Is 565 Onderdonk Ave rent stabilized?
565 Onderdonk Ave is a registered NYC rent-stabilized building in Ridgewood, Queens (11385). It has about 6 apartments, built in 1930.
Also written as 565 Onderdonk Avenue — or 565 Onderdonk Ave, Queens, NY 11385.
How this building compares
With about 6 apartments it sits near the middle of the 1,081 rent-stabilized buildings this site tracks in Ridgewood, where the median building has 6. Its 1930 construction date sits close to the 1930 median for stabilized buildings tracked in the neighborhood. HPD lists 15 open violations here, about 2.5 per apartment — above the one for every 3 apartments median for tracked buildings in the neighborhood. Of the 28 violations on record at the address, 5 are class C — HPD's immediately hazardous grade. Tenants have filed 32 HPD complaints at the address, 1 of them in the last twelve months.
Building details
| Borough | Queens |
| Neighborhood | Ridgewood |
| ZIP | 11385 |
| Year built | 1930 |
| Apartments | 6 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 4034060002 |
Owner & management
| Owner | MORTILLARO LLC 565 ONDERDONK AVE. · RIDGEWOOD, NY 11385 |
| Managing agent | Maria Mortillaro |
Building conditions
| HPD violations | 15 open / 28 total |
| HPD complaints | 0 open / 32 total |
| HPD registration last filed | August 20, 2025 |