Is 1646 Madison Ave rent stabilized?
1646 Madison Ave is a registered NYC rent-stabilized building in East Harlem (South), Manhattan (10029). It has about 8 apartments, built in 1910.
Also written as 1646 Madison Avenue — or 1646 Madison Ave, Manhattan, NY 10029.
How this building compares
With about 8 apartments it is smaller than 71% of the 394 rent-stabilized buildings this site tracks in East Harlem (South). Its 1910 construction date sits close to the 1910 median for stabilized buildings tracked in the neighborhood. HPD lists 9 open violations here, about 1.1 per apartment — above the 0.5 per apartment median for tracked buildings in the neighborhood. Of the 17 violations on record at the address, 8 are class C — HPD's immediately hazardous grade. Tenants have filed 165 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | East Harlem (South) |
| ZIP | 10029 |
| Year built | 1910 |
| Apartments | 8 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1016150057 |
Owner & management
| Owner | MADISON AVE I LLC 9 PARK PLACE #1E · GREAT NECK, NY 11021 |
| Managing agent | RAFAEL SASSOUNI |
Building conditions
| HPD violations | 9 open / 17 total |
| HPD complaints | 0 open / 165 total |
| HPD registration last filed | August 28, 2025 |
Full building report — $9
Other rent-stabilized buildings in East Harlem (South)
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