Is 623 W End Ave rent stabilized?
623 W End Ave is a registered NYC rent-stabilized building in Upper West Side (Central), Manhattan (10024). It has about 10 apartments, built in 1899.
Also written as 623 West End Avenue — or 623 W End Ave, Manhattan, NY 10024.
How this building compares
With about 10 apartments it sits near the middle of the 1,075 rent-stabilized buildings this site tracks in Upper West Side (Central), where the median building has 12. Its 1899 construction date sits close to the 1897 median for stabilized buildings tracked in the neighborhood. HPD lists 13 open violations here, about 1.3 per apartment — above the one for every 9 apartments median for tracked buildings in the neighborhood. Of the 18 violations on record at the address, 3 are class C — HPD's immediately hazardous grade, and none of them are still open. HPD issued 1 new violation at the address in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Upper West Side (Central) |
| ZIP | 10024 |
| Year built | 1899 |
| Apartments | 10 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1012510118 |
Owner & management
| Owner | KALLISTA REALTY CO II LLC 82-55 212 STREET · ALBERTSON, NY 11507 |
| Managing agent | PETER TAKVORIAN |
Building conditions
| HPD violations | 13 open / 18 total · 1 in last 12 mo |
| HPD complaints | 0 open / 48 total |
| HPD registration last filed | September 2, 2025 |
Full building report — $9
Frequently asked questions
Is 623 W End Ave rent stabilized?
623 W End Ave in Upper West Side (Central), 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 623 W End Ave?
623 W End Ave (BBL 1012510118) has about 10 residential apartments and was built in 1899, 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 (Central)
See all in Upper West Side (Central) →