Thomas House. Built in 1827 by John Mitchell and Isaac Lambert for Dr. Pierre Thomas, who acquired the site from the city. The house was remodeled and a new kitchen constructed for Dr. Thomas by Joseph Desjardin in 1844. The Federal-style townhouse remained in the Thomas family until Jean Schweitzer purchased it in 1867 and operated a book and stationery shop here. The cast iron balcony was likely added by Schweitzer.