Current Union City median home price: $138,823
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2025 September | $145,221 | $130,699 | $159,743 |
| 2025 October | $146,070 | $131,463 | $160,677 |
| 2025 November | $146,924 | $132,232 | $161,617 |
| 2025 December | $147,783 | $133,005 | $162,562 |