Oak Grove Heights is an unincorporated community in Greene County, Missouri, United States. It is located on Route 125 about five miles northwest of Rogersville. For many years, it was a residential community, but businesses have begun to move into the community. The community was originally formed around the Seventh-Day Adventist church that was established there at the turn of the 20th century. The old time locals referred to the community as "advent town" for many years.