Is 509 E 73rd St rent stabilized?
509 E 73rd St is a registered NYC rent-stabilized building in Upper East Side-Lenox Hill-Roosevelt Island, Manhattan (10021). It has about 30 apartments, built in 1920.
Also written as 509 East 73rd Street — or 509 E 73rd St, Manhattan, NY 10021.
How this building compares
With about 30 apartments it is larger than 67% of the 626 rent-stabilized buildings this site tracks in Upper East Side-Lenox Hill-Roosevelt Island. Its 1920 construction date sits close to the 1910 median for stabilized buildings tracked in the neighborhood. HPD lists 2 open violations here, about one for every 15 apartments — below the one for every 10 apartments median for tracked buildings in the neighborhood. Of the 31 violations on record at the address, 7 are class C — HPD's immediately hazardous grade, and none of them are still open. HPD issued 2 new violations at the address in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Upper East Side-Lenox Hill-Roosevelt Island |
| ZIP | 10021 |
| Year built | 1920 |
| Apartments | 30 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1014850008 |
Owner & management
| Owner | PRAXIS REALTY CO LLC 66 MARBLEDALE ROAD · TUCKAHOE, NY 10707 |
| Managing agent | VANDERLEIGH PROPERTIES LLC |
Building conditions
| HPD violations | 2 open / 31 total · 2 in last 12 mo |
| HPD complaints | 0 open / 74 total |
| HPD registration last filed | September 9, 2025 |
Full building report — $9
Frequently asked questions
Is 509 E 73rd St rent stabilized?
509 E 73rd 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 509 E 73rd St?
509 E 73rd St (BBL 1014850008) has about 30 residential apartments and was built in 1920, 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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