The Columbia County Courthouse in Appling, Georgia is a building from 1812 with extensive additions made to the structure in 1856. It was listed on the National Register of Historic Places in 1980.It has been asserted that "the courthouse is by far the most Interesting building" in the small community of Appling.It is a "carpenter style" two-story building with Italianate brackets at its eaves. John Trowbridge is identified as its architect/builder.As of 1980, the courthouse's condition was identified as "good", it was in use by the county, and there had been plans by the county government to restore the building.