THE SANTA CLARA COUNTY LAND BRIEF
Land in the
East Bay Hills/Western Diablo Range setting.
Santa Clara County has 1,291.1 square miles of land in California. 7 mapped landscape regions meet across Santa Clara County: East Bay Hills/Western Diablo Range, Bay Terraces/Lower Santa Clara Valley, Leeward Hills, among others.
Oak woodland, chaparral and grassland occupy foothills and low coastal mountains around the Central Valley. Narrow agricultural valleys interrupt this landscape of dry summers and wetter winters.
Regional context: Central California Foothills and Coastal Mountains ↗ · Regional mapping across the county footprint
Where the landscape changes
Santa Clara County intersects 7 mapped regional units. The largest mapped shares are:
- East Bay Hills/Western Diablo Range40.1%
- Bay Terraces/Lower Santa Clara Valley17%
- Leeward Hills16.6%
- Diablo Range10.7%
- Upper Santa Clara Valley6.8%
Coast Range in Santa Clara County
Pacific-facing coastal mountains support moisture-loving conifers, with marine terraces, dunes and beaches along the ocean edge. Inland slopes and the immediate coast have different vegetation patterns.
Read the regional source ↗Finding your parcel within Santa Clara County
The atlas lists 24 cities, towns, townships, and Census communities associated with Santa Clara County, including San Jose, Palo Alto, Sunnyvale. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Santa Clara County by land and water
The Census records 13 square miles of water within Santa Clara County, or 1% of its total area. That share is close to Santa Clara County’s 1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Santa Clara County has 99.8 times the land area of nearby Morgan Hill city (12.9 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Alameda County, Merced County, San Benito County, San Mateo County, Santa Cruz County, Stanislaus County within California. A tract near one of these lines should be matched to the county identifier on its own records.

