The previous residence, now known as the Historic Governor's Mansion, served from 1905 to 1976. It is located at 300 E. 21st Street in Cheyenne. The house was listed on the National Register of Historic Places during 1969 as Governor's Mansion.
It is operated by the state as a historic house museum known as the Historic Governors’ Mansion State Historic Site. The mansion is open daily during summertime, and from Wednesday through Saturday during the remainder of the year. Rooms have been decorated to represent the 1905, 1937, 1955 and 1960s eras. The Governor resides today at 5001 Central, however photos are not allowed as this is a family home. The Historic Mansion is also a contributing building in the Rainsford Historic District.