Current Williamstown median home price: $346,782
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 March | $376,909 | $339,218 | $414,600 |
| 2026 April | $379,280 | $341,352 | $417,208 |
| 2026 May | $381,666 | $343,499 | $419,832 |
| 2026 June | $384,066 | $345,660 | $422,473 |
| 2026 July | $386,482 | $347,834 | $425,130 |
| 2026 August | $388,913 | $350,021 | $427,804 |
| 2026 September | $391,359 | $352,223 | $430,495 |
| 2026 October | $393,821 | $354,438 | $433,203 |
| 2026 November | $396,298 | $356,668 | $435,927 |
| 2026 December | $398,790 | $358,911 | $438,669 |