Real Estate Listings For Sale 29678 zip code SC MLS Listings Data: 29678Total Listings:88Average Price:$380,220Highest Listing Price:$995,000Average Days On Market:114 Homes For Sale 29678 zip code Seneca SC. MLS real estate listings for sale in SC by price, street, age, subdivision, neighborhood, list date, bedrooms & more SC zip code 29678. Currently, Seneca SC 29678 has a total of eighty-eight listings on the local MLS for sale with an average price point of $$380,220, the max being $$995,000 and the lowest priced house $$10,000 to purchase in the 29678 zip code. Homes in the Seneca SC 29678 have an average house size of 2,341 sq ft and the average days on the market in zip code 29678 is 114 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...