THE SAN DIEGO LAND BRIEF
Land in the
Diegan Coastal Terraces setting.
San Diego city has 326 square miles of land in San Diego County. Its Census reference point is in Diegan Coastal Terraces, within Southern California/Northern Baja Coast.
Coastal and alluvial plains alternate with low hills in southern California. Sage scrub, chaparral and oak communities characterize the region's natural coastal landscape.
Regional context: Southern California/Northern Baja Coast ↗ · Classification at the Census reference point
San Diego and San Diego County
San Diego is associated with San Diego 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.
San Diego by land and water
The Census records 16.2 square miles of water within San Diego, or 4.7% of its total area. It is 2.2 percentage points lower than the 7% recorded for San Diego County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, San Diego city has 35.9 times the land area of nearby La Mesa city (9.09 square miles). These areas describe boundaries, not comparable property prices.

