Current Union City median home price: $527,550
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 March | $575,929 | $518,336 | $633,522 |
| 2026 April | $578,646 | $520,782 | $636,511 |
| 2026 May | $581,377 | $523,239 | $639,514 |
| 2026 June | $584,120 | $525,708 | $642,532 |
| 2026 July | $586,876 | $528,188 | $645,563 |
| 2026 August | $589,645 | $530,680 | $648,609 |
| 2026 September | $592,427 | $533,184 | $651,669 |
| 2026 October | $595,222 | $535,700 | $654,744 |
| 2026 November | $598,030 | $538,227 | $657,833 |
| 2026 December | $599,849 | $539,864 | $659,833 |