Our Administrative Office Building is located at 231 West Commerce Street, San Antonio, Texas, 78205. Our office hours are Monday through Friday from 9AM to 5PM and we are closed from 12PM to 1PM for lunch. The cathedral is open 9AM to 5PM Monday through Friday, 9AM to 6PM on Saturday and 7AM to 6:30PM on Sunday. San Fernando Cathedral is located at 115 Main Plaza, San Antonio, Texas, 78205. Visit today!