Harlem Heights Ext. Columbia SC Homes & Real Estate For Sale ALL ACTIVE MLS Listings Harlem Heights Ext.Total Listings:2Average Price:$332,500Highest Listing Price:$450,000Average Days On Market:149Houses For Sale Harlem Heights Ext. subdivision Columbia SC. MLS real estate listings for sale in Harlem Heights Ext. Columbia SC by price, street, age, list date, bedrooms & more Harlem Heights Ext. Columbia SC. Currently, Harlem Heights Ext. in Columbia SC has a total of two listings on the local MLS for sale with an average price point of $332,500, the max being $450,000 and the lowest priced house $215,000. The neighborhood of Harlem Heights Ext. subdivision in Columbia SC has an average house size of 1,264 sq ft and the average days on the market in this community is 149. 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...