[2][4] In 1971, the Rio Grande do Sul State Government declared the property to be of public utility and expropriated it.

In 1984 it underwent restoration by IPHAN, which installed its regional headquarters in the building and listed it as a heritage site in 1990.

Originally, the interior was luxurious with mural paintings, stained glass windows, wood carvings and other sophisticated adornments.

It belongs to a limited group of buildings of a similar size that remain on the area, which used to be an elite residential neighborhood.

[2][5][6] In 2003, it underwent a preservation renovation sponsored by IPHAN and the Southern Regional Office of the Ministry of Culture (MINc).