Paper-prepared
15 William Street
Westchester · Building
Building
Type
3
Units
1910
Year built
Westchester
Borough
Public records
What we know about 15 William Street
Sales (5yr)
5
Median price
$490K
Avg price per square foot
$349
Last sale
Dec 2025
Recent closed sales
| Date | Unit | Beds / Baths | SF | Price |
|---|---|---|---|---|
| Dec 2025 | Not available | 3 / 1 | 1,082 | $565,000 |
| Apr 2025 | Not available | 3 / 2 | 1,750 | $490,000 |
| May 2024 | Not available | 3 / 1.5 | 1,750 | $310,000 |
| Apr 2023 | Not available | 4 / 2 | 1,204 | $459,900 |
| Jan 2022 | Not available | 7 / 3 | 1,287 | $492,500 |
Source: NYC ACRIS · public record