Current Castro Valley median home price: $1,140,774
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $1,165,454 | $1,048,909 | $1,282,000 |
| 2026 February | $1,174,408 | $1,056,968 | $1,291,849 |
| 2026 March | $1,183,431 | $1,065,088 | $1,301,774 |
| 2026 April | $1,192,524 | $1,073,271 | $1,311,776 |
| 2026 May | $1,201,686 | $1,081,517 | $1,321,854 |
| 2026 June | $1,210,918 | $1,089,826 | $1,332,010 |
| 2026 July | $1,220,221 | $1,098,199 | $1,342,244 |
| 2026 August | $1,224,110 | $1,101,699 | $1,346,521 |
| 2026 September | $1,226,827 | $1,104,144 | $1,349,510 |
| 2026 October | $1,233,697 | $1,110,327 | $1,357,067 |
| 2026 November | $1,243,175 | $1,118,858 | $1,367,493 |
| 2026 December | $1,252,727 | $1,127,454 | $1,377,999 |