Located in Hahnville on La. 18 (River Road). Built in the 1790s, this French Colonial raised cottage is of West Indies bousillage construction. Owners included LaBranche, Fortier, and Gaillaire, with the Keller family ownership since 1885. (Note: A National Historic Landmark and is listed on National Register of Historic Places.) (Erected by St. Charles Parish Police Jury and St. Charles Bicentennial Committee in 1975 in cooperation with Louisiana Tourist Division of Department of Commerce.)