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Is 434 E 75th St rent stabilized?

434 E 75th St is a registered NYC rent-stabilized building in Upper East Side-Lenox Hill-Roosevelt Island, Manhattan (10021). It has about 20 apartments, built in 1910.

Also written as 434 East 75th Street — or 434 E 75th St, Manhattan, NY 10021.

How this building compares

HPD lists 10 open violations here, about 0.5 per apartment — above the one for every 10 apartments median for tracked buildings in Upper East Side-Lenox Hill-Roosevelt Island. Of the 15 violations on record at the address, 1 is class C — HPD's immediately hazardous grade, and it is no longer open. HPD issued 1 new violation at the address in the last twelve months. Tenants have filed 6 HPD complaints at the address, none of them in the last twelve months.

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Building details

BoroughManhattan
NeighborhoodUpper East Side-Lenox Hill-Roosevelt Island
ZIP10021
Year built1910
Apartments20
Rent-stabilizedYes — DHCR registered
Stabilization codeMULTIPLE DWELLING A
BBL1014690034

Owner & management

OwnerRUDOLF ALONZO
500 W 44 ST #OFFICE · New York, NY 10036
Managing agentNATALIE ALONZO

Building conditions

HPD violations10 open / 15 total · 1 in last 12 mo
HPD complaints0 open / 6 total
HPD registration last filedOctober 6, 2025

Full building report — $9

📄 Get the full building report — $9. How this building's violation record compares citywide, who owns it and what else they own, and a pre-filled DHCR rent-history request. One-time, no account needed. The report also states plainly what the data cannot tell you. Get the report for 434 E 75th St →

Frequently asked questions

Is 434 E 75th St rent stabilized?

434 E 75th 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 434 E 75th St?

434 E 75th St (BBL 1014690034) has about 20 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.

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