Casarão de Nhonhô Magalhães, Elite mansion in Higienópolis, São Paulo, Brazil

Casarão de Nhonhô Magalhães is a mansion at Avenida Higienópolis 758, on the corner with Rua Albuquerque Lins, in Higienópolis, São Paulo. Built from 1927 to 1939 by Siciliano & Silva, it has about forty rooms over five floors on a 7,000 m² wooded plot, with a 2,500 m² footprint. Its French-inspired facade has mansard roofs, paired fluted Ionic columns and a balustraded terrace; the main gate bears the Magalhães monogram.

The residence was commissioned in 1927 by Carlos Leôncio Magalhães but he died in 1931 before its completion. His widow and children became the first residents and experienced the property as it was finished according to the original design.

The mansion served as a family residence that embodied the lifestyle and values of São Paulo's upper class in the early 1900s. Its private chapel and theater reveal the cultural interests and artistic pursuits that were important to the elite families of that era.

The mansion is closed to visitors while restoration is completed, so it cannot be entered at present. Its exterior can be seen from the corner of Avenida Higienópolis and Rua Albuquerque Lins, at number 758, in Higienópolis. The building has been owned by Shopping Pátio Higienópolis since 2005.

Nhonhô Magalhães had the house built with rooms for musical performances, poetry recitals and soirées, but he died in 1931 before the 1939 completion. Urban legends claim the house is cursed after the deaths of two of his children, one said to have drowned in a bathtub and another hanged from the chandelier of the main hall.