Edifício da Sociedade Beneficente União Fraterna, Heritage architectural structure in Barra Funda District, São Paulo, Brazil.

The Edifício da Sociedade Beneficente União Fraterna is a two-storey building at the corner of Guaicurus and Faustolo streets, completed in 1934 in a late eclectic style. It has brick masonry walls, clay roof tiles, wooden side doors and front doors of corrugated iron, all original. The exterior was preserved, though the paint is deteriorated by graffiti and broken glass.

The structure resulted from merging two mutual aid organizations in 1925, which came together to serve the growing Italian immigrant population. Construction took place between 1932 and 1934 under the design of three architects, marking a pivotal moment in the community's institutional development.

The name União Fraterna was adopted in 1925, when the Sociedade Ítalo Brasileira de Mútuo Socorro (1907) merged with the Mútuo Socorro Centro Operário (1922). The society still runs craft, physical activity and plastic arts courses for Lapa's elderly residents, and its traditional bailes for older members continue in the same hall.

The building currently operates as a commercial and community services center with programs focused on elderly care and neighborhood events. Access to certain areas may be limited due to ongoing activities, so it is best to check availability before planning a visit.

The upper-floor hall hosted the 2008 film Chega de Saudade, directed by Laís Bodanzky, with Tônia Carrero, Betty Faria, Cássia Kiss and Paulo Vilhena. Its rentable main hall still hosts the traditional dances for elderly members, keeping the room's original function alive.