Current Water Mill median home price: $4,305,597
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 March | $4,586,146 | $4,127,531 | $5,044,760 |
| 2026 April | $4,615,581 | $4,154,023 | $5,077,140 |
| 2026 May | $4,645,206 | $4,180,686 | $5,109,727 |
| 2026 June | $4,675,021 | $4,207,519 | $5,142,523 |
| 2026 July | $4,705,027 | $4,234,525 | $5,175,530 |
| 2026 August | $4,735,226 | $4,261,704 | $5,208,749 |
| 2026 September | $4,765,619 | $4,289,057 | $5,242,181 |
| 2026 October | $4,796,207 | $4,316,586 | $5,275,827 |
| 2026 November | $4,826,991 | $4,344,292 | $5,309,690 |
| 2026 December | $4,857,972 | $4,372,175 | $5,343,770 |