Downtown Charleston SC Homes For Sale $300000-$600000 Downtown Charleston, SC Real Estate Listings For Sale $300,000-$600,000. Homes for sale downtown Charleston SC is the most expensive real estate in South Carolina and most properties begin at the $350,000 price range. Search homes in the historic area of Charleston SC that are below $600,000. MLS Listings Data Total Listings: 43 Average Price: $472,637 Highest Listing Price: $599,000 Average Days On Market: 158 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... NEIGHBORHOODS OF DOWNTOWN CHARLESTON Active Listings Avg Days on Market Avg DoM Avg Price A