THE SUDDEN VALLEY LAND BRIEF
Land in the
Eastern Puget Uplands setting.
Sudden Valley CDP has 4.28 square miles of land in Whatcom County. Its Census reference point is in Eastern Puget Uplands, within Puget Lowland.
A glacial lowland surrounds Puget Sound with islands, bays, peninsulas and rolling terrain. Moraines, outwash plains and river terraces create a varied setting beneath the region's maritime climate.
Regional context: Puget Lowland ↗ · Classification at the Census reference point
Sudden Valley and Whatcom County
Sudden Valley is associated with Whatcom 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.
Sudden Valley by land and water
The Census records 1.84 square miles of water within Sudden Valley, or 30.1% of its total area. It is 14.2 percentage points higher than the 15.8% recorded for Whatcom County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Sudden Valley CDP has 3.1 times the land area of nearby Geneva CDP (1.38 square miles). These areas describe boundaries, not comparable property prices.

