First Parish Unitarian Universalist of Arlington

First Parish Church in Arlington, Massachusetts is a Unitarian-Universalist congregation, which was founded in 1678 as First Parish in West Cambridge. It merged with the Arlington Universalist Congregation in 1962. The Highrock Church building originally housed the Universalist church in Arlington, one of the congregations joined in 1961 with the formation of the Unitarian Universalist Association, with the Unitarian congregation at the corner of Pleasant and Massachusetts Avenue.