Is 521 E 81st St rent stabilized?
521 E 81st St is a registered NYC rent-stabilized building in Upper East Side-Yorkville, Manhattan (10028). It has about 20 apartments, built in 1910.
Also written as 521 East 81st Street — or 521 E 81st St, Manhattan, NY 10028.
How this building compares
With about 20 apartments it sits near the middle of the 822 rent-stabilized buildings this site tracks in Upper East Side-Yorkville, where the median building has 20. Its 1910 construction date sits close to the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists 1 open violation here, about one for every 20 apartments — below the one for every 9 apartments median for tracked buildings in the neighborhood. Of the 6 violations on record at the address, 2 are class C — HPD's immediately hazardous grade. Tenants have filed 16 HPD complaints at the address, 3 of them in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Upper East Side-Yorkville |
| ZIP | 10028 |
| Year built | 1910 |
| Apartments | 20 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A, NON-EVICT COOP/CONDO |
| BBL | 1015780013 |
Owner & management
| Owner | 519 EAST 81ST OWNERS CORP 408 WEST 57 STREET · NEW YORK CITY, NY 10016 |
| Managing agent | MARLBORO MGT CO INC |
Building conditions
| HPD violations | 1 open / 6 total · 2 in last 12 mo |
| HPD complaints | 0 open / 16 total |
| HPD registration last filed | February 12, 2026 |
Full building report — $9
Other rent-stabilized buildings in Upper East Side-Yorkville
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