Short answers, pulled from the story.
The year 1838 marked the construction of a simple pattern-book cottage on Alexander Street in Princeton. This structure originally stood where Stuart Hall of the Princeton Theological Seminary was built that same year.
Elsa Einstein purchased the home from Mary Clark Marden on the 24th of July 1935. The deed recorded by the Mercer County Clerk's Office appeared on the 1st of August 1935.
Albert Einstein reportedly requested that this house not be made a museum. Private Residence signs now stand strategically around the house while the Institute owns it but keeps it closed to public entry.
Albert Einstein lived there with three women until his death in 1955. His sister Maja resided within the walls alongside step-daughter Margot Einstein-Marianoff and secretary Helen Dukas.
The building measures 3,674 square feet with only one bedroom and two baths. It sits on a half-acre parcel extending 446 feet from the street.