's immediately hazardous grade. Tenants have filed 159 HPD complaints at the address, 30 of them in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Chelsea-Hudson Yards |
| ZIP | 10011 |
| Year built | 1930 |
| Apartments | 69 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1007190020 |
Owner & management
| Owner | 433 WEST ASSOCIATES, LCC 400 W 59TH STREET · NEW YORK, NY 10019 |
| Managing agent | URBAN ASSOCIATES LLC |
Building conditions
| HPD violations | 40 open / 100 total · 48 in last 12 mo |
| HPD complaints | 0 open / 159 total |
| HPD registration last filed | October 7, 2025 |
Full building report — $9
Other rent-stabilized buildings in Chelsea-Hudson Yards
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