THE MARTINSVILLE LAND BRIEF
Land in the
Trap Rock and Conglomerate Uplands setting.
Martinsville CDP has 12.2 square miles of land in Somerset 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
Martinsville and Somerset County
Martinsville is associated with Somerset 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.
Martinsville by land and water
The Census records 0.07 square miles of water within Martinsville, or 0.6% of its total area. It is 0.4 percentage points lower than the 1% recorded for Somerset County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Martinsville CDP has 38.1% of the land area of nearby Bridgewater township (31.9 square miles). These areas describe boundaries, not comparable property prices.

