Current Crystal Lake median home price: $348,813
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 February | $379,556 | $341,601 | $417,512 |
| 2026 March | $381,859 | $343,673 | $420,045 |
| 2026 April | $384,175 | $345,758 | $422,593 |
| 2026 May | $386,506 | $347,855 | $425,157 |
| 2026 June | $388,851 | $349,966 | $427,736 |
| 2026 July | $391,210 | $352,089 | $430,331 |
| 2026 August | $392,848 | $353,563 | $432,132 |
| 2026 September | $393,887 | $354,498 | $433,275 |
| 2026 October | $395,971 | $356,374 | $435,568 |
| 2026 November | $398,373 | $358,536 | $438,210 |
| 2026 December | $400,790 | $360,711 | $440,869 |