The extraordinary form Mass of Pope Pius V (1962 edition), a.k.a. the Tridentine Mass, is offered at the following times and locations in the Archdiocese of San Francisco:
- First Friday of each month, 7:00 p.m. St. Francis of Assisi Church, 1425 Bay Rd. at Glen Way in East Palo Alto. For more information, call (650) 322-2152. Father Lawrence Goode, pastor, is celebrant.
- Sundays, 12:15 p.m. Holy Rosary Chapel at St. Vincent School for Boys in San Rafael. Father William Young, retired, presides. For more information, call St. Isabella Parish at (415) 479-1560.
- First Sunday of each month, 5:30 p.m. Mater Dolorosa Church, 307 Willow Ave, South San Francisco. Father William Young, retired, presides. For more information, call Mater Dolorosa Parish at (650) 583-4131.
- Second Sunday of each month, 5:30 p.m. St. Finn Barr Church, 415 Edna St, San Francisco. Father William Young, retired, presides. For more information, call St. Finn Barr Parish at 415-333-3627.
