Current Williams Bay median home price: $495,580
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 March | $544,545 | $490,090 | $598,999 |
| 2026 April | $548,736 | $493,862 | $603,610 |
| 2026 May | $552,959 | $497,663 | $608,255 |
| 2026 June | $557,215 | $501,494 | $612,937 |
| 2026 July | $561,504 | $505,354 | $617,654 |
| 2026 August | $565,826 | $509,243 | $622,408 |
| 2026 September | $570,180 | $513,162 | $627,198 |
| 2026 October | $574,569 | $517,112 | $632,026 |
| 2026 November | $578,265 | $520,439 | $636,092 |
| 2026 December | $580,153 | $522,138 | $638,168 |