Château de Pompignan the Gallo-Roman era, whose villa was sited on the edge of the hillside about a kilometer south of the present chateau. There is evidence to suggest that a ninth-century feudal manor house existed on or close to the present chateau site. The modern village grew up at the foot of the chateau in the time of the Lefrancs, and its layout and facilities were shaped by the needs and gifts of the owners. The chateau was built on the foundations of the existing manor house in the emerging neo-classical style, similar in some respects to the Petit Trianon at Versailles
Le Petit Trianon design for Le Petit Trianon was drawn from classical French architectural motifs popular in America at the end of the 19th century. It is also the only example of "V" rustic redwood construction remaining in the area. The name Le Petite Trianon stems from its similarities to the architecture of "Le Grand Trianon," built for Louis XIV of France. Similar detail to this French precedent can be seen in Le Petit Trianon's columns, pilasters, windows and wood window shutters. In 1909, the mansion was sold to Harriet Pullman Carolon, daughter of George Pullman, inventor of the Pullman sleeping car. Carolon