Real Estate Listings For Sale 29403 zip code SC MLS Listings Data: 29403Total Listings:228Average Price:$1,330,817Highest Listing Price:$4,850,000Average Days On Market:209 Homes For Sale 29403 zip code Charleston SC. MLS real estate listings for sale in SC by price, street, age, subdivision, neighborhood, list date, bedrooms & more SC zip code 29403. Currently, Charleston SC 29403 has a total of two hundred twenty-eight listings on the local MLS for sale with an average price point of $$1,330,817, the max being $$4,850,000 and the lowest priced house $$200,000 to purchase in the 29403 zip code. Homes in the Charleston SC 29403 have an average house size of 1,936 sq ft and the average days on the market in zip code 29403 is 209 days. Please contact our team to list or sell your home, view or make an offer on one of the properties you see here updated every 5 mins in real-time. 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...