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. HPD lists no open violations at this address — one of 212 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
Frequently asked questions
Is 421 E 77th St rent stabilized?
421 E 77th St in Upper East Side-Lenox Hill-Roosevelt Island, 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 421 E 77th St?
421 E 77th St (BBL 1014720009) has about 13 residential apartments and was built in 1910, 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 Upper East Side-Lenox Hill-Roosevelt Island
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