Real Estate Listings For Sale 29403 zip code SC MLS Listings Data: 29403 Total Listings: 175 Average Price: $1,424,302 Highest Listing Price: $7,000,000 Average Days On Market: 163 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 one hundred seventy-five listings on the local MLS for sale with an average price point of $$1,424,302, the max being $$7,000,000 and the lowest priced house $$32,000 to purchase in the 29403 zip code. Homes in the Charleston SC 29403 have an average house size of 1,847 sq ft and the average days on the market in zip code 29403 is 163 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. 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...