San Secondo d'Asti Roman Catholic Church

250 N. Turner Avenue, Guasti (Ontario), CA 91761

Parish Office: 909.390.0011    

Fax Number: 909.390.9919


Parish Office Hours

Monday - Friday 

8:00 AM - 3:00 PM


9:00 AM - 3:00 PM

Closed Sunday

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6:30 AM (Tridentine Latin Mass) 
5:00 PM (Vigil)

7:30 AM

9:00 AM

10:45 AM (Tridentine Latin Mass)

12:30 PM

5:00 PM

Weekday Mass (M - F): 
6:30 AM 
8:00 AM
7:00 PM 

Tridentine Latin Mass Schedule:
Every Saturday: 6:30 AM

Every Sunday: 10:45 AM

The first two Sundays of the month are High Latin Masses. The last Sundays are Low Latin Masses.


6:00 AM - 6:30 AM 
4:00 PM - 5:00 PM

7:00 AM - 7:30 AM

8:30 AM - 9:00 AM

10:15 AM - 10:45 AM

12:00 PM - 12:30 PM

4:30 PM - 5:00 PM

Weekdays (M - F):
6:00 AM - 6:30 AM
7:30 AM - 8:00 AM
6:30 PM - 7:00 PM 

All confessions are heard in the back of the church in the confessionals. If you would like to make an appointment for a confession, please call the Parish Office.

Welcome to Our Parish


Fr. Stanley Onwuegbule



Parish Office Closed January 20th

The Parish Office will be closed on Monday, January 20th in observance of the Martin Luther King, Jr. holiday. We will reopen on Tuesday, January 21st.

2020 San Secondo Calendars

Our 2020 Calendars are now available in the back of the church or pick one up from the Parish Office during office hours. Please one per family. Thank you!

2020 DDF Appeal Collection - February 1st & 2nd

     Thank you to everyone who participated in our 2019 DDF! Due to your sacrifice and support we were not only able to reach our goal, but surpass it! The extra funds raised were donated directly back to our Parish and were used to repave part of our parking lot. 
     Once again, we are asking for your support in reaching our 2020 goal of $58,500. Each and every person’s gift is important, regardless of size. Please pray on how much you and your family can contribute. God bless you for your continued support of our Parish!

2020 Collection Envelopes

The new 2020 collection envelopes are ready for pick up in the Parish Hall after all the Sunday Masses or during Parish Office hours. The envelopes are arranged by numerical order. If you do not remember your number an alphabetical list by last name will be on each table. If you do not use your collection envelopes please contact the Parish Office so that we can assign your number to someone else. You can still remain registered by last name even if you do not have an envelope number.