Current Signal Mountain median home price: $578,433
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2025 September | $634,548 | $571,093 | $698,002 |
| 2025 October | $639,132 | $575,219 | $703,045 |
| 2025 November | $643,750 | $579,375 | $708,125 |
| 2025 December | $648,401 | $583,561 | $713,241 |