Current Grain Valley median home price: $323,129
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2027 January | $344,158 | $309,742 | $378,574 |
| 2027 February | $345,753 | $311,178 | $380,328 |
| 2027 March | $347,355 | $312,620 | $382,091 |
| 2027 April | $348,965 | $314,068 | $383,861 |
| 2027 May | $350,582 | $315,524 | $385,640 |
| 2027 June | $352,206 | $316,986 | $387,427 |
| 2027 July | $352,160 | $316,944 | $387,376 |
| 2027 August | $351,192 | $316,073 | $386,312 |
| 2027 September | $350,228 | $315,205 | $385,251 |
| 2027 October | $349,587 | $314,628 | $384,546 |
| 2027 November | $349,265 | $314,339 | $384,192 |
| 2027 December | $348,578 | $313,720 | $383,436 |