Current Lannon median home price: $495,018
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2025 September | $542,814 | $488,533 | $597,095 |
| 2025 October | $548,160 | $493,344 | $602,976 |
| 2025 November | $554,053 | $498,648 | $609,458 |
| 2025 December | $559,068 | $503,161 | $614,974 |