In Smithfield Plains, the median house sale price is $434,999 based on 91 houses sold in the past 12 months. The median unit sale price is $210,000 based on 2 units sold in the past 12 months. Over the last 12 months, Houses in Smithfield Plains have seen a 21.66% increase in median value, while Units have seen a 25.79% increase. There are currently 6 properties listed for sale in Smithfield plains, and 112 properties properties have sold in the past 12 months. Learn more about Smithfield plains