Until 2012, the Grand Lodge's headquarters and museum were located in Worthington, Ohio. The Worthington building was built in 1955 and adjoined the lodge hall built in 1820 by New England Lodge No. 4. The 1820 building is said to be the oldest Masonic lodge hall west of the Appalachian Mountains. In 2012, the Grand Lodge moved its headquarters and museum to the campus of the Ohio Masonic Home in Springfield.