Current Deer Island median home price: $549,041
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 March | $562,683 | $506,415 | $618,952 |
| 2026 April | $565,561 | $509,005 | $622,117 |
| 2026 May | $568,454 | $511,608 | $625,299 |
| 2026 June | $571,361 | $514,225 | $628,497 |
| 2026 July | $574,284 | $516,855 | $631,712 |
| 2026 August | $577,221 | $519,499 | $634,943 |
| 2026 September | $580,173 | $522,156 | $638,190 |
| 2026 October | $583,140 | $524,826 | $641,454 |
| 2026 November | $585,415 | $526,873 | $643,956 |
| 2026 December | $588,409 | $529,568 | $647,250 |