The Mountainside Middle School area had 16 new homes for sale during the week of Friday, July 31 to Thursday, August 6, including 7 single family homes for sale with an average list price of $2,279,421.43, 2 townhouses for sale with an average list price of $486,000, and 7 condos for sale with an average list price of $392,314.14. For anyone looking for a brand new home, there is 1 new construction home for sale.