Land for Sale in Union County, New Jersey up to 1 Acres

Land for sale in Union County, New Jersey, recently totaled around $19 million and around 8,000 acres. Union County ranks 19th in the Garden State based on the total acres of land for sale among all the counties in the Garden State. Roselle Park had the most land for sale. Union County is New Jersey's 20th largest county (105 square miles). It's located in the North New Jersey region of the state.