THE TOPANGA LAND BRIEF
Land in the
Venturan-Angeleno Coastal Hills setting.
Topanga CDP has 19.1 square miles of land in Los Angeles County. Its Census reference point is in Venturan-Angeleno Coastal Hills, 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
Topanga and Los Angeles County
Topanga is associated with Los Angeles 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.
Topanga by land and water
The Census records <0.01 square miles of water within Topanga, or 0% of its total area. It is 14.5 percentage points lower than the 14.5% recorded for Los Angeles County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Topanga CDP has 1.4 times the land area of nearby Calabasas city (13.7 square miles). These areas describe boundaries, not comparable property prices.

