THE SAN BERNARDINO COUNTY LAND BRIEF
Land in the
Eastern Mojave Basins setting.
San Bernardino County has 20,068.4 square miles of land in California. 23 mapped landscape regions meet across San Bernardino County: Eastern Mojave Basins, Eastern Mojave Low Ranges and Arid Footslopes, Western Mojave Basins, among others.
Broad dry basins and scattered ranges define the Mojave landscape. Creosote scrub, yuccas and Joshua trees occur regionally, with different plant communities on alkali flats and higher mountains.
Regional context: Mojave Basin and Range ↗ · Regional mapping across the county footprint
Where the landscape changes
San Bernardino County intersects 23 mapped regional units. The largest mapped shares are:
- Eastern Mojave Basins25.3%
- Eastern Mojave Low Ranges and Arid Footslopes20.6%
- Western Mojave Basins15.5%
- Western Mojave Low Ranges and Arid Footslopes9.9%
- Death Valley/Mojave Central Trough9%
Sonoran Basin and Range in San Bernardino County
Hot desert basins are separated by low mountain ranges. Palo verde, cacti and other drought-adapted plants distinguish the Sonoran setting from the Mojave region farther north.
Read the regional source ↗Southern California/Northern Baja Coast in San Bernardino County
Coastal and alluvial plains alternate with low hills in southern California. Sage scrub, chaparral and oak communities characterize the region's natural coastal landscape.
Read the regional source ↗Finding your parcel within San Bernardino County
The atlas lists 52 cities, towns, townships, and Census communities associated with San Bernardino County, including Lucerne Valley, Apple Valley, Victorville. The list includes overlapping geography types and does not divide the county into exclusive service areas.
San Bernardino County by land and water
The Census records 37.2 square miles of water within San Bernardino County, or 0.2% of its total area. That share is close to San Bernardino County’s 0.2%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, San Bernardino County has 7,465.9 times the land area of nearby Baker CDP (2.69 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Inyo County, Kern County, Los Angeles County, Orange County, Riverside County within California. A tract near one of these lines should be matched to the county identifier on its own records.

