Agosto Alegado Ancestral House is a Registered Property, Municipality of Glan, Sarangani located at Glan, Sarangani, Region XII.
In 1927, this house was built by Emilio A. Alegado as his first residence in Glan copying intricate wood calados and ventanillas of Carcar, Cebu where most of the Colonos of Glan came from. The building was temporarily occupied by the Japanese Imperial army during Worl War II.