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Welcome to the Diocese of Oakland

Serving Alameda and Contra Costa counties in the San Francisco Bay Area.

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Celebrate the Jubilee of Marriage Saturday, July 26, 2025

Upcoming Events

Feb 11 @ 6:30 pm - 7:30 pm

Anniversary of the First Mass of Assumption Parish

To celebrate, we have planned a year-long series of events, beginning with a special Anniversary Mass on Wednesday, February 11, 2026, at 6 p.m., commemorating the very first Mass celebrated…

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Feb 11 @ 7:00 pm - 8:00 pm

That Man is You! at St. John Vianney, Walnut Creek

True to its stated goals, this transformation is most profoundly seen in marriage and family life. That Man is You! honestly addresses the pressures and temptations that men face in…

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Feb 12 @ 7:00 pm - 8:00 pm

Padre Pio Capuchin Chess Academy

Interested in learning how to play chess? The Padre Pio Capuchin Chess Academy is a chess club that is open to anyone who wants to learn about the game of…

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Support Our Work

We are fortunate to be able to do so much for so many people and their needs in our Diocese. No one person, parish, or organization alone can do the work that all of us can do together.