Downtown Orlando Investment Opportunity!!! 16 unit 2 story apartment complex on South St along with a 2 unit duplex on Calhoun Pl is now available for Sale. The Columns Apartment building has been owned by the same family since 1983. The Calhoun duplex has also been owned by the same family since 1990. The Columns resides on .68 acres and the attached duplex resides on .28 acres. Both are zoned R-3B/T/AN.