Real Estate Listings For Sale 29403 zip code SC MLS Listings Data For 29403 Zip Code Total Listings: 162 Average Price: $1,444,724 Highest Listing Price: $5,600,000 Average Days On Market: 145 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 sixty-two listings on the local MLS for sale with an average price point of $1,444,724, the max being $5,600,000 and the lowest priced house $10,000 to purchase in the 29403 zip code. Homes in the Charleston SC 29403 have an average house size of 2,191 sq ft and the average days on the market in zip code 29403 is 145 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 Sort by sqft: smaller to bigger Sort by sqft: bigger to smaller Loading...