Real Estate Listings For Sale 29420 zip code SC MLS Listings Data: 29420Total Listings:92Average Price:$374,555Highest Listing Price:$1,250,000Average Days On Market:89 Homes For Sale 29420 zip code North Charleston SC. MLS real estate listings for sale in SC by price, street, age, subdivision, neighborhood, list date, bedrooms & more SC zip code 29420. Currently, North Charleston SC 29420 has a total of ninety-two listings on the local MLS for sale with an average price point of $$374,555, the max being $$1,250,000 and the lowest priced house $$113,880 to purchase in the 29420 zip code. Homes in the North Charleston SC 29420 have an average house size of 1,823 sq ft and the average days on the market in zip code 29420 is 89 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 Loading...