Is 21-20 21st Ave rent stabilized?
21-20 21st Ave is a registered NYC rent-stabilized building in Astoria (North)-Ditmars-Steinway, Queens (11105). It has about 6 apartments, built in 1931.
Also written as 21-20 21st Avenue — or 21-20 21st Ave, Queens, NY 11105.
How this building compares
With about 6 apartments it sits near the middle of the 405 rent-stabilized buildings this site tracks in Astoria (North)-Ditmars-Steinway, where the median building has 7. Its 1931 construction date sits close to the 1931 median for stabilized buildings tracked in the neighborhood. HPD lists no open violations at this address — one of 176 such buildings among the 406 this site tracks in the neighborhood.
🔔 Want to know if an apartment opens up here? Save 21-20 21st Ave to a free Find A Crib account and get a listing alert. Plus members also see the managing agent's phone number and the owner's full portfolio.
Building details
| Borough | Queens |
| Neighborhood | Astoria (North)-Ditmars-Steinway |
| ZIP | 11105 |
| Year built | 1931 |
| Apartments | 6 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 4008800053 |
Owner & management
| Owner | TSALAPATANIS LLC 21-20 21 AVENUE · Astoria, NY 11105 |
| Managing agent | SERGIO TSALAPATANIS |
Building conditions
| HPD violations | 0 open / 11 total |
| HPD registration last filed | November 10, 2025 |
Full building report — $9
📄 Get the full building report — $9. How this building's violation record compares citywide, who owns it and what else they own, and a pre-filled DHCR rent-history request. One-time, no account needed. The report also states plainly what the data cannot tell you. Get the report for 21-20 21st Ave →
Other rent-stabilized buildings in Astoria (North)-Ditmars-Steinway
20-31 To 20-43 20th St19-01 To 19-15 21st Ave20-53 To 20-61 20th St20-01 To 20-15 21st Ave21-09 To 21-15 19th St19-22 21st Rd19-28 21st Rd21-05 21st Rd21-45 23rd St21-24 Crescent St21-30 To 21-32 Crescent St21-36 To 21-38 Crescent St
See all in Astoria (North)-Ditmars-Steinway →