Current Williamstown median home price: $128,360
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2025 September | $142,090 | $127,881 | $156,299 |
| 2025 October | $143,382 | $129,044 | $157,721 |
| 2025 November | $144,687 | $130,218 | $159,155 |
| 2025 December | $146,003 | $131,403 | $160,603 |