Current Central Islip median home price: $527,857
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $576,930 | $519,237 | $634,623 |
| 2026 February | $580,149 | $522,134 | $638,164 |
| 2026 March | $583,386 | $525,048 | $641,725 |
| 2026 April | $586,641 | $527,977 | $645,306 |
| 2026 May | $589,915 | $530,923 | $648,906 |
| 2026 June | $593,206 | $533,886 | $652,527 |
| 2026 July | $596,516 | $536,865 | $656,168 |
| 2026 August | $598,294 | $538,464 | $658,123 |
| 2026 September | $599,732 | $539,759 | $659,706 |
| 2026 October | $601,452 | $541,307 | $661,598 |
| 2026 November | $603,831 | $543,448 | $664,215 |
| 2026 December | $606,498 | $545,848 | $667,148 |