Is 309 W 21st St rent stabilized?
309 W 21st St is a registered NYC rent-stabilized building in Chelsea-Hudson Yards, Manhattan (10011). It has about 16 apartments, built in 1900.
Also written as 309 West 21st Street — or 309 W 21st St, Manhattan, NY 10011.
How this building compares
With about 16 apartments it sits near the middle of the 490 rent-stabilized buildings this site tracks in Chelsea-Hudson Yards, where the median building has 18. Its 1900 construction date sits close to the 1910 median for stabilized buildings tracked in the neighborhood. HPD lists 54 open violations here, about 3.4 per apartment — above the one for every 7 apartments median for tracked buildings in the neighborhood. Of the 157 violations on record at the address, 32 are class C — HPD's immediately hazardous grade, and 7 of them are still open. HPD issued 9 new violations at the address in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Chelsea-Hudson Yards |
| ZIP | 10011 |
| Year built | 1900 |
| Apartments | 16 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING B |
| BBL | 1007450029 |
Owner & management
| Owner | 309WEST 21ST STREET ASSOC. LLC 1515 LEXINGTON AVE #1A · New York, NY 10029 |
| Managing agent | 309 WEST @!ST ASSOC. LLC |
Building conditions
| HPD violations | 54 open / 157 total · 9 in last 12 mo |
| HPD complaints | 10 open / 259 total |
| HPD registration last filed | August 27, 2025 |
Full building report — $9
Frequently asked questions
Is 309 W 21st St rent stabilized?
309 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 B. 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 309 W 21st St?
309 W 21st St (BBL 1007450029) has about 16 residential apartments and was built in 1900, 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 →