Current Crystal Lake median home price: $348,813
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $388,826 | $349,944 | $427,709 |
| 2026 February | $391,180 | $352,062 | $430,298 |
| 2026 March | $393,548 | $354,193 | $432,903 |
| 2026 April | $395,931 | $356,338 | $435,524 |
| 2026 May | $398,327 | $358,495 | $438,160 |
| 2026 June | $400,739 | $360,665 | $440,813 |
| 2026 July | $403,165 | $362,848 | $443,481 |
| 2026 August | $404,853 | $364,367 | $445,338 |
| 2026 September | $405,924 | $365,331 | $446,516 |
| 2026 October | $408,071 | $367,264 | $448,879 |
| 2026 November | $410,542 | $369,488 | $451,596 |
| 2026 December | $413,027 | $371,724 | $454,330 |