Is 505 Onderdonk Ave rent stabilized?
505 Onderdonk Ave is a registered NYC rent-stabilized building in Ridgewood, Queens (11385). It has about 6 apartments, built in 1930.
Also written as 505 Onderdonk Avenue — or 505 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 10 open violations here, about 1.7 per apartment — above the one for every 3 apartments median for tracked buildings in the neighborhood. Of the 19 violations on record at the address, 1 is class C — HPD's immediately hazardous grade. Tenants have filed 37 HPD complaints at the address, none 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 | 4034050009 |
Owner & management
| Owner | 505 ONDERDONK LLC 57 JEWEL STREET #2R · BROOKLYN, NY 11222 |
| Managing agent | MAX BELL |
Building conditions
| HPD violations | 10 open / 19 total |
| HPD complaints | 0 open / 37 total |
| HPD registration last filed | December 10, 2025 |