This small community is surrounded on three sides by Menomonee Falls. Several of this region’s largest quarries are in Lannon. Sussex and Lisbon to the southwest also have large quarries. There is a very small inventory of Lannon homes for sale at any given time. It’s only 2.5 square miles and a sizable percentage of its residents live in Lannon Estates, a community of mobile and manufactured homes. Basically a bedroom community, residents have access to shopping, dining and entertainment in Menomonee Falls. Lannon is in the Hamilton School District.