Hazel Green, Grant County, Wisconsin Land for Sale. Looking for rural homes and land for sale in Hazel Green, Grant County, Wisconsin? LandWatch.com has thousands of rural properties in Hazel Green, Grant County, Wisconsin, including hunting & fishing properties, cabins, Land for sale and land auctions. Choose from small acreage lots to massive 500+ acre estates. You can also find Hazel Green, Grant County, Wisconsin real estate agents who specialize in land and rural retreats. Sign up for our Hazel Green, Grant County, Wisconsin email alerts and never miss out on a new listing again!