THE GRASS VALLEY LAND BRIEF
Land in the
Umatilla Plateau setting.
Grass Valley city has 0.51 square miles of land in Sherman County. Its Census reference point is in Umatilla Plateau, within Columbia Plateau.
Basalt underlies this dry plateau of grassland and sagebrush. Windblown soils cover some uplands, while ancient flood paths exposed rock across the region's scabland terrain.
Regional context: Columbia Plateau ↗ · Classification at the Census reference point
Grass Valley and Sherman County
Grass Valley is associated with Sherman 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.
Grass Valley by land and water
The Census records 0 square miles of water within Grass Valley, or 0% of its total area. It is 0.9 percentage points lower than the 0.9% recorded for Sherman County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Grass Valley city has 1 times the land area of nearby Moro city (0.5 square miles). These areas describe boundaries, not comparable property prices.

