Current Mercer Island median home price: $2,252,719
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2027 January | $2,518,375 | $2,266,538 | $2,770,213 |
| 2027 February | $2,542,717 | $2,288,446 | $2,796,989 |
| 2027 March | $2,567,295 | $2,310,565 | $2,824,024 |
| 2027 April | $2,592,110 | $2,332,899 | $2,851,321 |
| 2027 May | $2,610,861 | $2,349,775 | $2,871,947 |
| 2027 June | $2,591,876 | $2,332,688 | $2,851,063 |
| 2027 July | $2,573,028 | $2,315,725 | $2,830,331 |
| 2027 August | $2,554,318 | $2,298,886 | $2,809,749 |
| 2027 September | $2,535,743 | $2,282,169 | $2,789,318 |
| 2027 October | $2,517,304 | $2,265,574 | $2,769,034 |
| 2027 November | $2,498,999 | $2,249,099 | $2,748,899 |
| 2027 December | $2,480,827 | $2,232,744 | $2,728,909 |