Current Water Mill median home price: $4,305,597
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $4,711,091 | $4,239,982 | $5,182,200 |
| 2026 February | $4,742,550 | $4,268,295 | $5,216,805 |
| 2026 March | $4,774,219 | $4,296,797 | $5,251,641 |
| 2026 April | $4,806,100 | $4,325,490 | $5,286,710 |
| 2026 May | $4,838,193 | $4,354,374 | $5,322,013 |
| 2026 June | $4,870,501 | $4,383,451 | $5,357,551 |
| 2026 July | $4,903,025 | $4,412,722 | $5,393,327 |
| 2026 August | $4,935,766 | $4,442,189 | $5,429,342 |
| 2026 September | $4,968,725 | $4,471,853 | $5,465,598 |
| 2026 October | $5,001,905 | $4,501,714 | $5,502,095 |
| 2026 November | $5,035,306 | $4,531,775 | $5,538,836 |
| 2026 December | $5,068,930 | $4,562,037 | $5,575,823 |