THE DISCOVERY BAY LAND BRIEF
Land in the
Delta setting.
Discovery Bay CDP has 5.59 square miles of land in Contra Costa County. Its Census reference point is in Delta, within Central California Valley.
The Sacramento and San Joaquin river systems occupy broad sediment-filled basins, with fans and terraces toward the valley margins. These nearly level landscapes contrast with California's surrounding hills and mountains.
Regional context: Central California Valley ↗ · Classification at the Census reference point
Discovery Bay and Contra Costa County
Discovery Bay is associated with Contra Costa County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Discovery Bay by land and water
The Census records 1.36 square miles of water within Discovery Bay, or 19.5% of its total area. It is 8.7 percentage points higher than the 10.8% recorded for Contra Costa County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Discovery Bay CDP has 85.8% of the land area of nearby Byron CDP (6.52 square miles). These areas describe boundaries, not comparable property prices.

