Seneca SC New construction Houses for sale in zip code 29678 MLS Listings Data: 29678Total Listings:54Average Price:$418,157Highest Listing Price:$818,900Average Days On Market:81There are 54 new homes for sale on MLS in 29678 zip code Seneca SC. Newly built houses have an average sales price of $418,157 in %subdivision% Seneca SC, ranging in price from $239,900 to $818,900. The average sq ft spec home & new construction contract build is approximately 2,489 square feet for a just built house in 29678 zip code Seneca SC. The largest property for sale is 3,599 sqft and the smallest 1,199 sqft. View property listings for sale by price, street, subdivision, age, property type, location, features, size, listing date, and time on MLS in 29678 zip is an average of eighty-one days on the market. 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...