The Mountainside Middle School area had 22 sales during the week of Tuesday, June 9 to Monday, June 15, including including 13 single family homes for sale with an average list price of $1,941,846.08, 3 townhouses for sale with an average list price of $660,833.33, 5 condos for sale with an average list price of $392,199.60, and 1 lot for sale with a list price of $489,500.