Current Williamstown median home price: $128,360
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $147,331 | $132,598 | $162,064 |
| 2026 February | $148,671 | $133,804 | $163,538 |
| 2026 March | $150,024 | $135,021 | $165,026 |
| 2026 April | $151,388 | $136,250 | $166,527 |
| 2026 May | $152,766 | $137,489 | $168,042 |
| 2026 June | $153,512 | $138,160 | $168,863 |
| 2026 July | $153,206 | $137,885 | $168,527 |
| 2026 August | $152,407 | $137,167 | $167,648 |
| 2026 September | $151,692 | $136,522 | $166,861 |
| 2026 October | $151,981 | $136,783 | $167,179 |
| 2026 November | $153,363 | $138,027 | $168,699 |
| 2026 December | $154,758 | $139,282 | $170,234 |