Church of St. Joseph, Romanesque Revival church in Los Banos, United States.

The Church of St. Joseph is a 1923 Romanesque Revival church at 1109 K Street in Los Banos, designed by San Francisco architect Charles Fantoni. Rounded arches and vaults appear on both the exterior and the interior, and a low-pitched roof sits atop the apse. The building no longer serves as a church and is used by the Los Banos Arts Council.

A San Francisco architect designed this building in 1923, helping shape early 1900s Los Banos. It remains one of only three surviving works by this designer across the entire state.

The building no longer serves as a church: it is used by the Los Banos Arts Council, which occupies the former nave and apse. The name St. Joseph refers to the parish for which it was built in 1923. Visitors can see the rounded arches and vaults that run through both the interior and the exterior.

The building sits in downtown Los Banos and is easily walkable from nearby parking areas. A local arts council currently operates from the site, so check ahead to confirm it is open for visitors.

Charles Fantoni, the San Francisco architect who designed the church, has only three surviving designs: this 1923 building, Saints Peter and Paul Church in San Francisco, and Our Lady Help of Christians Church in Watsonville. The building was added to the National Register on July 8, 2004, and is now used by the Los Banos Arts Council.