The Anderson House was built between 1902 and 1905 in Dupont Circle which is one of the most fashionable neighborhoods during that time. It was designed to be the winter home of American Diplomat, Larz Anderson III and his wife, Isabel who was an author and Red Cross volunteer. The mansion has 50 rooms, high ceilings and diverse interiors. The mansion has especially carved wood walls and gilded papier-mâché ceilings. It has iron staircases and marble floors which shows a combination of English and Italian architectural styles.

Since 1938, the house has been the headquarters of the Society of Cincinnati. It has been fully equipped with electricity, telephone lines and elevators. The society renovated the house and converted many spaces in mansion. The servant’s quarters was turned into offices. The billiard room was renovated into a viewing gallery. The gardens have been renovated as well in which they added a reflecting pool. The largest renovation of all was the renovation of the basement which was turned into a modern research library. The Anderson House is listed in National Register of Historic Places.