Current Diamond Bar median home price: $1,003,996
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2031 January | $1,218,516 | $1,096,664 | $1,340,367 |
| 2031 February | $1,225,854 | $1,103,268 | $1,348,439 |
| 2031 March | $1,233,236 | $1,109,912 | $1,356,559 |
| 2031 April | $1,240,662 | $1,116,596 | $1,364,728 |
| 2031 May | $1,248,133 | $1,123,320 | $1,372,947 |
| 2031 June | $1,255,650 | $1,130,085 | $1,381,215 |
| 2031 July | $1,263,211 | $1,136,890 | $1,389,532 |
| 2031 August | $1,270,818 | $1,143,736 | $1,397,900 |
| 2031 September | $1,278,471 | $1,150,624 | $1,406,318 |
| 2031 October | $1,285,258 | $1,156,733 | $1,413,784 |
| 2031 November | $1,282,645 | $1,154,380 | $1,410,909 |
| 2031 December | $1,277,922 | $1,150,130 | $1,405,714 |