The Evergreen Ridge Stock Farm Historic District, also known as the Maasdam Farm, Massdam and Wheeler, and Glen and June German Farm, is an agricultural historic district located on the south side of Fairfield, Iowa, United States.

It was listed on the National Register of Historic Places in 2007.

[2] The significance of the district is attributed to its historic use as a livestock farm.

Maasdam, who imported and bred award-winning Belgian, Percheron and other draft horses that were used for farming.

This article about a property in Jefferson County, Iowa on the National Register of Historic Places is a stub.