Is 15a W 64th St rent stabilized?
15a W 64th St is a registered NYC rent-stabilized building in Upper West Side-Lincoln Square, Manhattan (10023). It has about 20 apartments, built in 1910.
Also written as 15a West 64th Street — or 15a W 64th St, Manhattan, NY 10023.
How this building compares
With about 20 apartments it is larger than 60% of the 407 rent-stabilized buildings this site tracks in Upper West Side-Lincoln Square. It went up in 1910, 16 years after the 1894 median for stabilized buildings tracked in the neighborhood. HPD lists 35 open violations here, about 1.8 per apartment — above the one for every 10 apartments median for tracked buildings in the neighborhood. Of the 50 violations on record at the address, 15 are class C — HPD's immediately hazardous grade, and 10 of them are still open. Tenants have filed 107 HPD complaints at the address, 3 of them in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Upper West Side-Lincoln Square |
| ZIP | 10023 |
| Year built | 1910 |
| Apartments | 20 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1011170023 |
Owner & management
| Owner | NYC 6400 HOLDING LLC 507 W 186 STREET #A4 · NEW YORK, NY 10033 |
| Managing agent | NYC 6400 HOLDINGS LLC |
Building conditions
| HPD violations | 35 open / 50 total |
| HPD complaints | 0 open / 107 total |
| HPD registration last filed | October 20, 2025 |
Full building report — $9
Frequently asked questions
Is 15a W 64th St rent stabilized?
15a W 64th St in Upper West Side-Lincoln Square, 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 15a W 64th St?
15a W 64th St (BBL 1011170023) has about 20 residential apartments and was built in 1910, 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 Upper West Side-Lincoln Square
See all in Upper West Side-Lincoln Square →