St Denis Catholic Community
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Founded in 1971 by Fr Donald Potthoff, the St Denis Catholic Community is Diamond Bar's only Catholic parish.
The community has a large and diverse congregation from L.A., Orange, and San Bernardino counties.
Mass, Tuesday at 8:00 AM (6/23/2026)
This Mass is offered for:
Helen R. Samson (RIP)
Glena Cardenas (INT)
Manuel Luis Quizon (INT)
Denise B. Alejo (RIP)
Kayla Khouzam (RIP)
To support St. Denis and our mission, please go to:
StDenis.org/giving
Permission to podcast / stream the music in this service obtained from ONE LICENSE with license . All rights reserved.
Mass, Monday at 8:00 AM (6/22/2026)
Memorial of Saint John Fisher, Bishop and Saint Thomas More, Martyrs
This Mass is offered for:
Joshua San Diego (INT)
Gloria San Diego Mateo (RIP)
Nancy Moody (RIP)
Remedios Barbilla (INT)
Enrique Parra & Amalia Woo (INT)
To support St. Denis and our mission, please go to:
StDenis.org/giving
Permission to podcast / stream the music in this service obtained from ONE LICENSE with license . All rights reserved.
Mass, Sunday at 5:30 PM (6/21/2026)
Twelfth Sunday in Ordinary Time
This Mass is offered for:
Raul Domingo Reyes (RIP)
Lawrence Schneider (RIP)
Primitiva and Ireneo Ponteres Sr. (RIP)
Romeo Ponteres (RIP)
L.H. Sundiata Keita (RIP)
To support St. Denis and our mission, please go to:
StDenis.org/giving
Permission to podcast / stream the music in this service obtained from ONE LICENSE with license . All rights reserved.
Mass, Sunday at 1:00 PM (6/21/2026)
Twelfth Sunday in Ordinary Time
Mass for Families with Children
This Mass is offered for:
All Deceased Fathers (INT)
Nick & Fatima Genuino (INT)
Buddy Tarroza (INT)
Christopher Tarroza (INT)
Gerardo Lorenzo (INT)
To support St. Denis and our mission, please go to:
StDenis.org/giving
Permission to podcast / stream the music in this service obtained from ONE LICENSE with license . All rights reserved.
This Mass is offered for:
Edmundo Perfecto (RIP)
Emma Perfecto (RIP)
Carmencita Castillo Uy (RIP)
Amparo Nartates (RIP)
Virginia Pina (INT)
Mass, Saturday at 8:00 AM (6/20/2026)
Saturday of the Eleventh Week in Ordinary Time
This Mass is offered for:
Judith Aguilera (INT)
Angel Camu Jr (RIP)
Mike Valencia (INT)
Joe Fregoso (INT)
Bob Bresnan (RIP)
To support St. Denis and our mission, please go to:
StDenis.org/giving
Permission to podcast / stream the music in this service obtained from ONE LICENSE with license . All rights reserved.
Mass and Holy Hour, Friday at 7:00 PM (6/19/2026)
Friday of the Eleventh Week in Ordinary Time
This Mass is offered for:
Arnel & Riza Flores (INT)
Arif Khan (INT)
Jan Jeri Havana (INT)
Emilia Sinico (RIP)
Amparo Nartates (RIP)
To support St. Denis and our mission, please go to:
StDenis.org/giving
Permission to podcast / stream the music in this service obtained from ONE LICENSE with license . All rights reserved.
Mass, Wednesday at 8:00 AM (6/17/2026)
Wednesday of the Eleventh Week in Ordinary Time
This Mass is offered for:
Samatha Donahue (INT)
Rosario Arvisu (RIP)
John Lopez (RIP)
Henry & John Elorriaga (RIP)
Madelyn Holguin (RIP)
To support St. Denis and our mission, please go to:
StDenis.org/giving
Permission to podcast / stream the music in this service obtained from ONE LICENSE with license . All rights reserved.
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Website
Address
2151 S Diamond Bar Boulevard
Diamond Bar, CA
91765
Opening Hours
| Monday | 8am - 9pm |
| Tuesday | 8am - 9pm |
| Wednesday | 8am - 9pm |
| Thursday | 8am - 9pm |
| Friday | 8am - 9pm |
| Saturday | 8am - 8pm |
| Sunday | 7:30am - 7:30pm |