Current Diamond Bar median home price: $1,003,996
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2028 January | $1,083,103 | $974,793 | $1,191,413 |
| 2028 February | $1,079,115 | $971,204 | $1,187,027 |
| 2028 March | $1,076,167 | $968,551 | $1,183,784 |
| 2028 April | $1,082,648 | $974,383 | $1,190,913 |
| 2028 May | $1,089,168 | $980,251 | $1,198,084 |
| 2028 June | $1,095,727 | $986,154 | $1,205,299 |
| 2028 July | $1,102,325 | $992,092 | $1,212,557 |
| 2028 August | $1,108,963 | $998,067 | $1,219,859 |
| 2028 September | $1,115,641 | $1,004,077 | $1,227,205 |
| 2028 October | $1,122,360 | $1,010,124 | $1,234,596 |
| 2028 November | $1,129,118 | $1,016,207 | $1,242,030 |
| 2028 December | $1,128,590 | $1,015,731 | $1,241,449 |