Real Estate Listings For Sale 29812 zip code SC MLS Listings Data: 29812Total Listings:13Average Price:$90,292Highest Listing Price:$195,000Average Days On Market:183 Homes For Sale 29812 zip code Barnwell SC. MLS real estate listings for sale in SC by price, street, age, subdivision, neighborhood, list date, bedrooms & more SC zip code 29812. Currently, Barnwell SC 29812 has a total of thirteen listings on the local MLS for sale with an average price point of $$90,292, the max being $$195,000 and the lowest priced house $$15,400 to purchase in the 29812 zip code. Homes in the Barnwell SC 29812 have an average house size of 1,347 sq ft and the average days on the market in zip code 29812 is 183 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 activeSort by sqft: smaller to biggerSort by sqft: bigger to smaller Filters Saving Subscribe Unsubscribe Switch to Grid View Switch to Map View Loading...