Harmony Hall Round O SC Homes & Real Estate For Sale MLS Listings Data: Harmony Hall Total Listings: 5 Average Price: $164,400 Highest Listing Price: $289,000 Average Days On Market: 152 Houses For Sale Harmony Hall subdivision Round O SC. MLS real estate listings for sale in Harmony Hall Round O SC by price, street, age, list date, bedrooms & more Harmony Hall Round O SC. Currently, Harmony Hall in Round O SC has a total of five listings on the local MLS for sale with an average price point of $164,400, the max being $289,000 and the lowest priced house $40,000. The neighborhood of Harmony Hall subdivision in Round O SC has an average house size of 965 sq ft and the average days on the market in this community is 152. Relative Sort by Year Built: low to high Sort by Year Built: high to low Sort by price: low to high Sort by price: high to low Sort from oldest to newest Sort from newest to oldest Sort by status: active to under contract Sort by status: under contract to active Saving Subscribe Unsubscribe Loading...