Paper-prepared
21 Park Avenue
Nassau · Building
Building
Type
2
Units
1926
Year built
Nassau
Borough
Public records
What we know about 21 Park Avenue
Sales (5yr)
2
Median price
$685K
Avg price per square foot
$733
Last sale
May 2026
Recent closed sales
| Date | Unit | Beds / Baths | SF | Price |
|---|---|---|---|---|
| May 2026 | Not available | 2 / 1 | 934 | $570,000 |
| Jun 2025 | Not available | 5 / 3 | 934 | $800,000 |
| Jun 2020 | Not available | 4 / 2.5 | 2,177 | $765,000 |
| Apr 2020 | Not available | 4 / 1.5 | Not available | $815,000 |
| Aug 2019 | Not available | 3 / 2 | Not available | $575,000 |
Source: NYC ACRIS · public record