The congregation was founded in 1819, moved into the Washington Street Christian Meetinghouse in 1832, and called its first minister in 1840. The Reverend Jordinn Nelson Long is its currently serving minister, and the Society President is Lawrence DeSalvatore. UUSF is a member congregation of the Boston-based Unitarian Universalist Association, and a designated GLBTQA Welcoming Congregation, a UUA Honor Congregation, and a part of the Green Sanctuary movement. Services are held in the neo-Gothic sanctuary at 10:30 a.m. from September through mid-June each year. The church was added to the National Register of Historic Places in 1996.
