The First Unitarian Church in Berkeley, California is a former church building that was built in 1898. It was designed by Albert C. Schweinfurth, who made unconventional use of Shingle Style architecture, usually applied to homes, in designing a church. It was also highly unusual for a church building in several other ways, including the use of industrial-style metal sash windows, sections of redwood tree trunks as pillars, the strong horizontal emphasis, and a semicircular apse with a conical roof.