CANNONBOROUGH DOWNTOWN CHARLESTON, SC REAL ESTATE LISTINGS FOR SALECANNONBOROUGH DOWNTOWN CHARLESTON, SC REAL ESTATE LISTINGS FOR SALE on MLS. Search homes for sale in Cannonborough neighborhood in downtown Charleston, SC. Search all homes for sale in Cannon borough in downtown Charleston, Sc for sale on MLS and ALL of Downtown Charleston. MLS Listings DataTotal Listings:41Average Price:$2,063,846Highest Listing Price:$5,995,000Average Days On Market:213 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 Loading...