Current Diamond Bar median home price: $1,003,996
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2028 January | $1,120,113 | $1,008,102 | $1,232,125 |
| 2028 February | $1,116,161 | $1,004,545 | $1,227,777 |
| 2028 March | $1,113,112 | $1,001,801 | $1,224,423 |
| 2028 April | $1,119,915 | $1,007,924 | $1,231,907 |
| 2028 May | $1,126,778 | $1,014,101 | $1,239,456 |
| 2028 June | $1,133,684 | $1,020,315 | $1,247,052 |
| 2028 July | $1,140,631 | $1,026,568 | $1,254,694 |
| 2028 August | $1,147,621 | $1,032,859 | $1,262,383 |
| 2028 September | $1,154,654 | $1,039,189 | $1,270,120 |
| 2028 October | $1,161,730 | $1,045,557 | $1,277,903 |
| 2028 November | $1,168,850 | $1,051,965 | $1,285,735 |
| 2028 December | $1,168,303 | $1,051,472 | $1,285,133 |