Holy Family is a private, independent traditionalist Catholic chapel located behind a guarded gate at 30188 W. Mulholland Highway, Agoura Hills, California, United States. It is not affiliated with the Roman Catholic Archdiocese of Los Angeles. Its 70 or so members are traditional Catholics, including some that hold a sedevacantism position. They reject many or all of the reforms introduced by the Second Vatican Council and worship according to earlier Roman Catholic rites including the Tridentine Mass.