which building is the declaration of independence in
Declaration House. Jefferson penned the Declaration of Independence on this site in 1776. The Declaration House, located on the southwest corner of 7th and Market Streets, was reconstructed in 1975. The house was originally built in 1775 by Philadelphia bricklayer Jacob Graff, Jr. During the summer of 1776, Thomas Jefferson, a 33-year-old delegate from Virginia to the Continental Congress, rented the two second-floor rooms. There he drafted the Declaration of Independence.