Is 509 W 174th St rent stabilized?
509 W 174th St is a registered NYC rent-stabilized building in Washington Heights (South), Manhattan (10033). It has about 32 apartments, built in 1910.
Also written as 509 West 174th Street — or 509 W 174th St, Manhattan, NY 10033.
How this building compares
With about 32 apartments it sits near the middle of the 658 rent-stabilized buildings this site tracks in Washington Heights (South), where the median building has 30. Its 1910 construction date sits close to the 1914 median for stabilized buildings tracked in the neighborhood. HPD lists 2 open violations here, about one for every 16 apartments — below the 0.7 per apartment median for tracked buildings in the neighborhood. Of the 232 violations on record at the address, 69 are class C — HPD's immediately hazardous grade, and 2 of them are still open. HPD issued 1 new violation at the address in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Washington Heights (South) |
| ZIP | 10033 |
| Year built | 1910 |
| Apartments | 32 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 1021310055 |
Owner & management
| Owner | 509 REALTY GROUP, LLC 1499 CONEY ISLAND AVENUE · BROOKLYN, NY 11230 |
| Managing agent | 509 REALTY GROUP, LLC |
Building conditions
| HPD violations | 2 open / 232 total · 1 in last 12 mo |
| HPD complaints | 0 open / 184 total |
| HPD registration last filed | August 28, 2025 |
Full building report — $9
Frequently asked questions
Is 509 W 174th St rent stabilized?
509 W 174th St in Washington Heights (South), 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 W 174th St?
509 W 174th St (BBL 1021310055) has about 32 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 Washington Heights (South)
See all in Washington Heights (South) →