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 7 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, and 5 of them are still open. HPD issued 48 new violations at the address 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
Frequently asked questions
Is 433 W 21st St rent stabilized?
433 W 21st St in Chelsea-Hudson Yards, Manhattan is registered as rent stabilized in the New York State DHCR 2024 rent-stabilized building files, where its stabilization code is MULTIPLE DWELLING A. Registration is recorded for the building, not for each apartment in it, so an individual unit here can still have been deregulated — ask the landlord or DHCR for that apartment's rent history before relying on it.
How many apartments are at 433 W 21st St?
433 W 21st St (BBL 1007190020) has about 69 residential apartments and was built in 1930, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.
Other rent-stabilized buildings in Chelsea-Hudson Yards
See all in Chelsea-Hudson Yards →