Current Williamstown median home price: $128,360
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 March | $142,023 | $127,820 | $156,225 |
| 2026 April | $143,247 | $128,922 | $157,572 |
| 2026 May | $144,482 | $130,034 | $158,930 |
| 2026 June | $145,188 | $130,669 | $159,706 |
| 2026 July | $144,899 | $130,409 | $159,389 |
| 2026 August | $144,115 | $129,703 | $158,526 |
| 2026 September | $143,438 | $129,094 | $157,781 |
| 2026 October | $143,711 | $129,340 | $158,082 |
| 2026 November | $144,950 | $130,455 | $159,445 |
| 2026 December | $146,199 | $131,579 | $160,819 |