Local banker Lloyd G. Johnson and his wife Katherine built this house as a residence for their family in 1919-1920. the house, designed by noted architect Atlee B. Ayres, combines informal elements of the Mediterranean style with classical detailing and a formal, symmetrical plan. San Marcos Masonic Lodge No. 342 bought the house in 1937. It served as a Lodge building until 1990, when it was purchased for use again as a private residence. Recorded Texas Historic Landmark - 1982