Is 171 W 23rd St rent stabilized?
171 W 23rd St is a registered NYC rent-stabilized building in Chelsea-Hudson Yards, Manhattan (10011). It has about 9 apartments, built in 1950.
Also written as 171 West 23rd Street — or 171 W 23rd St, Manhattan, NY 10011.
How this building compares
With about 9 apartments it is smaller than 81% of the 490 rent-stabilized buildings this site tracks in Chelsea-Hudson Yards. It went up in 1950, 40 years after the 1910 median for stabilized buildings tracked in the neighborhood. HPD lists 16 open violations here, about 1.8 per apartment — above the one for every 7 apartments median for tracked buildings in the neighborhood. Of the 48 violations on record at the address, 20 are class C — HPD's immediately hazardous grade, and 5 of them are still open. HPD issued 16 new violations at the address in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Chelsea-Hudson Yards |
| ZIP | 10011 |
| Year built | 1950 |
| Apartments | 9 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1007990001 |
Owner & management
| Owner | 23RD WEST ASSOCIATES LLC 109 SPENCER PLACE · Mamaroneck, NY 10543 |
| Managing agent | RAQUEL CONCEPCION |
Building conditions
| HPD violations | 16 open / 48 total · 16 in last 12 mo |
| HPD complaints | 0 open / 65 total |
| HPD registration last filed | November 1, 2025 |
Full building report — $9
Frequently asked questions
Is 171 W 23rd St rent stabilized?
171 W 23rd 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 171 W 23rd St?
171 W 23rd St (BBL 1007990001) has about 9 residential apartments and was built in 1950, 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 →