In Smithfield Plains, the median house sale price is $566,500 based on 88 houses sold in the past 12 months. The median unit sale price is $210,000 based on 5 units sold in the past 12 months. Over the last 12 months, Houses in Smithfield Plains have seen a 14.64% increase in median value, while Units have seen a 8.39% increase. There are currently 9 properties listed for sale in Smithfield plains, and 109 properties properties have sold in the past 12 months. Learn more about Smithfield plains