St Denis Catholic Community

St Denis Catholic Community 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.

06/23/2026

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.

06/22/2026

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.

06/22/2026

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.

06/21/2026

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.

06/20/2026

This Mass is offered for:
Edmundo Perfecto (RIP)
Emma Perfecto (RIP)
Carmencita Castillo Uy (RIP)
Amparo Nartates (RIP)
Virginia Pina (INT)

06/20/2026

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.

06/20/2026

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.

06/17/2026

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.

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

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