Is 434 E 89th St rent stabilized?
434 E 89th St is a registered NYC rent-stabilized building in Upper East Side-Yorkville, Manhattan (10128). It has about 20 apartments, built in 1930.
Also written as 434 East 89th Street — or 434 E 89th St, Manhattan, NY 10128.
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 1930 construction date sits close to the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists 2 open violations here, about one for every 10 apartments — close to the one for every 9 apartments median for tracked buildings in the neighborhood. Of the 4 violations on record at the address, 1 is class C — HPD's immediately hazardous grade. Tenants have filed 8 HPD complaints at the address, 2 of them in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Upper East Side-Yorkville |
| ZIP | 10128 |
| Year built | 1930 |
| Apartments | 20 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1015680033 |
Owner & management
| Owner | 432-434 EAST 89 REALTY LLC 511 EAST 78TH STREET #OFFICE · New York, NY 10075 |
| Managing agent | AHRON FREIDUS |
Building conditions
| HPD violations | 2 open / 4 total · 2 in last 12 mo |
| HPD complaints | 0 open / 8 total |
| HPD registration last filed | July 18, 2025 |
Full building report — $9
Other rent-stabilized buildings in Upper East Side-Yorkville
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