Is 21 E 104th St rent stabilized?
21 E 104th St is a registered NYC rent-stabilized building in East Harlem (South), Manhattan (10029). It has about 32 apartments, built in 1930.
Also written as 21 East 104th Street — or 21 E 104th St, Manhattan, NY 10029.
How this building compares
With about 32 apartments it is larger than 82% of the 394 rent-stabilized buildings this site tracks in East Harlem (South). It went up in 1930, 20 years after the 1910 median for stabilized buildings tracked in the neighborhood. HPD lists 17 open violations here, about 0.5 per apartment — matching the median for tracked buildings in the neighborhood. Of the 415 violations on record at the address, 93 are class C — HPD's immediately hazardous grade. Tenants have filed 629 HPD complaints at the address, 20 of them in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | East Harlem (South) |
| ZIP | 10029 |
| Year built | 1930 |
| Apartments | 32 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1016100009 |
Owner & management
| Owner | ASCENDANT HERITAGE LLC 421 EAST 116TH ST · NEW YORK, NY 10029 |
| Managing agent | CONCORD MANAGEMENT OF NY LLC |
Building conditions
| HPD violations | 17 open / 415 total · 46 in last 12 mo |
| HPD complaints | 0 open / 629 total |
| HPD registration last filed | September 10, 2025 |
Full building report — $9
Other rent-stabilized buildings in East Harlem (South)
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