Union County SC Homes For Sale & Real Estate Properties on MLS MLS Listings Data: UnionTotal Listings:88Average Price:$285,720Highest Listing Price:$1,275,000Average Days On Market:119Houses & real estate For Sale Union county SC. MLS real estate listings for sale in the Union County SC by price, street, age, types: condos, waterfront homes, lakefront, beachfront, golf communities, subdivisions, townhomes, luxury condos, 55+ neighborhoods, list date, bedrooms & more Union County SC. Presently, %city% SC has a total of eighty-eight listings on the local MLS for sale with an average price point of $$285,720, the max being $$1,275,000 and the lowest priced house $$7,499 to purchase. Homes for sale in Union County SC have an average size of 2,003 sq ft and the average days on the market in Union County SC is 119 days. RelativeSort by Year Built: low to highSort by Year Built: high to lowSort by price: low to highSort by price: high to lowSort from oldest to newestSort from newest to oldestSort by status: active to under contractSort by status: under contract to active Filters Saving Subscribe Unsubscribe Switch to Grid View Switch to Map View Loading...