THE SOUTH RIDING LAND BRIEF
Land in the
Trap Rock and Conglomerate Uplands setting.
South Riding CDP has 6.85 square miles of land in Loudoun County. Its Census reference point is in Trap Rock and Conglomerate Uplands, within Northern Piedmont.
Rounded low hills, open valleys and irregular plains form a transition between Appalachian highlands and the coastal plain. The underlying geology mixes metamorphic, igneous and sedimentary rocks.
Regional context: Northern Piedmont ↗ · Classification at the Census reference point
South Riding and Loudoun County
South Riding is associated with Loudoun 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.
South Riding by land and water
The Census records 0.07 square miles of water within South Riding, or 1.1% of its total area. That share is close to Loudoun County’s 1.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, South Riding CDP has 2.6 times the land area of nearby Stone Ridge CDP (2.59 square miles). These areas describe boundaries, not comparable property prices.

