Is 644 Riverside Dr rent stabilized?
644 Riverside Dr is a registered NYC rent-stabilized building in Hamilton Heights-Sugar Hill, Manhattan (10031). It has about 98 apartments, built in 1914.
Also written as 644 Riverside Drive — or 644 Riverside Dr, Manhattan, NY 10031.
How this building compares
With about 98 apartments it is larger than 98% of the 517 rent-stabilized buildings this site tracks in Hamilton Heights-Sugar Hill. Its 1914 construction date sits close to the 1910 median for stabilized buildings tracked in the neighborhood. HPD lists 28 open violations here, about one for every 4 apartments — below the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 935 violations on record at the address, 237 are class C — HPD's immediately hazardous grade, and 11 of them are still open. HPD issued 3 new violations at the address in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Hamilton Heights-Sugar Hill |
| ZIP | 10031 |
| Year built | 1914 |
| Apartments | 98 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1020880114 |
Owner & management
| Owner | 644 RIVERSIDE HDFC 1328 NEW YORK AVENUE ## · Huntington, NY 11746 |
| Managing agent | CONCORD MANAGEMENT OF NY, LLC |
Building conditions
| HPD violations | 28 open / 935 total · 3 in last 12 mo |
| HPD complaints | 2 open / 4323 total |
| HPD registration last filed | October 9, 2025 |
Full building report — $9
Frequently asked questions
Is 644 Riverside Dr rent stabilized?
644 Riverside Dr in Hamilton Heights-Sugar Hill, 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 644 Riverside Dr?
644 Riverside Dr (BBL 1020880114) has about 98 residential apartments and was built in 1914, 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 Hamilton Heights-Sugar Hill
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