Earliest records indicate that the pioneering Sosa family constructed an adobe home to reflect the life of a wealthy Tucson family in the 1880s, known today as the Sosa-Carrillo Fremont House Museum. In 1878 Manuela Sosa sold the property to Jesus Suarez de Carrillo, who completed construction of the house in 1880. Over the past 150 years the house has become a notable attraction in Tucson due to the historical portrait the home paints of life in 19th century Southern Arizona. In an attempt to bring historical Tucson into modern times, the Arizona Historical Society has fully restored the Sosa-Carrillo with period furniture from the 1880s and features various exhibits detailing life in Tucson during the 1800s.

Native Americans, Spanish, Mexican, and Anglo-Americans have continually settled the Tucson area for over 12,000 years, creating a diverse background of cultural influences. The Sosa-Carrillo Fremont House Museum serves as a window into the city’s Mexican influences. There are countless sites around Tucson representative of the different cultures that have influenced the area; however, none are quite like the Sosa-Carrillo due to the age of the existing structure and the attention to historical detail and accuracy paid by restoration officials. Tucson is located in the Sonoran Desert and five mountain ranges surround the city that house this historical home - the Tucson, Santa Catalina, Rincon, Santa Rita, and Tortolita. The Sosa-Carrillo Fremont House Museum has recently fallen on difficult times and is currently closed to the public. It is not currently known when the museum will re-open to the public.