Current Old Westbury median home price: $2,648,073
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $2,804,004 | $2,523,603 | $3,084,404 |
| 2026 February | $2,815,993 | $2,534,394 | $3,097,593 |
| 2026 March | $2,828,034 | $2,545,231 | $3,110,838 |
| 2026 April | $2,840,127 | $2,556,114 | $3,124,140 |
| 2026 May | $2,852,271 | $2,567,044 | $3,137,498 |
| 2026 June | $2,864,467 | $2,578,021 | $3,150,914 |
| 2026 July | $2,873,360 | $2,586,024 | $3,160,696 |
| 2026 August | $2,869,814 | $2,582,833 | $3,156,795 |
| 2026 September | $2,873,702 | $2,586,332 | $3,161,072 |
| 2026 October | $2,885,990 | $2,597,391 | $3,174,589 |
| 2026 November | $2,898,330 | $2,608,497 | $3,188,163 |
| 2026 December | $2,910,723 | $2,619,651 | $3,201,795 |