Is 421 E 77th St rent stabilized?
421 E 77th St is a registered NYC rent-stabilized building in Upper East Side-Lenox Hill-Roosevelt Island, Manhattan (10021). It has about 13 apartments, built in 1910.
Also written as 421 East 77th Street — or 421 E 77th St, Manhattan, NY 10021.
How this building compares
With about 13 apartments it is smaller than 81% of the 626 rent-stabilized buildings this site tracks in Upper East Side-Lenox Hill-Roosevelt Island. Its 1910 construction date sits close to the 1910 median for stabilized buildings tracked in the neighborhood. HPD lists no open violations at this address — one of 211 such buildings among the 634 this site tracks in the neighborhood. Tenants have filed 3 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Upper East Side-Lenox Hill-Roosevelt Island |
| ZIP | 10021 |
| Year built | 1910 |
| Apartments | 13 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1014720009 |
Owner & management
| Owner | THE NETHERWORLD GROUP LLC 253-11 80TH AVE · GLEN OAKS, NY 11004 |
| Managing agent | JENNY MARTINOVIC |
Building conditions
| HPD violations | 0 open / 3 total |
| HPD complaints | 0 open / 3 total |
| HPD registration last filed | July 9, 2025 |
Full building report — $9
Other rent-stabilized buildings in Upper East Side-Lenox Hill-Roosevelt Island
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