Current Port Costa median home price: $654,555
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $677,255 | $609,529 | $744,980 |
| 2026 February | $681,889 | $613,700 | $750,077 |
| 2026 March | $686,554 | $617,899 | $755,209 |
| 2026 April | $691,251 | $622,126 | $760,376 |
| 2026 May | $695,981 | $626,383 | $765,579 |
| 2026 June | $700,742 | $630,668 | $770,817 |
| 2026 July | $700,183 | $630,164 | $770,201 |
| 2026 August | $696,127 | $626,515 | $765,740 |
| 2026 September | $692,096 | $622,886 | $761,305 |
| 2026 October | $688,087 | $619,279 | $756,896 |
| 2026 November | $690,225 | $621,203 | $759,248 |
| 2026 December | $694,948 | $625,453 | $764,443 |