Market Intelligence Report
521 Park Avenue
Upper East Side, New York · 521 Park Avenue, New York, NY
521 Park Avenue in Upper East Side, New York has 24 recorded condominium sales dating back to 2003, with a median sale price of $2.0M and an average of $1,972 per square foot. Explore the building's full sales history, price trends, and resale performance on CURVE Reports.
Executive summary
Total units29
Total sales24
Total resales24
First close11/20/2003
Most recent close8/25/2025
Total sales volume$84.5M
Avg sale price$3.5M
Avg $/SF$1,972
Avg hold time7.3 yrs
Avg appreciation+28.5%
Sales by price point
17$1M–$3M
4$3M–$5M
1$5M–$8M
2$8M+
10 most recent sales
| Unit | Date | Beds | Type | Price | $/SF | Change |
|---|---|---|---|---|---|---|
| 11B | 8/25/2025 | 2 Beds | Resale 1 | $2.2M | $1,763 | — |
| 2A | 12/5/2024 | 1 Bed | Resale 1 | $2.0M | $1,047 | — |
| C | 5/9/2024 | — | Resale 1 | $1.4M | — | — |
| 5BC | 4/19/2024 | 3 Beds | Resale 2 | $4.6M | $1,450 | -38% |
| D | 8/15/2023 | — | Resale 2 | $1.5M | — | +43% |
| 12A | 7/8/2021 | 1 Bed | Resale 3 | $2.0M | $2,195 | +21% |
| S | 4/12/2019 | — | Resale 1 | $2.8M | — | — |
| 11A | 12/21/2018 | 1 Bed | Resale 2 | $1.9M | $1,796 | +36% |
| A/B | 9/13/2018 | — | Resale 1 | $2.9M | — | — |
| 4B | 3/21/2018 | 2 Beds | Resale 2 | $4.3M | $2,727 | +10% |
See the full report for 521 Park Avenue
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