He served as a delegate to the 1902, 1906 and 1912 Democratic State conventions. After serving as the secretary of the executive department of the state of Georgia from 1910 to 1912, Larsen moved to Dublin, Georgia in January 1912. He began practicing law again and was involved in farming.
Larsen was a delegate at Democratic State conventions in 1902, 1906, and 1912. From 1910 to 1912, he held the position of secretary for Georgia's executive department before moving to Dublin, Georgia in January 1912. He resumed his legal practice and engaged in farming.