Old Mt Pleasant Mount Pleasant SC Homes & Real Estate For Sale MLS Listings Data: Old Mt PleasantTotal Listings:18Average Price:$2,300,111Highest Listing Price:$4,795,000Average Days On Market:40Houses For Sale Old Mt Pleasant subdivision Mount Pleasant SC. MLS real estate listings for sale in Old Mt Pleasant Mount Pleasant SC by price, street, age, list date, bedrooms & more Old Mt Pleasant Mount Pleasant SC. Currently, Old Mt Pleasant in Mount Pleasant SCÂ has a total of eighteen listings on the local MLS for sale with an average price point of $2,300,111, the max being $4,795,000 and the lowest priced house $950,000. The neighborhood of Old Mt Pleasant subdivision in Mount Pleasant SC has an average house size of 2,425 sq ft and the average days on the market in this community is 40. 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 Saving Subscribe Unsubscribe Loading...