Is 634 Saint Nicholas Ave rent stabilized?
634 Saint Nicholas Ave is a registered NYC rent-stabilized building in Hamilton Heights-Sugar Hill, Manhattan (10030). It has about 60 apartments, built in 1930.
Also written as 634 Saint Nicholas Avenue — or 634 Saint Nicholas Ave, Manhattan, NY 10030.
How this building compares
With about 60 apartments it is larger than 90% of the 517 rent-stabilized buildings this site tracks in Hamilton Heights-Sugar Hill. It went up in 1930, 20 years after the 1910 median for stabilized buildings tracked in the neighborhood. HPD lists 13 open violations here, about one for every 5 apartments — below the 0.9 per apartment median for tracked buildings in the neighborhood. Of the 146 violations on record at the address, 34 are class C — HPD's immediately hazardous grade. Tenants have filed 654 HPD complaints at the address, 26 of them in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Hamilton Heights-Sugar Hill |
| ZIP | 10030 |
| Year built | 1930 |
| Apartments | 60 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1020510020 |
Owner & management
| Owner | 634 NICK PARTNERS LP 111 N CENTRAL PARK AVE #400 · HARTSDALE, NY 10530 |
| Managing agent | MARK SCHARFMAN |
Building conditions
| HPD violations | 13 open / 146 total · 7 in last 12 mo |
| HPD complaints | 0 open / 654 total |
| HPD registration last filed | September 4, 2025 |
Full building report — $9
Other rent-stabilized buildings in Hamilton Heights-Sugar Hill
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