In Smithfield Plains, the median house sale price is $570,000 based on 93 houses sold in the past 12 months. The median unit sale price is $210,000 based on 8 units sold in the past 12 months. Over the last 12 months, Houses in Smithfield Plains have seen a 14.20% increase in median value, while Units have seen a 6.20% increase. There are currently 6 properties listed for sale in Smithfield plains, and 120 properties properties have sold in the past 12 months. Learn more about Smithfield plains