Claussen House, also known as the Howard-Harllee-Claussen House, is a historic plantation house located at Florence, Florence County, South Carolina.

It was built about 1830, and is a raised cottage with early-19th century Greek Revival architecture and late-19th century Italianate style alterations and additions.

Also on the property are a contributing smoke house, gardener's cottage, hothouse/greenhouse, chicken coop/outhouse, and carriage shed.

[2][3] It was listed on the National Register of Historic Places in 2001.

This article about a property in Florence County, South Carolina on the National Register of Historic Places is a stub.