Union County, SD undeveloped land for sale

Buying undeveloped land in Union County

Find undeveloped land for sale in Union County, SD including small empty lots, vacant land for construction, large unimproved acreage, and other raw land plots.

There are currently 66 undeveloped properties for sale in Union County, with an average listing price of $158,417. The average cost to buy is $19,148 per acre. Search land for sale in South Dakota to view every property in the state.