He designed several prominent buildings including a Mississippi Landmark and properties on the National Register of Historic Places.
[5] In his early career he worked briefly in Minneapolis and St. Paul, Minnesota, before established an architecture firm around 1885 in Omaha, Nebraska.
[8] His 1917 plans for designing a "humane" county jail in Dallas (known as Tom Green County Jail), included a pipe organ for music; but the state commissioners bailed on raising the funds, and his fundraising efforts stopped due to the activities around World War I.
[3][9] He was involved in overseeing the removal of the clock tower from the Dallas County Courthouse in 1919.
The Southern Methodist University (SMU) libraries houses The George W. Cook Dallas/Texas Image Collection, which contains a 1900s photograph of Overbeck's office and its staff.