Is 439 W 21st St rent stabilized?
439 W 21st St is a registered NYC rent-stabilized building in Chelsea-Hudson Yards, Manhattan (10011). It has about 8 apartments, built in 1853.
Also written as 439 West 21st Street — or 439 W 21st St, Manhattan, NY 10011.
How this building compares
With about 8 apartments it is smaller than 84% of the 490 rent-stabilized buildings this site tracks in Chelsea-Hudson Yards. It went up in 1853, 57 years before the 1910 median for stabilized buildings tracked in the neighborhood. HPD lists 1 open violation here, about one for every 8 apartments — close to the one for every 7 apartments median for tracked buildings in the neighborhood. HPD issued 1 new violation at the address in the last twelve months. Tenants have filed 12 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 | 1853 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1007190019 |
Owner & management
| Owner | High Line 21 Corp 80 business park drive #100 · Armonk, NY 10504 |
| Managing agent | UBIQ NY LTD |
Building conditions
| HPD violations | 1 open / 10 total · 1 in last 12 mo |
| HPD complaints | 0 open / 12 total |
| HPD registration last filed | February 17, 2026 |
Full building report — $9
Frequently asked questions
Is 439 W 21st St rent stabilized?
439 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 439 W 21st St?
439 W 21st St (BBL 1007190019) has about 8 residential apartments and was built in 1853, 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 →