Union Electric Administration Building-Lakeside, also known as Willmore Lodge and Egan Lodge, is a historic administration building and retreat overlooking Lake of the Ozarks and located near Lakeside, Miller County, Missouri.

It was built in 1930 by Union Electric Company during the Bagnell Dam project.

It is a one- to two-story, V-shaped Adirondack rustic style log building.

It has a stone veneer foundation and an intersecting gable, cedar shake roof.

[1][2] This article about a property in Miller County, Missouri on the National Register of Historic Places is a stub.