Current Lake Saint Louis median home price: $402,621
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $452,990 | $407,691 | $498,289 |
| 2026 February | $456,350 | $410,715 | $501,986 |
| 2026 March | $459,736 | $413,763 | $505,710 |
| 2026 April | $463,147 | $416,832 | $509,462 |
| 2026 May | $466,583 | $419,925 | $513,242 |
| 2026 June | $470,045 | $423,041 | $517,050 |
| 2026 July | $473,532 | $426,179 | $520,886 |
| 2026 August | $476,803 | $429,123 | $524,483 |
| 2026 September | $479,832 | $431,848 | $527,815 |
| 2026 October | $483,392 | $435,052 | $531,731 |
| 2026 November | $486,978 | $438,280 | $535,676 |
| 2026 December | $490,591 | $441,532 | $539,650 |