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
HPD lists 15 open violations here, about 2.5 per apartment — above the one for every 3 apartments median for tracked buildings in Ridgewood. Of the 28 violations on record at the address, 5 are class C — HPD's immediately hazardous grade, and 3 of them are still open. Tenants have filed 34 HPD complaints at the address, 3 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 | 2 open / 34 total |
| HPD registration last filed | August 20, 2025 |
Full building report — $9
Frequently asked questions
Is 565 Onderdonk Ave rent stabilized?
565 Onderdonk Ave in Ridgewood, Queens 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 565 Onderdonk Ave?
565 Onderdonk Ave (BBL 4034060002) has about 6 residential apartments and was built in 1930, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.