THE MARTINEZ LAND BRIEF
Land in the
Sand Hills setting.
Martinez CDP has 14.5 square miles of land in Columbia County. Its Census reference point is in Sand Hills, within Southeastern Plains.
Irregular plains of sand, silt and clay support a mix of pine and hardwood landscapes. The region has more relief than the lower coastal plain, with generally gentle stream gradients.
Regional context: Southeastern Plains ↗ · Classification at the Census reference point
Martinez and Columbia County
Martinez is associated with Columbia 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.
Martinez by land and water
The Census records 0.11 square miles of water within Martinez, or 0.8% of its total area. It is 4.9 percentage points lower than the 5.7% recorded for Columbia County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Martinez CDP has 57.4% of the land area of nearby Evans CDP (25.3 square miles). These areas describe boundaries, not comparable property prices.

