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