Current Deer Island median home price: $549,041
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $576,960 | $519,264 | $634,656 |
| 2026 February | $580,451 | $522,406 | $638,496 |
| 2026 March | $583,962 | $525,566 | $642,358 |
| 2026 April | $587,495 | $528,746 | $646,245 |
| 2026 May | $591,049 | $531,944 | $650,154 |
| 2026 June | $594,625 | $535,162 | $654,087 |
| 2026 July | $598,222 | $538,400 | $658,045 |
| 2026 August | $601,841 | $541,657 | $662,026 |
| 2026 September | $605,482 | $544,934 | $666,031 |
| 2026 October | $609,145 | $548,231 | $670,060 |
| 2026 November | $611,521 | $550,369 | $672,673 |
| 2026 December | $614,746 | $553,272 | $676,221 |