Current Williamsville median home price: $225,574
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 March | $259,278 | $233,350 | $285,205 |
| 2026 April | $261,161 | $235,045 | $287,277 |
| 2026 May | $263,152 | $236,837 | $289,467 |
| 2026 June | $265,158 | $238,642 | $291,674 |
| 2026 July | $266,115 | $239,503 | $292,726 |
| 2026 August | $265,548 | $238,993 | $292,103 |
| 2026 September | $265,375 | $238,838 | $291,913 |
| 2026 October | $266,120 | $239,508 | $292,732 |
| 2026 November | $268,149 | $241,334 | $294,964 |
| 2026 December | $270,193 | $243,174 | $297,212 |