Parish · Walnut Creek, California · Diocese of Oakland
St. Mary Parish is a Catholic parish in Walnut Creek, part of the Diocese of Oakland.
2051 Mt. Diablo Blvd.
Walnut Creek, California
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Listed in the Diocese of Oakland's directory · location verified October 2026
San Salvador (Colton) — 0.5 mi · St. Anne Parish (Walnut Creek) — 1.5 mi · St. John Vianney Parish (Walnut Creek) — 1.9 mi