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 

Thursdays: 6:00 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



Ash Wednesday - February 26th

Mass Schedule:

6:30 AM and 8:00 AM Novus Ordo (English)

7:00 PM High Latin Mass


Ashes will only be given out after the Masses. Ash Wednesday is not a Holy Day of Obligation.


Stations of the Cross - Every Friday of Lent
We will have Stations of the Cross inside the church at 6:00 PM every Friday of Lent followed by Mass at 7:00 PM starting on February 28th. Confessions will be heard at 6:30 PM.

2020 San Secondo Calendars

Our 2020 Calendars are now available! Pick one up from the Parish Office during office hours. Please one per family. Thank you!

Year End Tax Letters are now Available

If you would like to receive your tax letter from the church please call the Parish Office at 909-390-0011 to request one. Please also provide a current mailing address.

2020 DDF Appeal Collection - February 29th - March 1st

     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. 
     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.